abstract：:The association of nucleoside triphosphate molecules and calcium ions with purified particles of mycobacteriophage 13 has been documented. The content of nucleoside triphosphate has been determined to be 118 molecules per phage particle by equilibrium dialysis against labelled ATP or 148 molecules per phage particle b...

journal_title：Archives of microbiology

authors： Karnik SS,Gopinathan KP

更新日期：1981-09-01 00:00:00

abstract：:Two proteases, designated I and II, have been isolated from sporulating cells of Bacillus subtilis. They were partially purified by ammonium sulfate fractionation, Sephadex chromatography and affinity columns. Protease I was found to be similar to an already characterized B. subtilis protease. Protease II is trypsin-l...

journal_title：Archives of microbiology

authors： Srivastava OP,Aronson AI

更新日期：1981-05-01 00:00:00

abstract：:Cell free extracts prepared from exponentially growing Escherichia coli and Bacillus cereus as well as from Bacillus cereus at the end of exponential growth were optimized for various factors required for amino acid incorporation when programmed with Bacillus ribonucleic acid. All three preparations synthesized glutam...

journal_title：Archives of microbiology

authors： Wright W 3rd,Aronson AI

更新日期：1981-04-01 00:00:00

abstract：:Mercury resistance of Clostridium cochlearium T-2P was found to be controlled by a different mechanism from those reported so far since no mercury-reducing activity was detected in this strain. The H2S generating ability as well as the demethylating activity in this bacterium was eliminated by the treatment of the cur...

journal_title：Archives of microbiology

authors： Pan-Hou HS,Imura N

更新日期：1981-03-01 00:00:00

abstract：:Anaplerotic fixation of carbon dioxide by the fungus Aspergillus nidulans when grown under carbon-limited conditions was mediated by pyruvate carboxylase and a phosphoenol pyruvate (PEP)-metabolising enzyme which has been tentatively designated as PEP carboxylase. The activities of both enzymes were growth rate depend...

journal_title：Archives of microbiology

authors： Bushell ME,Bull AT

更新日期：1981-01-01 00:00:00

abstract：:Methanobacterium thermoautotrophicum growing on H2 plus CO2 as sole carbon and energy source was found to contain acetate thiokinase (Acetyl CoA synthetase; EC 6.2.1.1); Acetate + ATP + CoA leads to Acetyl CoA + AMP + PPi. The apparent Km value for acetate was 40 microM. Acetate kinase (EC 2.7.2.1) and phosphotransace...

journal_title：Archives of microbiology

authors： Oberlies G,Fuchs G,Thauer RK

更新日期：1980-12-01 00:00:00

abstract：:The rubredoxin content of Acinetobacter calcoaceticus in dependence on the carbon source (acetate, n-alkanes, succinate, L-malate) and on the growth phase was studied by means of a radioimmunoassay. The method used was specific for rubredoxin and Acinetobacter calcoaceticus. The formation of rubredoxin increased with ...

journal_title：Archives of microbiology

authors： Claus R,Asperger O,Kleber HP

更新日期：1980-12-01 00:00:00

abstract：:AMP-degrading pathways in Azotobacter vinelandii cells were investigated. AMP nucleosidase (EC 3.2.2.4) was rapidly synthesized and reached a maximum at 24 h, while the activity of 5'-nucleotidase (EC 3.1.3.5) specific for AMP, which was negligible during the logarithmic phase of the growth, first appeared in 24 h-cul...

journal_title：Archives of microbiology

authors： Yoshino M,Tsukada T,Murakami K,Tsushima K

更新日期：1980-12-01 00:00:00

abstract：:The growth, duplication and fate of multikaryotic hyphae bearing true clamp connections, as derived from compatible matings of Schizophyllum commune, were studied by phase contrast microscopy. The nuclei (N) of multikaryotic apices maintained a near central position during hyphal growth. True clamp connection formatio...

journal_title：Archives of microbiology

authors： Niederpruem DJ

更新日期：1980-12-01 00:00:00

abstract：:The occurrence of emodin, erythroglaucin, physcion, physcion-9-anthrone, questin, catenarin, and catenarin-8-methyl ether in different species of the Aspergillus glaucus group (genus Eurotium) was investigated. So far catenarin-8-methyl ether (1, 4, 6-trihydroxy-8-methoxy-3-methylanthraquinone) has not been described ...

