abstract：:The gliding bacterium Herpetosiphon giganteus Hp a2 was shown to contain gamma-carotene, one monoglucosyloxy and two new diglucosyloxy carotenoids with a x-O-acyldiglucosyloxy carotenoid as main component. Flexirubin-like pigments could not be detected in this organism. As in the Myxobacterales and Cytophagales (Klein...

journal_title：Archives of microbiology

authors： Kleinig H,Reichenbach H

更新日期：1977-04-01 00:00:00

abstract：:Polysomes were isolated both from growing gametophytes of Allomyces arbuscula and from gametangia prepared from mycelia at different periods during gametogenesis. Analysis of polysomes by sucrose gradients showed that ribosomes present in the gametangia monosome pool were shifted into polysomes. This shift was found t...

journal_title：Archives of microbiology

authors： Fähnrich P

更新日期：1977-04-01 00:00:00

abstract：:Beta-Lactamase (penicillinase) activity was found in a number of strains of blue-green algea. In some cases, this enzyme permitted algae to overcome the inhibitory effects of penicillin. Production and localization of beta-lactamase were studied in a unicellular species, Coccochloris elabens (strain 7003), and in a fi...

journal_title：Archives of microbiology

authors： Kushner DJ,Breuil C

更新日期：1977-03-01 00:00:00

abstract：:The utilization of carnitine and carnitine derivatives (O-acylcarnitines, carnitine carboxylderivatives) and structure-related trimethylammonium-compounds (betaines and nitrogen-bases) by Acinetobacter calcoaceticus was studied by means of the control of growth and the quantitative detection of metabolites. The strain...

journal_title：Archives of microbiology

authors： Kleber H-P,Seim H,Aurich H,Strack E

更新日期：1977-03-01 00:00:00

abstract：:For the low molecular weight laccases II and III of Podospora anserina the kinetic parameters Michaelis constant (KM) and maximum reaction velocity (V) were determined polarographically under pH optimum conditions for representative substrates of different substitution patterns. Laccase II showed two peaks in its pH o...

journal_title：Archives of microbiology

authors： Hoffmann P,Esser K

更新日期：1977-02-04 00:00:00

abstract：:The synthesis of the luminous system of the marine luminous bacterium Photobacterium fischeri is subject to a complex, self-regulated control system called autoinduction. The bacteria produce an autoinducer which accumulates in the medium at a constant rate (as a function of cell growth). When autoinducer reaches a cr...

journal_title：Archives of microbiology

authors： Nealson KH

更新日期：1977-02-04 00:00:00

abstract：:Glutamine synthetase (GS) activity of Schizosaccharomyces pombe 972 was high in ammonia-limited cultures, low in phosphate- and sulphate-limited cultures and not detected in glucose-limited cultures. When ammonia was 'pulsed' into an ammonia-limited culture then GS activity decreased at a rate faster than that calcula...

journal_title：Archives of microbiology

authors： van Andel JG,Brown CM

更新日期：1977-01-11 00:00:00

abstract：:The spectroscopic properties of stigma inside green and dark-grown cells and of isolated stigma globules have been studied by means of a microspectrophotometer build in the Laboratory. On the base of these results and of the analysis of the absorption spectra of a stigma suspension, cell suspension and the cell methan...

journal_title：Archives of microbiology

authors： Benedetti PA,Bianchini G,Checcucci A,Ferrara R,Grassi S

更新日期：1976-12-01 00:00:00

abstract：:The sphere-rod-sphere morphology cycle of Arthrobacter crystallopoietes was accompanied by changes in the rate of growth and the rates of DNA, RNA and protein synthesis. The patterns of macromolecule synthesis resembled those found in other bacteria during a step-up followed by a step-down in growth rate. During the s...

journal_title：Archives of microbiology

authors： St John AC,Ensign JC

更新日期：1976-12-01 00:00:00

abstract：:Autotrophic cultures of the facultative chemolithotroph Alcaligenes eutrophus have been found to excrete glycollate. This excretion was greatly stimulated by the incorporation of up to 20% (v/v) oxygen in the hydrogen used for gassing. The stimulatory effect of oxygen was prevented by the addition of 10% (v/v) CO2 to ...

