(SANITIZED)UNCLASSIFIED PAPERS ON INFECTIOUS DISEASE RESEARCH(SANITIZED)

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CIA-RDP80T00246A003000320001-2
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February 20, 1958
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Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Next 2 Page(s) In Document Denied Q Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 FOLIA BIOLOGICA Effect of Chlortetracycline on the Activity of a-amylase M. BURGER, J. ROKOS and P. PROCH~ZKA Institute of Biology of the Czechoslovak Academy of Science, Department of Microbiology, Praha On fermentation of chlortetracycline by Actinomyces aureofaciens the fer- mentation medium usually contains a source of starch (Van Dyck, De Sommer 1952) ~~hich splits up into lower derivatives. The extent of starch hydrolysis and the possibility of using the sugars produced depend on the activity of amylolytic enzymes. It might be expected that with the accumulation of chlortetracycline in the fermen- tation medium, particularly at higher concentrations of this antibiotic, the activity of enzymes hydrolysing starch would be altered (Arora and Krishna Murti 1952). Even though starchy raw materials (soya bean meal etc. ), contained in the fermen- tation medium, probably have more functions than being the mere source of carbon, the process must be conducted, for economic reasons, so as to make the best use of the starch itself. In order to study the effect of chlortetracycline on amylolytic enzymes, an enzyme preparation was used from the mould Aspergillus oryzae: this is known, under the experimental conditions in question, to hydrolyse starch exclusively by the action of a-amylase (Burger and Beran 1956). Higher concentrations of chlortetracycline were observed to have a strong inhibitory effect on this enzyme during the dextri- nation of starch. The purpose of the present work was to study the conditions under which inhibition occurs and to try to find a method of preventing it, and, on the basis of the inform- ation so obtained, to study the activity of amylase during the fermentation of chlortetracycline by the strain of Actinomyces aureofaciens used commercially. Analytical methods. The activity of a-amylase was determined using the author's modification of the Wohlgemuth method (Belozersky and Proskuryakof 1951). ti'isual comparison of the starch iodine complex with the standard solution was replaced by determination on a Pulfrich colorimeter. The red filter S 66, through which the iodine starch complex showed the highest absorption, proved to be the best from among the set of standard filters available. The time taken for the dextrination of starch, required for the calculation of the Wohlgemuth amylolytic units, was determined by the extrapolation of the final transmission values. The activity of a-amylase is expressed both in units (Belozersky and Prokuryakof 1951) and in percentage transmission in relation to the standard solution. Chemicals used. Soluble starch p. a. (Lachema), chlortetracycline with 50% biological activity (Lederle Lab.) and the other chemicals analytically pure. Method. The enzyme preparation of A. oryzae, which under the given experimental conditions (Burger and Beran 1956), causes dextrinization of starch exclusively by the action of a-amylase, was used for the experiments. A suspension of this preparation in physiological saline was filtered and the filtrate was dialysed for 24 hours at room temperature against a 400 times larger volume of redistilled water, changed three times. The amount of enzyme used was chosen so that dextrination was complete Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 in about 4i~ minutes. The final concentration of starch was 1%. If not stated otherwise, the reaction of the mixture was maintained at pH :i.6 by 0.1 M acetate buffer. Incubation took place at 30? C in a water bath. The concentrations of antibiotic given are in relation to the final amounts of biologicalh~ active chlortetracycline. The pH of the reaction solution was checked after each experiment by an electron pH meter with a glass electrode. The Effect of pH and Bu~ers on the Inhibition of Starch Dextrination It was found that higher concentrations of chlortetracycline have an inhibiting effect on the activity of a-amylase of the mould A. oryzae. The concentration of chlortetracycline at which inhibition appears varies between 8 X 10-' M and 1.2 X 10-3M (fig. 1-3). Inhibition depends on the kind of buffer used and on the pH of the solution. In an acetate buffer at pH 6.0 (fig. 2), chlortetracycline causes inhibition at concentrations higher than 1.2 X 10-3 M. In a phosphate buffer of the same pII, chlortetracycline causes inhibition at a concentration as low as 8 X 10-' M. In a phosphate buffer at pH 7.0 and with the same concentration of antibiotic, inhibition is greater (fig. 1 and 3). Fig. 2. Effect of Concentrations of Chlortetra- cycline on Inhibition of A. oryzae a-amylase in an Acetate Buffer of pH 6.0. x: time in rains., y: transmission in ?