journal_title：Archives of microbiology

authors： Anke H,Kolthoum I,Zähner H,Laatsch H

更新日期：1980-07-01 00:00:00

abstract：:The metabolism of methylamine as the nitrogen source for growth of the non-methylotrophic yeast Candida utilis and the methylotrophic yeast Hansenula polymorpha was investigated. Growth of both organisms in media with glucose and methylamine was associated with the presence of an amine oxidase in these cells. The enzy...

journal_title：Archives of microbiology

authors： Zwart K,Veenhuis M,van Dijken JP,Harder W

更新日期：1980-06-01 00:00:00

abstract：:The presence of teichoic acids in a number of streptomycetes led to the conclusion that these biopolymers were widely spread in genus Streptomyces. The nature of the teichoic acid present in the mycelium was determined by extracting it with 10% trichloroacetic acid, precipitating it with ethanol and identifying the pr...

journal_title：Archives of microbiology

authors： Naumova IB,Kuznetsov VD,Kudrina KS,Bezzubenkova AP

更新日期：1980-05-01 00:00:00

abstract：:The ADPglucose pyrophosphorylases from Rhodopseudomonas sphaeroides and Rhodopseudomonas gelatinosa are activated by fructose-6-phosphate, pyruvate and fructose-1,6 biophosphate-P2. The effects of the activators are to increase significantly the Vmax of ADPglucose synthesis and to lower the S0.5 values (concentration ...

journal_title：Archives of microbiology

authors： Preiss J,Greenberg E,Parsons TF,Downey J

更新日期：1980-05-01 00:00:00

abstract：:Exogenous addition of adenosine- and guanosine 5'-(di- and tri) phosphate 3'-diphosphate (pppApp, ppApp, pppGpp and ppGpp) at the concentration of 0.5 mM inhibits spore germination of Streptomyces galilaeus ATCC 31133. This reversible inhibitory effect appeared to be at the transcriptional level, and also depends on t...

journal_title：Archives of microbiology

authors： Hamagishi Y,Tone H,Oki T,Inui T

更新日期：1980-04-01 00:00:00

abstract：:L-Alanine dehydrogenase was found in extracts of the antibiotic producer Streptomyces clavuligerus. The enzyme was induced by ammonia, and the level of induction was dependent on the extracellular concentraction. L-Alanine was the only amino acid able to induce alanine dehydrogenase. The enzyme was characterized from ...

journal_title：Archives of microbiology

authors： Aharonowitz Y,Friedrich CG

更新日期：1980-03-01 00:00:00

abstract：:Candida utilis grew on ethanol and an ethanol-isopropanol-water (22:2:1 vols) mixture but not on isopropanol alone. Acetone accumulated in all cultures containing isopropranol but its presence in the alcohol mixture did not lower growth rate or yield significantly when compared with growth experiments on ethanol alone...

journal_title：Archives of microbiology

authors： Prior B,Kilian S,Lategan P

更新日期：1980-03-01 00:00:00

abstract：:In order to obtain strains of Saccharomycopsis lipolytica impaired in the active transport of L-lysine, mutants resistant to a mixture of L-canavanine, L-4-5-transdehydrolysine and L-S-amino ethylcysteine, taken either all three or two by two, were isolated. These compounds were shown previously to be competitive inhi...

journal_title：Archives of microbiology

authors： Beckerich JM,Lambert M,Heslot H

更新日期：1979-08-06 00:00:00

abstract：:The filamentous fungus Penicillium italicum when grown in a synthetic medium, produced and secreted 1,6-beta-glucanase into the culture medium. This enzyme has been partially purified by gel filtration. After this step the active fractions were free of 1,3-beta-glucanase, alpha-amylase and beta-glucosidase activities....

journal_title：Archives of microbiology

authors： Santos T,Nombela C,Villanueva JR,Larriba G

更新日期：1979-06-01 00:00:00

abstract：:The applicability of flow-microfluorometer to separate microbial cells was demonstrated with algal and bacterial cells. Algal mixtures were sorted according to the natural chlorophyll fluorescence and the bacterial mixtures were sorted according to the fluorescence of ethidium bromide-stained nucleic acid. ...

journal_title：Archives of microbiology

authors： Paau AS,Cowles JR,Oro J,Bartel A,Hungerford E

更新日期：1979-03-12 00:00:00

abstract：:Pseudomonas cepacia grew rapidly using a mixture of all three branched chain amino acids as carbon source, but failed to use individual branched chain amino acids as sole carbon source. Extracts of bacteria grown on branched chain amino acids had between 2- and 3-fold higher levels of alpha-ketoglutarate-dependent bra...