~o, pH of solution 6.0, buff- ered by acetate at final concen-tration of 0.1 -I. I: control and 400 erg., II: 600 fig., III: 800 erg., IV: 1000 frg. chlortetracycline in 1 ml. Fig. 1. Effect of Concentrations of Chlortetra- cycline on Inhibition of A. oryzae a-amylase in a Phosphate Buffer of pH 6.0. x: time in rains., y: transmission in %. pH of solution 6.0, buff- ered by phosphate at final concentration of 0.01 M. I: control, II: 400,r~g., III: 600?g., IV: 800 ?g. and 1000 ,rig. chlortetracycline in 1 ml. The inhibiting effect of chlortetracycline on starch dextrination is present in acetate buffer from pH 4.8 upwards (fig. 4). The In/luence of Ca-~' on the Inhibitory Effect of Ch-lortetracycline It is well-known that Ca `+ acts as a stabiliser for a-amylases. We have proved, however, that under our experimental conditions, the inhibition of a-amylase is not Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 caused by the removal of Ca-~- from the solution by chlortetracycline. I~.ven a large excess of Ca+ ~ (tab. 1) did not cause any substantial changes in the inhibiting effect of chlortetracycline. The results and the fact that a dialysed enzyme solution was used in all experiments, prove that the inhibitory effect of chlortetracycline is not caused by the removal of a low molecular stabiliser. o .~o 60 90 Fig. 3. Effect of Concentrations of Chlortetra- cycline on Inhibition of A. oryzae a-amylase in a Phosphate Buffer of pH 7.0. x: time in rains., y: transmission in %, pH of solution 7.0, buff- ered by phosphate at final concentration of 0.01 M. I: control, II: 400 ~~g.,. III: 600 pg.. 800 fig. and 1000'ig. chlortetracycline in 1 ml. 0 ~ 4,5~ 5,0 55 6,0 ' Fig. 4. Effect of pH on Inhibition of A. oryzae n-amylase by Chlortetracycline. x: pH, y: inhibition of A. oryzae a-amylase by chlortetra- cycline. Buffered by acetate at final concentra- tion of 0.1 M. Final concentration of chlortetra- cycline 2 ~ 10-~3M. The F,~ect of some Organic Acids on the Inhibitory Effect of Chlortetracycline Previous experiments had already shown (fig. 1 and 2) that the inhibition of a-amylase, caused by chlortetracycline, depends on the kind of anions present. If the anions of some organic acids, e. g. of citric or oxalic acid in colicentrations of 2 x 10-2 M are present, inhibition disappears completely. The anions of phthalic, benzoic, fumaric and tartaric acids partially reduced inhibition; lactic and propionic Table 1. Effect of Cad ~ on Inhibition of a-amylase by Chlortetracycline buffered by acetate, pH 5.fi, at final concentration 0.1 M I Experiment ~ Final Concentration a-amylase V o. units of Chlortetracycline of CaC 1L l 1.8 x 10-3 M 1.8 x LO-~ M I 0.84 2 1.8 x 10-a M ~ li x 10-3 M ~ 0.74 3 1 8 10_3 M ~ ~ ~ . x i - 0,4;; 4 - L8 x 10_2 M ' 3.30 +; ~ - 6 x 10-' M I 3.50 6 - - ~ 3..50 ~I Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Table 2. Effect of some Organic Acids on Inhibition of a-amylase by Chlortetracycline buffered by acetate pH 5.6, final concentration 0.1 M. Final concentration of sodium salts of acids 2 X 10-2 M, of chlortetracycline 2 X 10_3 M a-amylase units Addition of Sodium salt of added acid - Chlortetra- Chlortetra- 0 I Acid I cycline cycline and acid Oxalic 3.79 3.83 0.28 3.68 Citric 3.82 3.69 0.25 3.28 Phthalic. 3.83 3.83 0.26 2.71 Fumaric 3.83 3.83 0.28 1.54 Benzoic i 3.83 3.83 0.26 1.47 Tartaric 3.79 3.67 0.28 1.44 Propionic. 3.83 3.75 0.23 0.27 Lactic 3.83 3.83 ~ 0.23 0.23 - acids in acetate buffer had no effect whatsoever on inhibition caused by chlortetra- cycline (tab. L). These findings provided a starting point for resolving other problems, particularly as to whether inhibition of the activity of a-amylase by chlortetra- cycline is reversible or irreversible. The addition of citrate (acetate buffer) or acetate (phosphate buffer) to a reaction mixture in which a-amylase has previously been inhibited by chlortetracycline, removes the inhibition (fig. 5 and 6). The rate of starch dextrination after the addition of these acids is the same as when chlortetracycline is not present. The Fig. 5. Effect of Subsequent Addition of Citrate on A. oryzae a-amylase Inhibited by Chlortetra- cycline. x: time in mina., y: transmission in %. pH of solution 6.0, buffered by acetate at final concentration of 0.1 M. I: control, II: 1000 ,~~g. chlortetracycline in 1 ml. in the 45th minute. 1 ml. of Na-citrate (final concentration 2 X x 10-2 M), has been added. III: 1000 fig. chlor- tetracycline in 1 ml., in the 45th minute, 1 ml. of H2O has been added. Fig. 6: Effect of Subsequent Addition of Acetate on A. oryzae a-amylase Inhibited by Chlortetra- cycline. x: time in mina., y :transmission in ?o, pH of solution 6.0, buffered by phosphate at final concentration of 0.01 M. I: control, II: 600'~g. chlortetracycline in 1 ml., in 45th min. 1 ml. Na?acetate (final concentration 2 X 10-1 M) has been added, III: 600 Ng. chlortetracycline in 1 ml, in 45th min. 1 ml. of H2O has been added. Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 removal of inhibition is thus complete. The results given here prove that inhibition of a-amylase by chlortetracycline is reversible. In addition to studies on the bacteriostatic or bactericidal effect of antibiotics, a number of papers have been published dealing with the question of the action of antibiotics on separate enzyme systems both in vivo and in vitro (Agarwala et al. 195'?, Arora et al. 1954, 1955x, b, Brody et al. 1954, Ghatak et al. 1953, Iyer et al. 1953, Jacobson et al. 1954, Loomis 1950, Saz et al. 1954, Zimmerman et al. 1953). It is a characteristic feature of these papers that far higher concentrations of antibio- tics were used than those at which their bacteriostatic and bactericidal properties are already displayed. This very fact would suggest that in these cases the effect of antibiotics ou the enzyme system is non-specific and it is doubtful whether the results obtained can be used to explain changes in enzymatic processes at concentra- tions of the antibiotic which affect the multiplication of the microorganisms. ~~e also used high concentrations of chlortetracycline when studying its effect on the activity of a-amylase in starch dextrination. The concentrations used, however, are of importance in the fermentation of Actinomyces aureofaciens, where the high con- centration of the antibiotic can affect some enzyme systems. Our experiments prove that higher concentrations of chlortetracycline inhibit dextrination by a-amylase of A. oryzae. It is important that this inhibition can easily be removed by some organic acids, which alone, however, do not affect the activity of the enzyme in question. This provides the possibility of studying how a-amylase of Actinomyces aureofaciens is affected during fermentation with the production of chlortetracycline and, in case of inhibition, of measuring the a-amylase content. Van Meter and Oleson (1951) assume that chlortetracycline inhibits some reactions in Kreb's cycle, since citric acid removed inhibition by chlortetracycline in studies on the respiration of rat liver homogenates. The fact that citric and other acids removed the inhibitory effect of chlortetracycline on the amylolytic enzyme system in our experiments too, suggests that chlortetracycline may affect other systems connected with liver respiration. In some cases lower concentrations of antibiotics stimulate enzyme activity while higher concentrations inhibit it (Smith et al. 1949). This may also apply for the action of chlortetracycline on a-amylase. Arora et al. (1952) found that with lower concentrations than those used in our experiments there is activation of the amylo- lytic systems of malt and moulds. It must be stressed, however, that these authors observed the activity of the amylolytic system from the point of view of increasing the reduction rate, and did not exclude the effect of other enzymes, particularly maltase. .5'u~nma~?y The inhibitory effect of chlortetracycline in concentartions of 8 x 10-' M and higher on the dextrination activity of a-amylase of the mould Aspergillus oryzae was demonstrated and the effect of pH, Ca- and some organic acids on this inhibition was studied. Inhibition of a-amylase by chlortetracycline can be removed by citrate, oxalate and other anions of organic acids. The inhibition of a-amylase is reversible. Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Agarvala, S. C., Krishna Murti, C. R., Shrivastava, D. L.: Studies on Enzyme Inhibition in Relation to Drug Action. I. Effect of Certain Antibiotics on Ureas~~. J. Sci. Industr. Res. 11B :165, 1952. A r o r a, K. L., Ii r i s h n a M u r t i, C. R.: Studies on Enzyme Inhibition in Relation to Drug Action, III. Action of CF~rtain Antibiotics on Amylases. J. Sci. Industr. Res. 11B :383, 195'l. A r o r a, K. L., Krishna M u r t i, C. R.: Enzyme Inhibition Studies in Relation to Drug Action. VI. Action of Certain Antibacterial Agents on the Succinic Oxidase System. J. Sci. Industr. Res. 13A :482, 1954. A r o r a, K. L., Krishna M u r t i, C. R.: Studies on Enzyme Inhibition in Relation to Drug Action: VII. Action of Certain Antibacterial Agents on Tryptophanas~~. J. Sci. Industr. Res. 14C : 6, 1955a. A r o r a, K. L., Krishna M u r t i, C. R.: Enzyme Inhibition Studies in Relation to Drug Action: VIII. Action of Certain Antibacterial Agents on the Tricarboxylic Acid Cycle of Vibrio Cholerae. J. Sci. Industr. Res. 14C : 66, 1955b. Brody, T. M., H u r s i t z, R., Bain, J. A.: Magnesium and the Effect of the Tetra- cycline Antibiotics on Oxidative Processes in Mitochondria. Antibiot. Chemother. 4 : 86~i, 1954. Burger, M., B e r a n, K.: O mechanismu ricinku maltasy plisne Aspergillus niger. I. Vliv teploty na aktivaci hydrolysy skrobu plisirovymi enzymatrckymi preparaty. (:hem. listy 50 :133, 1956. Van Dyck, P., D e Sommer, P.: Production and Extraction Methods of Aureomycin. Antibiot. Chemother. 2 : 184, 1952. G h a t a k, S., Krishna M u r t i, C. R.: Enzyme Inhibition Studies i n Relation to Drug Action: IV. Action of Certain Antibiotics on Alkaline Phosphatase. J. Sci. Industr. Res. 1`l 1'lB :160, 1953. 1 y e r, S. N., A r o r a, K. L., Krishna 14I u r t i, C. R,: Studies on Enzyme Inhibi- tion in Relation to Drug Action: V. Effect of Certain Antibiotics on Liver Arginase. J. Sci. Industr. Res. 12B :536, 1953. Jacobson, K. P? D e o d a t a d e A z e v e d o, M.: Action of Antibiotics on a Pepti- dase and on Urease. Compt. Rend. Soc. Biol. 148:199, 1954. Loomis, W. F.: On the Mechanism of Action of Aureomycin. Science 111 : ~i74, 1950, Van Meter, J. C., O 1 e s o n, J. J.: Effect of Aureomycin on the Respiration of Normal Rat Liver Homogenates. Science 113:273, 1951. S a z, A. K., S 1 i e, R. B.: Reversal of Aureomycin Inhibition of Bacterial Cell-free Nitro Reductase by Manganese. J. Biol. Chem. 210:407, 1954. Smith, G. N., W o r r e 1, C. S., Swanson, A. L.: Inhibition of Bacterial Esterases by Chloramphenicol (Chloromycetin). J. Bact. 58:803, 1949. T i m m e r m a n n, H. J., H u m o l l e r, F. L.: Effect of Aureomycin on Choline Oxidas~~ and Other Enzyme SystE ms of Rat Liver. Am. J. Physiol. 175:468, 1953. B e x o a e p c x x ifi, A. II., H p o c x y p >3 x o R, H. H.: HpaxTUVecxoe pyrcoso~icTlro no fN0- xxntxn pacTexn~i. Mocxsa 1951. BJII~IHHIIO XJIOpTOTpaLjI3I{JIIIHa Hc`I aI{TIIBHOCTb a-aMHJIa3bI M. BYPI'EP, II. POIOC a H. 