journal_title：Archives of microbiology

authors： Wong HC,Lessie TG

更新日期：1979-03-12 00:00:00

abstract：:The characteristics of an in vitro polyuridylic acid dependent amino acid incorporating system prepared from germinating macroconidia of Microsporum canis are described. The incorporation of 14C-phenylalanine into polyphenylalanine is dependent on S-30 extract, adenosine triphosphate, magnesium ions and polyuridylic a...

journal_title：Archives of microbiology

authors： Jayaram BM,Rao GR

更新日期：1979-01-16 00:00:00

abstract：:When Clostridium formicoaceticum was grown on fumarate or L-malate crude cell extracts contained a high fumarate reductase activity. Using reduced methyl viologen as electron donor the specific activity amounted to 2-3.5 U per mg of protein. Reduced benzyl viologen, FMNH2 and NADH could also serve as electron donors b...

journal_title：Archives of microbiology

authors： Dorn M,Andreesen JR,Gottschalk G

更新日期：1978-10-04 00:00:00

abstract：:The biosynthesis of two flavoproteins, 6-hydroxy-D-nicotine oxidase with covalently bound FAD and 6-hydroxy-L-nicotine oxidase containing non-covalently bound FAD, was studied in wild-type cells and in a riboflavin-requiring mutant of Arthrobacter oxidans. In the mutant cells, the rate of synthesis and the maximal act...

journal_title：Archives of microbiology

authors： Hamm HH,Decker K

更新日期：1978-10-04 00:00:00

abstract：:CO2 is required continuously during germination of Streptomyces viridochromogenes spores. Spores incubated in a defined germination medium in the absence of CO2 remain phase bright and do not release spore carbon. In the presence of CO2, the spores initiate germination accompanied by loss of refractility and spore car...

journal_title：Archives of microbiology

authors： Grund AD,Ensign JC

更新日期：1978-09-01 00:00:00

abstract：:Utilization of D-amino acids being substrates of D-amino acid dehydrogenase of Salmonella typhimurium was examined. The experiments were done with wild type strains and the mutants dadA missing the enzyme activity and dadR in which its synthesis is released from catabolite repression. Growth on D-tryptophan, D-histidi...

journal_title：Archives of microbiology

authors： Wild J,Filutowicz M,Kłopotowski T

更新日期：1978-07-01 00:00:00

abstract：:The catabolic products of arginine metabolism were observed in Aphanocapsa 6308, a unicellular cyanobacterium, by thin layer chromatography of growth media, by limiting growth conditions, and by enzymatic analysis. Of the organic, nitrogenous compounds examined, only arginine supported growth in CO2-free media. The ex...

journal_title：Archives of microbiology

authors： Weathers PJ,Chee HL,Allen MM

更新日期：1978-07-01 00:00:00

abstract：:Besides carotenoids a complex of flexirubin-type pigments was isolated from the gliding bacterium Cytophaga johnsonae Cy jl and separated into 6 components, which partly containe chlorine. In spite of the fact that these components still consist of pigment mixtures, the gross structures of 18 new flexirubin-type pigme...

journal_title：Archives of microbiology

authors： Achenbach H,Kohl W,Wachter W,Reichenbach H

更新日期：1978-06-26 00:00:00

abstract：:Bacteroides succinogenes produces acetate and succinate as major products of carbohydrate fermentation. An investigation of the enzymes involved indicated that pyruvate is oxidized by a flavin-dependent pyruvate cleavage enzyme to acetyl-CoA and CO2. Active CO2 exchange is associated with the pyruvate oxidation system...

journal_title：Archives of microbiology

authors： Miller TL

更新日期：1978-05-30 00:00:00

abstract：:Cadaverin was more readily incorporated than lysine into arthrobactin from Arthrobacter pascens and into ferrioxamin E from Streptomyces glaucescens. From a racemic mixture only the L-isomer of lysine is incorporated. The L-lysine decarboxylase activity was measured in vivo and in vitro. The enzyme from Arthrobacter p...

journal_title：Archives of microbiology

authors： Schafft M,Diekmann H

更新日期：1978-05-30 00:00:00

abstract：:In the fermentation of L-aspartate by a free-living Campylobacter spec., the products formed were acetate, succinate, carbon dioxide and ammonia. The oxidative part of the fermentation pathway yielded acetate, succinate, carbon dioxide and ammonia, and the reductive part gave rise to the formation of succinate and amm...