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Y >aTaMMa xa sepxHIIx AblxaTealbxblx IIyTer3 Mopc~oalorg~Iecxge IIaMexexxsl MHxpo6os B cxoxnexxslx He xa6alloRalOTCtI, y Mexxxreaalbxoro mTaMMa 3aMezxbl BbIAaloluxecx xa Teals 6axzepxx oTpocTxg, yTOaIlueHi3x rI o6paaosaHxe xpyralblx Tealeiz (Ta6. I, pxc. 1 x 2). LIepea 6 xac. nocne xocesa s alyxy xo BceK IlosepxxocTg arapa aaNleTHbl Mealxge, eAsa pasalx~xMble KoaloHxx. Hecxoalbxo RectlTxos xalx coTex Mgxpo6os s IIoale apeHgx MAxpocxoxa o6paayloT Mxxpoxoaloxllx. MIIKpo6bl pacTyT s AaIr3Hy, oTalx- xaloTCH xexpasxalbxblMx, yTOaluzexxblMx ~IacTHMx Teals x o6paayloT I~I{T. I~IHOrAa BcTpe~aloTCSI oTRealbHble Tealbija. I{I~T 6bIBaIOT oRxopo~xble, cxxec~xoaeTOSOro useTa (Ta6. I, pxc. 3 x Ta6. II, pxc. 4). LIepes 8 =Iac. xocale xpHSxsxx x0 coce,~cTSy c xcealo6xoM c xexl3ur3alalxxoM xaxo- RsITCSI MealKxe, eAsa paaalt~ut3Mble KoaloxxII, a xoRaalbiIIe oT IIeHxuIIalalr3xa oxx 6bIBaIOT ropaaRo Kpynxee. Y mTaMMa xa sepxxi3x RblxaTealbHblx IIyTeK IfIfT o6paayloTCx B6alxax xcealo6Ka s 607IbIIIOM Koxx~ecTSe Toalbxo Texepb, Tor~a xax y McHIIHreaalb- Horo mTaMMa oHA yxce cc~opMxposaali~cb, x s xexoTOpblx xa xxx Ha*IxxaeTCx saxyo- alxaanIISl. LIepea 12 qac. xocale xocesa xa6alloRaloTCH xoaloxIIx IIepexoAxoro Txxa, a Taxxce xOJIOHxx =IFICTbIX I{I{T B pa3alx=IHbIX CTaJ~I3fiX pa3BHTASI, - OT OJjHOpOJ~HbIX j[O BaKyO- JIx3I3pOB8HHbIX g CerMOHTxpOBaHHbIX MHOPO=IxCJIBHHbIMI3 IIeperOpOJZK8M14. I{O7IOHII~i, yAaaleHHble OT 5ICe7IO~ICa C xeHHuxaIaII3HOM, 6bIBaIOT Mexbme ~,1 MM (Ta6. I, pgc. 5 H Ta6. II, pxc. 6). zIepea 24 Baca xocale xocesa xo6alxaocTH oT xexxuIIalalHxa xaxoRslTCSI optHx Toalbxo L-xoaloxxH, cocTOSIII~xe xa L-Tealeu, - xo 6oalbiIIeK uacTx saxyoalr3ai3posaxxblx. BpocaeTCH s ralaaa MopluHxl~cTax xosepxxocTb sTxx xoaloHt3ia s cpaBHexIIx c ralan- xxMx cc~epr3=IecxxMH KoaloxIISlMx B~[aalexe oT xeHl3tzxalalxxa (Ta6. III, pt~c. 7). zIepea 36 sac. nocale nocesa s6alxax xexxuxalalxxa xaxoRHTCSI, ralaBHbIM o6paaoM, pacxastIIIIecsl L-KOnoxxA, pacxasmgecsl I?IfT x MHOxcecTSO MealxoaepHxcTOro Be- u;eczsa Boxpyr Konoxt3~I. Hecxoalbxo RaalbiIIe oT xcealo6Ka, cpeug xopMaalbxblx ralaAKxx xo~~IOHxH scTpeaaloTCx x Mealxi~e xoaloHHx c i3a6opoxcRexxoi~ nosepxxocTblo. Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 LIepe3 48 Sac. HocJle Hocesa pHRoM c x{eJIO6KOM nexHIIIIJIJIHIIa xacTynaeT pacrtau L-KOTIOHI3H. FiOJIbmHHCTBO IiI~T pacuaRaeTCSi, B ApyrHX xa6JrlozjaloTCH McJlxxe aepxxcTbie o6pa3osaxIlll HJIH KpoTKHe, HpasHnbxble KoxxoGauHJiJlHpxbie TeJlbua, oxpamHSaIOH;HecH Kpacxoc~HOJIeTOSbIM. Ho xpoMe xxx soxpyr I~IiT H ocTaTKOs L-xoJloxHil xaxoAHTCx Mxo~I{ecTSO 6ecc~opMexxoro aepxxcTOro BeluecTSa H xopomo cr~iopMHposaxxbix HaJIO9eK H BoJroxox. MbI no:LaraeM, 9TO aTO MHKpo6bl, xoTOpble Boa- xHKaIOT Ha xexoTOpbix pacnaAalolTjHxcH I~I~T B nHTaTeJlbxoil cpeRe, rye KoxueHTpauHIl nexlluHJlJrHxa ynaJla xacTOJibI{o, =ITO yx{e xe BbI3bIBaeT o6pasosaxHx xoBbix I~IfT H L-IjHKJIOB. B03HHKaiOIT~HC T8I{ MHKp06bI HC yCTOH9HBbI HO OTHOmexHIO I{ IICHH- I[HJIJInHy' i3 B HpHCyTCTBHH jjOCTaT09HOr0 KOJIH9eCTBa 3TOT0 aHTH~HOTHKa HCMCjjJICHHI) nepexoAslT B L-uHKnbl (Ta6. IV, pllc. 9). BZjaJIII OT IieHHLlHJIJIHHa Ha6JIIOj[aIOTCH T. }I. I1CpeXOJjHble L-I{OJIOHHH (11aTO91{a H Cyxaxosa 1951), npoxcxoH{Aexlie KoTOpbIX MbI o6T~ACxseM TaI{, 9TO y5I{e BoaxHKIIIHe LIOpMaJIbHble KOJIOHHH IIOCTeHeHxO H3MCHfIIOTCII B L-I{OJIOHHH, Ha9HHaH C HaH60JICC cTapblx MHKpo6os (Ta6. III, pxc. 8). LICpC3 72 9aCa HOCJIe IIOCCBa Ha IIOBepXHOCTH CpeRbI HBXOj[HTCH 2 BH,~a KOJIOHHLI: HOpMaJIbHble H L-ISOJIOHHH. I~OJIOHHH, BaHTax C JIIOCOPO MCCTa (BhJIH3H HJili B~aTIeKC OT HCHHI~HJIJIHHa) H flepexeCexHaH Ha 10~~p KpOBHHOH aI'ap, j[aCT Ha9aJI0 9HCTOH KyJIbTypC HOpMaJIbHbIX KOJIOHNH IIaJI09KH Hc~CHC~epa. BoalbmHHCTBO L-KOJIOHHH HaXOJjHTCH B COCTOHHHH pacHaRa. BZjaJiH OT )KeJI06Ka paCHOJIO1KeHbI BIICpeMCSI{Ky T. H. IIepeXOjjHbIC KOJIOHHH H L-KOJIOHHH. Llepea 96 Sac. HocJle Hocesa xapTHlla TasaH x{e, KaK H 9epea 72 9aca. I~oJroxllH HpeJjCTaBJIeHbI jtBy'MR THHaMH: L-KOJIOHHRMH H IICpeXOj[HI>IMH KOJIOHHHMLi. L-KOJIOIIHII C COT006pa3HOII CTIJVKT~'pOH COCTOHT H3 OCTaTKOB L-TeJIeIj C MH05KCTBOM M07IK03epHH- CTOI'O BOILjeCTBa LI C MCJIKHMH o6paaosaxliaMH B (~)OpMC naJI09eK fipKOKpaCHO- c~HOJIeTOSOro L~BeTa (Giemsa). B MaaKax npLi yseJlH9eliHH B 1360 paa KpoMe I~I~T HaXOJjHTCH MC7IKH0 MHKpOObI K BOJiOKHHCTbIC MHKpO~bI, a TaKSI{C ~OJIbBI08 KOJIN- 9ecTSO McJrKOaepxncTOro seH~ecTBa (Ta6. V, pxc. 10). Llepea 120 H 144 9aca nocJle Hocesa KapTHxa KyJIbTypbl'oTJIH9aeTCH oT npeRLHe- CTByIOLTjeH TOJIbKO TCM, 9T0, I{pOMC paCIIaJ~aI01I[HXCH COT006pa3HbIX OCTBTKOB L-KO- JIOHHH B HCH HBXOZjHTCH H MOJIOjjble xOpMaJIbHbIC KOJIOHHn, COCTOHnjHe H3 KOpOTKHX IIaJI09CK HJIH B07IOKHHCTbIX MHi{p060B. B CKOHJICHHHX (~HOJICTOBOrO BeLLjeCTBa paCHBBIIIHXCH KOJIOHHH BbIJ~eJIHIOTCH MCJIKHC KpaCHO(~HOJICTOBble HaJI09KII, B03HH- KaloruHe B peayarbTaTe T. x. xerloHxoro L-I~HI{Jra (Tulasne 1951). :3TOT onblT, -KpoMe Ho;~TSep;ICuexHx Toro, 9TO HOJlyaxaapo6xall cpeua c S. mar- CCSCeHS CTHMyJIHpyeT BJIHHHHe HCHHL~nJIHHa Ha B03HHI{HOBCHHO L-L~HICJIa, - IIpHHe(' eLije OjjHO OTI{pbITHe: y mTBMMOB naJI09KH Hc~eHC~epa, OUpa3y'eMbIX j(JIHHHbIMH BOJIOKHaMH (MHOTOnJjepHble KJICTKH - Bisset 1951), L-IjHKJI IIOj( JjCYICTBHCM HCIIH- I~HJIJIHHa H8CTy1IdCT paHbme, 9eM a I11TaMMOB B (~OpMC KOpOTI{HX IIaJI09eIf. HpN J~OJITOBpeMCHHbIX Ha6JIIOJ1,eHHHX Hajj KyTIbTypaMH C llCHHL~HJI7IHHOM Mbl y0ej[HTIHCb, 9T0 TaM, rj[C IIOCJIe IIOCCBa RCe MHKpOF)bI IIepeXOZ[HJIH B L-(~OIIMbI, 9epe3 4-6 JjHeH Ha9HHaJIH HOHB7IHTbCH xOpniaJibHble KOJIOHHH IIdJI09KH IIc~eHC~Cpa. ~.HeL~HaJIbHO IIOCTBBJICHHbIII OHbIT HOl{a3aJi, =ITO naJi09Ka Hc~enc~epa, HepeXOAII B L-(~lOpMbI, CBOCO~IIa paaJIOiIiHTb 11CHIilIH7IJIHH B CBOCII OKpyrO, TaK =1T0 CIIOCOFxbIC K pa3MHO1I{CHiIIO (~OpMbI HaJI091{H II~iCHC~epa pa3MHU?ICaIOTCH IIOTOM B 3THX MCCTaX IIyTCM IIOIIepe9HOT0 Jje~'ICHHFI Ii ;~aloT Ha9aJI0 HOBbIM HOpMaJIbxbIM KOJIOHHHM. 2. 06pa3oeanue IfKT na~co~IKU II,gSeu~epa na. ucoKO.~aano.nti azape, na noeep.xnocml. xomopozo 6u.~ naKanan nenu~~u.~n-un. I~I~T 06pa3yIOTCH paBHOMepHO HO BCCH IIOBepXHOCTH CpCJ1,bI, itO~pbl3raHH011 neHHunJIJIHHOM. KyJlbTypbI HaJI09Kli H~ieLI~epa 6pa7ILiCb J~JIH HCCJIeJ~OBaHHH 9CpC3 2, 3, 4, 5, 6, 7, 8, 12, 24, 48 II 72 9aca HocJie Hocesa. LIepes 6 =Iac. 6oJrbHlnxcTBo IIaJI09eK 06pa3VCT V?KC l{I~T, I'U1iOreHHOC COJIep51~nu B 2-uacoBOx Ky~IbType MbI HaIIIZIH KneTKy B Haua~Ibxoli cTaRHH o6paaosaHHu L-Te~Ibua - B c~opMe Ma~Iexbxoro ocTporo oTpocTKa B uexTpe K~IeTKH (Ta6. VI, pnc. 1). IIpaBua, B ToK xce Ky~IbType BcTpeua~IHCb H 6o~Iee IIoaRHHe cTaAHII o6paao- BaHHH IfIfT, TaK xaK B IIocexxaoH Ky~IbType HaxoAH~IHCb KaIeTKH paanll~HOro Bos- pacTa, T. e. B paa~IHUHOI3 cTeneIIII pearnpylOluHe xa ReKCTBHe IIeBrIuH~I~IHBa. PHC. 2 Ha Ta6. VI npeReTaBalseT Hecxoabxo 6onee Kpynxblil Kpyr~Ibi1I oTpocTOK KaIeTKH B 6-oNI Racy HIIxy6auHH, a pnc. 3 Ha Ta6. V I - yxce cpasxHTe~Ibxo xopomo paa- BIITOe IfI~T, COej[IIHOHHOe C K7IeTKOH H3 2-~IaCOBOH KVJIbTypbI. C7IeJ~yIOIIZIIe CHHMKH IIOKa3bIBaIOT B03HHKHOBOHHe I~I?T, COejjHHOHHOTO C MaTepHHCIfOII K7I0TKOII (6-uaco- Basl Ky~IbTypa, Ta6. V I, pHC. 4 II Ta6. VII, pHC. 5, 6). B aTHx Tenbuax Moaxxo pa37IHLIHTb McJIKyIO 3epHHCTOCTb. B 24-LIaCOBOH KyJIbTypO If ITT HBHO eIIxe CBH3aHbI C OCTBTKaMH HJIeTOK (Ta6. VII, pHC. 7). OHH OT7IHTIaIOTCA McJIK03epHHCTOH CTpyK- TypOH, HO He BCOrZja 6bIBaIOT OTLIeTJIHBO OrpaHHtleHbI, TiTO HaBOZ[HT Ha IIpeZ[HOJIO' SKeHHe O~O HX pacnaAe, HO TOJIbKO CHOJIOTHiIOCKHI3 OIIbIT ObI MOP pemHTb BOIIpOC, IIpHBOjjHT 7IH 3TOT paCIIaj[ K B03HIIKHOBeHHIO 5KH3H0CII000GHbIX McJIKHX Te7IeIj, HJIH xce 3TII iIaCTHubI IIORBepraloTCH aBTO7IH3y H IIOrn6aIOT (Ta6. VII, pHC. 8). C~IeAyIOIuHH Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Tab. VIII a. IIano~xa II~-e#c~epa, PacuaA xneTOx 6axTepx~ B aepxxcTOCTa. Pxc. 10-13: ysenxYeHxe s 22.000paa, pxc. 14: yse~xeexHe B 15,000 paa. cxxMOK 24-xacoso~i xy~bTypbt Taxxce Hao6paaxaeT ocTaTxx 6aKTepxH H pacxaAa- ioBggecH If ITT (Ta6. VIII, pRC. 9). CpeRx HHx BxAxo MHOro Me~xHx ~acTgR, paaMe- paMA oT 100 Ro 200 m,u. Ha6nioRaR onxcbrBaeMOe aRecb o6paaosaxAe I?I{T, MbI B 4-gacosoK xyxbType BAAe~K cneRyioH~ee ABxeHHe: KneTxg 6aKTepHH - 6ea HaMexa xa Ha~gxaioiReecH o6paaosaxge L-Texeu - xpespaH~anACb B rpoaRbR Mexxgx 3epHbIHIeK, IIpx6JII33YITEJIbHO OZ(YIHBKOBbIX pa3MepOB OKOJIO 1OO m~(l. HaM C~ygaxOCb Ha6JIIOJ~aTb KJIeTKPi, coxpaHHBmxe Hepsoxa~a~bxyio c~opMy xaxo~Kx, YL oAxaxo y Hgx xe xa6nioAanocb HHKaxoH xxeTOUxoH o6onou~fH: Bce xx coRepxcxMOe npespa- Tgnocb B :~epxHCTOCTb (Ta6. VIIIa, pxc. 10,11, 12,13). Mbt Hoxa He MoxceM o6~,RCHHTb 3TOr0 FiBJIeHHf3. C IIOMOIIZbIO OxI3C8HHOYI xaMg MOTOJ~HKFI aTOMHbIX pexn$K Mbi xpgrOTOBYITIH KOHTpO7IbHbIx HpeIIapaT, gCXOj[fI H3 24-iIaCOBOH KyJIbTypbl Ha arape HOTOpaH He IIOj~BepPa7IaCb xgKaxHM BJIgRxxRM A KOTOpyIO MbI OiIHCTFIJII3 nyTeM Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 ueHTpIII~yrHposaxIItl B AecTrI~I~IITposaHxoK BoAe. Ma30K o~HUjexxoiT BasecH xa IIpeu-' MOTHOM CTOKJIbIIIIKO IIOKpbIBaJICIi XpOMOM H CHIIMaJICH IIO7IHCTpeHOM. CHI3MKI3 aTOMHbIX peII7IHK TaHrIX Ma3KOB HCHO IIOKa3bIBaIOT BIIOJIHO COXpaHI3BIIIyIOCH ~aKTe- pITa~Ibxylo o6o~IO*Ixy (Ta6. VIIIa pITC.14). Ha ocxosaHHII aTOro MbI cyAxM, nTO Ha6nlo- AaBmaHCH HaMH 3epHYICTOCTb - He apTel~axT, B03HIIKHIHH B CBH3H C MOTOJ(OM npenapoBKi3. 3auaueK RanbxeHlHHx nccneRosaxHK 6yAeT IIposepIITb, tIB~IHeTCH IIII Ha6nIORaBiIIaxcH HaMH aepxxcTOCTb apTec~aK'roM, HJIH ~Ke aTO pacnaR IIoA AeHCTBxeM IIOHHIjI1JIJIITHa YIJIH j[pyrOl3 B03MONCHOII IIpHLIHHbI. (Ta6. VI, VII, VIII) ~uc~yccu w yIay~IHS alxTepa'rypy o 61TO~IOrH~ecxoM axa~IexrlII c~r3nbTpylOluHxcx c~opM 6aKTepIIii (B~IaIIIKOBITLI I3 Bblc'rplTuxIIT~I 1955a), MbI IIpTlcTynrI~III K IIepsoiT c~aae onblTOB c Hanon- ISOK IIc~eHC~epa ArI>i onpeRe~IeHIIH ycnoBllil, npx Ko'ropblx BoaHnxaloT ~HIIbTpy- IoluIIecii c~opMbT. IlpeNCRe scero Heo6xoAHMO ~bIJIO npoBepHTb, HBJIHIOTCH nII c~i3~Ib- TpyIOIuITecH c~opMbl o6HaaTenbxoil c'rauHeiT oHTOrexeaa 6aKTepIIH (KaJIHHa 1951). II03TOMy MbI CTpeMHJIIdCb II07IyLIIITb (~rI7lbTpyIOUZITeCH (~)OpMbI B yCJIOBIIHX, IfOTOpbIO He HpeIIHTCTByIOT pa3MH05KOHHIO rOaKTepI3H, - IfaH H3 JIa(r)OpaTOpHbIX SKHBOTHbIX, IIOI'II6IIIIIX OT OCTpOII COIITITKOMHLIeCKOII HHI~eKIjHII, TaK H II3 NSH~KOII CpOJ~bI HJIH K3 CpORbI pa3BIIBaIOIIZerOCH KypIIHOI'O 3apOj[bIIIIa (IIOJIOCTb aJIJIaHTOHC). B 3TIIX yC7IOBHHX H8M He yjjaBaTIOCb IIO7IyiIIITb H3 (~HJIbTpaTOB NSYI3HOCIT0006HbI0 I~I3JIbTpyI0II~I3eCFI LIaCTIII[bI, XOTH MbI TOYHO CJIOJ~OBaJITI MOTOj[IIKe, OIIHCaHHOI3 CiyK- HOBbIM II BOnbc~epu (1932). Mbl 3HaeM, iITO CII0006Hble K pa3MHONSOHIIIO (~lI3JIbTpy- IOIIjIIOCH iIaCTHubI IIOJIy~IaIOTCH p0~[KO (KpaCIIJIbHHISOB 1954) II 3aBHCHT OT KOJIIILIOCTBa HaXOjjHIuIIXCH B 3aCOBaOMOM MBTepHa7ie iIaCTI3I[ (KlleHebOP~'OP-NOb01 1951), HO, B COOTBOTCTBIIH C IIIIIpOKO IIOCTaB7IOHHbIMH OIIbITBMH TpHKH (1955), MbI npirAepaKH- BaeMCH TOI'O B3rdIHRa, iITO B03HIIKHOBOHIIO I~ITJIbTpyIOLuIIXCH (~OpM He MONSCT 6bITb pOryJIHpHOII CTaJ~IIOIT B OHTOreHe3e ~aISTepIIII. II03TOMy MbI 06paTIITIHCb K OIIbITaM II07Iy~IOHIIH L-I~IOpM IIOJ[ J~OIICTBIIOM pa3JIH~IHbIX BeII[OCTB, KOTOpbIO BCOMT[ OTHOCATCH K f~aKTOpaM, BJIIIHIOIl[HM He6JIarOIIpHHTHO Ha IIpOIjeCCbI