journal_title：Archives of microbiology

authors： Laanbroek HJ,Lambers JT,de Vos WM,Veldkamp H

更新日期：1978-04-27 00:00:00

abstract：:The molecular weight of the protein moiety of a phospholipoprotein complex isolated from Pseudomonas facilis has been examined with a variety of sodium dodecylsulfate-polyacrylamide gel electrophoretic systems. A molecular weight of 35 000 was determined for the protein in all analyses. A 35 000-dalton protein was pre...

journal_title：Archives of microbiology

authors： Jones RC,McFadden BA

更新日期：1977-10-24 00:00:00

abstract：:Pyruvate kinase (ATP: pyruvate phosphotransferase (EC 2.7.1.40) was partially purified from both autotrophically and heterotrophically grown Paracoccus denitrificans. The organism grown under heterotrophic conditions contains four times more pyruvate kinase than under autotrophic conditions. The enzyme isolated from b...

journal_title：Archives of microbiology

authors： Slabas AR,Whatley FR

更新日期：1977-10-24 00:00:00

abstract：:Temperature dependency of sexual agglutination in Saccharomyces cerevisiae was found. Of 31 strains tested, which showed normal agglutination when cultured at 25 degrees C, 29 strains lost their sexual agglutinability when they were grown at 37 degrees C. ...

journal_title：Archives of microbiology

authors： Doi S,Yoshimura M

更新日期：1977-09-28 00:00:00

abstract：:During the development of fruit bodies of the basidiomycete Schizophyllum commune, the alkali-insoluble (R glucan) and alkali-soluble (S glucan) cell wall fractions are synthesized during the entire course of morphogenesis. The water soluble glucan (WSG) is not synthesized after an early stage. There is also a relativ...

journal_title：Archives of microbiology

authors： Schwalb MN

更新日期：1977-07-26 00:00:00

abstract：:Double immunodiffusion tests were performed with crude extracts from various Micrococcus species and antisera against catalase of Micrococcus luteus CCM 169. Cell-free extracts of M. lylae ATCC 27566 exhibited good cross-reaction. Cell-free extracts or catalase enriched preparations of M. varians reacted very weakly a...

journal_title：Archives of microbiology

authors： Rupprecht M,Schleifer KH

更新日期：1977-07-26 00:00:00

abstract：:After the addition to soil of large numbers of a cowpea Rhizobium strain, the population declined steadily until the numbers reached about 10(7)/g, and the protozoa rose to about 10(4)/g. When indigenous protozoa were suppressed by the addition of actidione to the soil, the density of the test rhizobium did not fall i...

journal_title：Archives of microbiology

authors： Habte M,Alexander M

更新日期：1977-06-20 00:00:00

abstract：:The molar percentages of guanine plus cytosine in the DNA of 51 strains of Simonsiellaceae were determined by buoyant density ultracentrifugation of cell lysates in CsCl. The DNA base ratios ranged from 41-55 mole-% guanine plus cytosine. These values fall within the range known for the Order Cytophagales, the non-fru...

journal_title：Archives of microbiology

authors： Kuhn DA,Gregory DA,Nyby MD,Mandel M

更新日期：1977-06-20 00:00:00

abstract：:Dunaliella tertiolecta (marine) and D. viridis (halophilic) were each trained by serial transfer to grow at salt concentrations previously regarded as the other's domain. D. viridis then had a salt optimum at 1.0-1.5 M sodium chloride whereas that for D. tertiolecta was less than 0-2 M. Nevertheless D. tertiolecta gre...

journal_title：Archives of microbiology

authors： Borowitzka LJ,Kessly DS,Brown AD

更新日期：1977-05-13 00:00:00

abstract：:The mechanism of the massive extracellular production of citric and isocitric acids by Saccharomycopsis lipolytica grown on n-paraffins has been studied. When growth stops, because of nitrogen limitation, the intracellular concentration of ATP sharply rises whereas that of AMP and ADP decreases to a low level. At the ...

journal_title：Archives of microbiology

authors： Marchal R,Vandecasteele JP,Metche M

更新日期：1977-05-13 00:00:00

abstract：:Photosynthesis was measured by the 14C method on natural as well as low light adapted populations of Chloroflexus (a photosynthetic bacterium) and Synechococcus (a blue-green alga) from hot springs in Yellowstone National Park (Wyoming U.S.A.), to test the ability of these phototrophs to photosynthesize at a variety o...

journal_title：Archives of microbiology

authors： Madigan MT,Brock TD

更新日期：1977-05-13 00:00:00