NSH3Hej[efiT07IbHOCTTI 6aK- TOpUIr, BIS7fIO~IaH H pa3MHONCOHHe, - TBIS KaK y L-I~OpM ~aKTOpHIT (~HJIbTpyIOII~aHCH CTaZ[IIII II3BOCTHa. MbI Hcc~IeAosaalx BnHHHIIe Ha narlonKy IIc~eiic~epa neHIIuIIn~IHHa H lu)~Iy~Ii1nN p03yJIbTBTbI, OTBOLIaI0IIjH0 TOM, KOTOpbIO TIy~JIIIISOBaJIIICb Zj0 CHX IIOp. OZ[H8K0 MbI y~OJ[IiJIHCb, iITO J[OIICTBHe IIOHHI[HJIJIIIHa, IIpOCaLIHBaI0Iu0I'OCH CKB03b IIJIOTHyIO CpOZ[y', pa3JIIILIHO B 3aBIICHMOCTII OT TOI'O, B KaKOII (~a30 pa3BHTIIfi HaXO~[11'1'CH CO- 061I{OCTBO MHKpOCOB. ~~ O~IOHb OOJIbIIIOH BepOHTHOCTbIO MbI C IIOMOIIjbIO MOTOJJ,a OICpaIIIOHHbIX OTTIICKOBbIX IIpOIIapaTOB ISyJIbTyp IIaJIOLIKU 11(~leH(~Opa pa3JIIILIHOPO Boapac'ra uoxaaa~IH Ha~IIIUHe T. H. HenonHOro L-ulTKna (Tulasne 1951). A H B-KO- JIOHIIU L-I~OpM MbI paCCMaTpIIBaeM Ka1S p03yTibTBT pa3JIII~IHOI3 JjJIiiTCJIbHOCTIi JjeII- CTBIIH BHOIIIHOI'O (~)aKTOpa (HaIIp., IIOHIIuIIJIJIITHa). B03MONCHO, tITO H B llpkipOZ[O IIOZ[ J~OIICTBIIOM HOBIIOJIHO BbIHCHOHHbIX IIpHLIIIH IIpOTOICaIOT aHaJIOTII~IHble IIpOI~OCCbI. ~TIH II07IyTIOHHH L-c~opM IlaJIO~IKH IIc~eIIC~epa MbI HCIIOJIb30BaJIH TaKNCe CTapbIO Ky7lbTypbl, Ha ~a30 KOTOpbIX B03HUKaIOT BTOpHtIHbIO L-KOJIOHIIH, a T8K)iSe j[eIICTBile CIIOuH(~II~IOCKOI'O I'aMMa-rJIOCyJIHHa B 1ISH~KTIX H CMOIIIaHHbIX IIHTaT07IbHbIX CpOJjaX (RM-cpeua). B KatIOCTBO HOO~XO~[HMOPO J~OIIOJIHOHIIH K H80JIIOJ[eHIIHM B CBOTOBOM MHKpOCKOlIO MI,I IICCJIO;(OBaJIH B03HIIKHOBOHHe H CyJ~bObI L-c~opM, a B 0006eHHOCTH I~HT, K C IIO- MOIubIO 3JIeKTpOHHOPO MIIKpOCKOIIa, J~JIH tIOI'O MbI pa3pa60TaJIH MOTOJ~ aTOMHbIX OTTIICKOR, COXpaHHIOII[UII ~aKTOpHaJIbHbIO K7IeTKH III S1tU. MbI II07IytIII7III Ilpej(CTaB- TIeHHO O B03HHISHOBOHITII KKT, JjJIH ICOTOpOI'O HOT H006XOj[IIMOCTrI B ZjByX 6aKTe- pHaJIbHbIX K7IOTKaX, I[ O COCT8B0 TOJIa ~aKTepI1H II 1~KT IIOJ~ HOIIpepbIBHbIM j1,CIICTBHCM Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 IIOHIII[gJIJIIIHa. IIpg 3TOM MbI HaIII7Ig B Te7Ie 6aHTepgg H B I{KT HpyIIgHHg J(gaMOTpOM OHOTIO 1~0 In'GG, 3Ha~IeHge HOTOpbIX H8M IIOxa Heg3B0CTH0. BbIIIIeH37IOHfeHble IICCJIeJ~OBaHYIFi J~OJIHfHbI IIOC7IylxgTb OCHOBaHgeM J[7IH pa6oT IIO BOIIpOCaM CyIIjeCTBOBaHgFi H 3Ha~IeHgH [~gJIbTpyIOH;gxCH (~OpM IIaJIOLIHg rl(~ei3(~lepa. 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TaH xax IIeHgr~gnngH, IIpg6aB~ISIeMbIg x cpeAe B xceno6ox i3IIg B oTBepcTHe, IIpoca~g- BaeTCH B IIIITaTeJlbayIO cpeAy IIocTeIIesao, off oxaabIBaeT B7IgsIHge Ha paangxIIble cTaAIIII o6paaosaHxll xonoHgK, xoTOpble, IIpogAs gepea cTauIIlo IIepexoRHblx L-xo- 7IOHgI3, xepe3 HOHOTOp08 BpeMS IIpII06peTaIOT c~OpMy TgIIgiIHbIX L-HOnOHgi3. 2. rlepBOHaLIaJIbHO HOpMaJIbHble HOJIOHgg IIa7IO~IHg II~iei~~iepa, g3MeHgBIIIPIecII IIoR Aei~cTBgeM IIeHg>~IIII~IgHa B L-HOnoHgg, 6go~IOrII*Iecxg pasaoz;eIIHbI c ycTOguII- BbIMg gTIII ~IaCTgLIHO CTa6g7Ig3gpOBaHHbiMII A II B-TIIIIaME L-c~-OpM. 3. IIpII L-I~gHJIe IIOJ[ BJIIIFIHgeM IIeHgL~g7I7IgHa IIaJIOLIHa Ilc~et3c~epa pa3JIaraeT 3TOT aHTHCgOTgH H T0M CaMbIM IIpeHpaII~aeT er0 aHTII6IIOTELIeCKOe J[eIICTBI3e. 4. L-~iopMbI IIanOLIHII Ilc~ieII(~epa 6bITI$ HaMg IIO7Iy~IeHbI B CTapblx HyJIbTypax Ha IIroxonaAHOM arape, Ha*IIIHasI c 9-ro RHSI gHxy6ai;gII. J~anee L-c~opMbl Boaxgxang IIoR B~IxtIHgeM cne>~g~ixgecxoro roMOnorHOro raMMa-rno6y~IgHa B RM-cpeAe (cMecb IInoTHOg T3 xcgAxol~ cpeRbl). ?l{gp[xax cpeRa yAo6Ha, xax xa}xeTCtl, Ans IIony*IeIIIISI cTa6g~IxaosaHaol~ L-c~opMbl, Tax xax BbIablBalolgAe ee o6pasosaIIge EMIIynbcbl J[eI3CTByIOT B TaHOI3 CpeAe J;07IbIIIe. Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 I~Ia nno~iIIslr3aHposaHHbiX Icy~IbTyp IIa~IOUKH IIc~ei~c~epa TaKxce yRanocb B TeueHIIe 3 rexepagHii IIo~IyuaTb L-c~opMbl. OIIIICaxxbie onblTbl Ronxcxbl cnoco6cTBOSaTb BbIFicHeHHIO axaxellnx L-IzIIK~ta y 6aK- TepHH H pemeHHlo Boupoca, KorRa B Te~exne sTOro i~IIKna BoaHHKaIOT xcHSxecnoco6Hbie (~HJIbTpyIOHZHECH (~OpMbI ~aKTepHH. MbI XOTHM TaK C IIOMOH~bIO OHbITa IIp07IHTb CBOT Ha IIpOI(eCCbI, IIpOTeKaIOII~IIe B OpraHII3MC X03FIIIHa. 1ITOCbI HpOBepIITb JjaHHble CBBTOBOPO MIIKpOCKOIIa IIpII yBe7IYI=IeHHH, II03BOJIIIIOIIZeM pa3JIH=IaTb 37IeMUHTaplible =IaCTHI~bI L-(~OpM ~aKTepIIIi, MbI IIpOC7IeZ[II7II3 06pa30BaHIIe HILT IIOj~ B7IHIIHIIUM IIBHHI~HJIJIHHa y IIa7I0=IKII II~)eIIC~epa YI B 3JIKTpOHHOI3 MIIKpO- cxoIIHH. F'ibIJIII IIonyuexbl cneAyloH~IIe pesy~TaTbI: MbI IIa6nloAa~III o6paaosaIIIIe HILT IIa~IOxKH II~ie~ic~iepa IIoR uei~cTBHeM IIeHHu1In- ~IIIxa. YIa yRrlIIHexxoi3 IIa~IO=IKYI BbipacTaeT oTpocTOK, KoTOpbIK ylienHUHBaeTCx B o6'beMe II saxpyraIIeTCx. uIIaMeTp HILT 6bisaeT oxo~IO 4-5 MHKpoxa. B TexeHHe 2~f =IaC. IIC=Ie3aIOT KOHTypbI IIIIT, IfOTOpOe paCIIaj[aeTCH B 3epHHCTOCTb, 3aM0THyI0 yaKe H j[O 3TOT0 B COJjep?KIIMOM IiI~T, HJIH B 6eC(~OpMeIIHyIO MaCCy. KpOMe O[ pa30B8HIIH KKT MbI Ha~JIIOJ~a7IH B Cpejje C IIOHHIjHJIJIIIHOM CKOII7IeHYIA COj[ep}il'HMOPO KdIeTIfH 6aICTepHH B Oj[HOpOj[HyIO 3epHIICTUCTb, yTpaTy KJIeTO=IHOI3 o6onouKH II pacceslxIIe KpyIIIIxoK B oxpyxcaIOHlylo cpeRy BHe KJIeTKH. IIpH IIpez[- IIIUCTBOBaBIIII2X Ha~JIIOJ[eHIIFIX C IIOMOII~bIO 3JIeKTpOHHOTO MYIKpOCKOIIa MbI TaKOPO pacnaAa He Ha6~lioAa~1II. ~InTepaTypa B n a m x o B n ~, J~. H Fi bI e T p n u x n i'r, B.: Mopc~o~rornH narlo~Ixu Hc~ehc~epa (Haemo- philus influenzae Pfeiffer) B a~IexTpoxxoh Mnxpocxonnn, Fol, biol. (Praha) 1:355, 19556, I{ a JI n H a, I', H,: ~nJIbTpyIOIi[neCx ~OpMbI 6axTepn#, TpyRbl nHCTHTyTa MHHp0~1nOJI0PItn 1:45, MOCHBa 1951. Il p a C H JI b H n x 0 B, H, A,: O HexJIeTO=IrIbIX (~OpMaX y MHKpOOpPaHnaMOB, YCn. COBp, bxo.aornn 37:22, 1954. H e p M y T, D1. rI H e u a c, O.: L-c~opnibl 6axTepHti. I. I~Ianiexexnx c~opMbl Proteus vulgaris, BbIablBaeMble nexnuHnnxxoM. iIcn. TxorlornH 3:370, 1954. H e p M y T, M, H H e~ a c, O.: L-I~opMbl 6ax~reprr#. II. B~IHHxne axaapo6xblx yc~IOBH# xa HanlexexnH I~opMbl Proteus vulgaris rtou T{e>;ICTBneM Hexxurrrl~rnxa. Fol. biol. (Praha) 1:257, 1955. C y x x e B, B. B, n B o x b~ e p u> P. A,: BI;IHSSexne ~innbmpyroH;HxcH c~opM 6axTepn# C nOMOIL{bI0 ?xOpMHJIOx? H3 6aKTepnO(~)arOBbIX (~nJlbTpaTOB n Cyn[HOCTb (~IeHOMOHa f)aKTepnO- ~IarHn. BecTxHx Mnxpo6no~IOrnH, anHA, n napaanT., 11, 1932. Bisset, K. A.: The Morphology and Cytology of Bacteria. Ann. Rev. Microbiol. 5 : 1, 1951. B l as k o v i ~, D, a B y s t r i c k y, V.: Biologick$~ vyznam filtrovatelnych foriem bak- terii, Cs. biologic 4:496, 1955a B I as k o v i ~, D.: >.7ber experimentelle Moglichkeiten~ mit dem b-Typus H. influenzae Pfeiffer. Zbl. Bakter. I. Orig. 149:202, 1942. Dienes, L.: Electron Micrographs Made from L-forms of Proteus and Two Human Strains of Pleuro neumonialike Organisms. J. Batt. 66:280, 1953. Dienes, ~., Smith, W. E.: The Significance of Pleomorphism in the Strains of Bactero- ides. J. Batt. 48:25, 1944. K a n d l e r, G., K a n d l e r, O.: Untersuchungen fiber die Morphologic and die Vermehrung der Pleuropneumonieahnlichen Organismen and der L-phase der Bakterien, II. Elektronen- mikroskopische Untersuchungen. Arch. Mikrobiol. 21:202, 1954. K l i e n e b e r g e r- N o b e 1, E.: Filtrable Forms of Bacteria. Batt. Rev. 15:77, 1951. P a t o~ k a, F? S u c h a n o v a, M,: Bakterialni cyklus t, zv. L-forem mikrobu. Biol. listy 32:90, 1951. S t e m p e n, H., Hutchinson, W. C.: The Formation and Development of Large Bodies in Proteus vulgaris OR-19. I. Bright Phasecontrast Observation of Living Bacteria. J. Batt. 61:321, 1951. T r n k a, Z.: Pokusy o ziskani nebuneenych forem brucelly kultivaci na kurecim zarodku. Kandidatska prate, Praha 1955. T u l a s n e, R., B r i n g m a n n, G.: Donnees nouvelles apportees par le microscope electronique sur la morphologic des formes L des batteries. Rev. Immunologic, 16 (4-5) :327, 1952. T u 1 a s n e, R.: Les formes L des batteries. Rev, Immunologic. 15, 223, 1951_ Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 By studying the literature an attempt was made to form an opinion on the bio- logical significance of filtrable forms of bacteria. In a model experiment with Pfeiffer's Haemophilus influenzae an attempt was made to obtain filtrable forms and, if possible, to define the conditions under which these develop. The results were obtained from biological experiments and from preparations studied by photo and electron microscopy. In the first place confirmation was sought as to whether filtrable forms develop as an essential ontogenetic stage of bacteria. An attempt was therefore made to obtain filtrable forms of Pfeiffer's Haemophilus influenzee, from cultures of meningeal strains (3) and of strains from the respiratory tract (6). The following material was filtered through a Seitz or a Berkefeld filter L 3 and L 5: a) a saline extract of the organs of dead rabbits which had been inoculated with a meningeal strain of Pfeiffer's Haemophilus influenzae, b) cultures of strains of varying origin which had been cultured on fluid nutrient media and had been passed through at least ten passages in the allantoic cavity of the chick embryo. The filtrates were inoculated on to suitable nutrient media (10% blood agar with colonies of Staph. aureus), fluid media (liver broth with the addition of 3.5% blood), on to sensitive animals (rabbits, mice, ferrets) and on to chick embryos. The presence of filtrable forms which reverted to the original bacterial form were not demonstrated. Nor were filtrable forms which might be demonstrated by the phenomenon of satellitism. We are not convinced that filtrable forms of bacteria are an ontogenetic stage of bacteria living in conditions favourable to their multiplication. Following these negative results attention was paid to the formation of the L-cycle through the action of various external influences. 1. The action of penicillin in solid nutrient media on five strains of Pfeiffer's Haemophilus two of which were isolated in children with meningitis is described. All strains formed large round bodies (LRB) and in two strains, the cultures of which were kept under constant observation at two-hourly intervals, a so-called "incomplete" L-cycle was demonstrated with the greatest degree of probability (Tulasne 1951). When penicillin placed in a cannula or in an opening in the nutrient medium is absorbed into the medium gradually, it has an effect on the bacteria at the various stages of development of the colonies. After a time these take on the form of typical colonies of the L-form, via a transitional L-colony. .`2. The originally normal colonies of Pfeiffer's Haemophilus which are changed by the action of penicillin into L-colonies, are not equivalent biologically to stable or partially stabilized A and B types of L-forms. 3. The L-cycle of Pfeiffer's Haemophilus produced by the action of penicillin in turn breaks down the antibiotic and thereby destroys its antibiotic properties. 4. L-forms of Pfeiffer's Haemophilus were obtained in old cultures on chocolate agar from the ninth day of cultivation. L-forms also developed by the action of specific homologous gamma globulin in mixed solid and fluid media (RM environ- Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 ment). Fluid media are perhaps suitable for obtaining a stabilized L-form if the influences evoking it have prolonged action. L-forms in three generations were also successfully obtained from lyophilised cultures of Pfeiffer's Haemophilus. These experiments are intended to assist in understanding the significance of the L-cycle of bacteria and in finding out whether viable filtrable forms of bacteria are produced in the course of this cycle. The experimental conditions are arranged in such a way as to approximate to the processes which take place in the host organism. In order to 'confirm the findings obtained by photo microscopy, by the use of the highest magnification permitting the elementary particles of the L-forms of the bacteria to be distinguished, the formation of large round bodies of Pfeiffer's Haemo- philus by the action of penicillin was also observed by electron microscopy. The following results were obtained: Using electron microscopy, the formation of large round bodies (LRB) in Pfeiffer's Haemophilus, produced by the action of penicillin, was observed. From longer bacilli a process grows out, which increases in size and becomes spherical in shape. The diameter of this large, round body is about 4-5 microns. Within 24 hours the contour of the large round body disappears and it disintegrates into granules which were already previously visible in the contents, or into a formless substance. In connection with the formation of large round bodies, a grouping of the contents of the bacterial cell into uniform granules, loss of the cell membrane and dispersal of these granules into the medium were observed on media containing penicillin. Such disintegration had not been found in previous observations using electron microscopy. (Plates I, II, III, IV, V, VI, VII, VIII) Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 F3~inrirrue nellituu~zuaa xa rla:IOVx~~ Ili~u~ii~jielri I ~IIC. ~. ~i Tl"G`H I(f' ~i-'f~U'OBpll IIHIiVOaI~14[. IIa V;~~IiHPH HbIX LI830~f1i8S II 13p:IO1:H8A Ha'[I~HiI}pT ou'paaosaTCft IiIiT. ~'iseamiexue a 450 paa. 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McTIi03epHHCTOe NJIH HOHH06a1{NJIJIHpH00 COT,[epACNMOC IiIiT M3~TNBaeTCH H olcpy.fcalou~yfo epe,*~y. YBe~THeexHe B 850 paa. YNC, 11. 9-;SHCHHaH I.y.nbTypa na.IO~rICN II~eli~fepa Ha Iuolco~za~xoM arape. IIo HpaHnl ?cTapb}x KO.IIOFI Ii~i? H0:3HIIfia10T rHeJJ~a BTOI1NiiHbiX fCO.TIOH}II?I~ HpeRCT1BJIHIOII(NX HepeXOT~HbI ~t TNH I.,-}CO~IOHI[#. HanI4YNe IiI{Z' N 6a HTep Na7lbHbIX f~Op M. SrBed-I N'ieHNO B 1~0 pa3. Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 IIa~ro~[sa I~~~eif~~iepa. OopaaoRatic~e Iili'P. Parr. 5, G: ~~ise:m~u~e>>e~ a 22.000 pas, p~ic, is ~-se~~zHe~r~te ~ 5800 paa, p~ic. 8: ~~He~ii~~t~xii~~ n 15.000 pas. Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 (RepriiNed from Nature, Vol. 179, pp. 918-919, Mrry 4, 1957) Effect of Very Large Dases of Bacterial Antigen on Antibody Production in New- born Rabbits TxE injection of large doses of antigen into very young animals results in a weakening of the anti- body response when a further dose of antigen is ad- ministered to the adult animal. This phenomenon has been described as acquired tolerances, immunological approximations or immunological unresponsiveness'. It is not yet clear whether the administration of large doses of bacterial antigen during embryogenesis or the first days of postnatal life can also inhibit immunity responses in adult animals. Buxton found a suppression of antibody formation to Salmonella?, and Kerr and Robertsone to Trichomonas foetus. Cohne and Smith and Bridges', on the other hand, found no inhibition of antibody production after the injection of bacterial antigens. In the present work, five-day old rabbits were iujocted by the intravascular or intraperitoneal routes with a medium-sized dose (108 micro-organisms) of heat-inactivated antigen of Salmonella paratyphi B. Fiuther groups of animals were given excessive amounts of the same antigen, the largest possible dose being 4-6 x 10? organisms for five-day old rabbits and 2 x 10? organisms for new-born rabbits. It is evident from Table 1 that the medium-sized dose of 108 organisms caused an antibody response to appear, on the average, at the thirtieth day post- natally. In both groups given excessive doses of antigen, antibody formation was speeded up sig- nificantly. Bour months later, all surviving animals were re- vaccinated with 10' organisms S. paratyphi B (Table 2). Only where excessive doses of antigen had been given to five-day old animals was there a significant inhibition of antibody formation. New- born rabbits injected with 2 x 10? organisms imme- diately after birth showed no such inhibition on re-vaccination. These results show that inhibition can be achieved with bacterial antigens, but only when administered in amounts which are very near the lethal dose. The negative results of Cohn? and Smithy may have been due to the injection of insufficient amounts of bacterial antigen. Complete inhibition of antibody formation has been achieved with serum albumin, and after the first injections no antibodies were found in the serum of infant animals?.ie, The present experiments show that not even the injection of excessive doses of Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 Approved For Release 2008/12/09 :CIA-RDP80T00246A003000320001-2 ;~~ Table 1. POSTNATAL DAY ON WHICH ANTIBODIES WERE FOUND FOR '1HE FIRST TI AMOUNTSAOF ANTiBOEN (S.EParatyplTlOl )ON DIFFERENT To 5-day- old, 10? micro- organisms (intraper- i toneal) No. of animals Median Min. Max. To 5-day- o1d,10? intra- vascular 29