journal_title：Archives of microbiology

authors： Codd GA,Bowien B,Schlegel HG

更新日期：1976-11-02 00:00:00

abstract：:An Arthrobacter sp. growing on 4-Chlorobenzoic acid as its sole source of carbon excretes 4-hydroxygenzoic acid and protocatechuic acid into the culture medium. Protocatechuic acid is further attacked by "meta"-cleavage. During growth of the Arthrobacter sp. on benzoic acid cis-cis muconic acid can be isolated from th...

journal_title：Archives of microbiology

authors： Ruisinger S,Klages U,Lingens F

更新日期：1976-11-02 00:00:00

abstract：:Studies are presented of the biliproteins of Anabaena sp. This filamentous cyanobacterium contains three major biliproteins. Whereas two of these, C-phycocyanin and allophycocyanin, are common to all cyanobacteria, the third, phycoerythrocyanin (gammamax approximately 568 nm) has hitherto not been described and its di...

journal_title：Archives of microbiology

authors： Bryant DA,Glazer AN,Eiserling FA

更新日期：1976-10-11 00:00:00

abstract：:Reciprocal qualitative and quantitative immunological experiments employing an anti-Pediococcus cerevisiae aldolase serum confirmed many of the interspecific relationships demonstrated previously among lactic acid bacteria with antisera prepared against the Streptococcus faecalis fructose diphosphate aldolase. The ext...

journal_title：Archives of microbiology

authors： London J,Chace NM

更新日期：1976-10-11 00:00:00

abstract：:N-Formylmaleamic acid, a probable intermediate in the bacterial metabolism of nicotinic acid, has been synthesized by photoisomerization of its trans isomer, N-formylfumaramic acid. The compound previously reported to be N-formylmaleamic acid has been shown to be N-formylfumaramic acid. ...

journal_title：Archives of microbiology

authors： Behrman EJ

更新日期：1976-10-11 00:00:00

abstract：:An unique isotope labelling experiment was conducted whereby mixtures of sulfate and sulfite of different isotopic compositions were metabolized by Clostridium pasteurianum. The results showed during reduction of 1 mM SO3= plus 1 mM SO4=, essentially all evolved H2S arose from the sulfite whereas in the case of cellul...

journal_title：Archives of microbiology

authors： McCready RG,Laishley EJ,Krouse HR

更新日期：1976-09-01 00:00:00

abstract：:Under starvation conditions, rhodopsin-containing halobacteria show a light-accelerated death under aerobic conditions. This is attributed to photooxidative processes. Under anaerobic conditions, halobacteria die rapidly in the dark, and light prevents death. Since it has been shown by others that lightdriven ATP synt...

journal_title：Archives of microbiology

authors： Brock TD,Petersen S

更新日期：1976-08-01 00:00:00

abstract：:Purple sulfur bacterium Thiocapsa roseopersicina strain BBS requiring vitamin B12 may grow in the dark in media containing no other organic compounds. Under such conditions the cells oxidize sulfide and thiosulfate with the use of O2 and assimilate carbon dioxide. After 10--30s assimilation of NaH14CO3 about 60% of ra...

journal_title：Archives of microbiology

authors： Kondratieva EN,Zhukov VG,Ivanovsky RN,Petushkova UP,Monosov EZ

更新日期：1976-07-01 00:00:00

abstract：:The time dependent assembly of the photosynthetic apparatus was studied in Rhodospirillum rubrum after transfer of cells growing aerobically in the dark to low aeration. While bacteriochlorophyll (Bchl) cellular levels increase continuously levels of soluble cytochrome C2 do not change significantly. Absorption spectr...

journal_title：Archives of microbiology

authors： Oelze J,Pahike W

更新日期：1976-07-01 00:00:00

abstract：:Of 147 microorganisms isolated from a loamy sand, 71 showed good growth with lindane (gamma-1,2,3,4,5,6-hexachlorocyclohexane) and produced chloride in an aqueous medium. Thirteen soil microorganisms were selected to study the utilization of lindane. Lindane was metabolized by the microbes to gamma-2,3,4,5,6-pentachlo...

journal_title：Archives of microbiology

authors： Tu CM

更新日期：1976-07-01 00:00:00

abstract：:1. Culture filtrates of heterotrophic bacteria were tested for their stimulatory effect on nitrification of three strains of Nitrobacter. 2. Yeast extract-peptone solution, in which Pseudomonas fluorescens had grown, after removal of the cells was added to autotrophically growing cultures of Nitrobacter agilis; it cau...

journal_title：Archives of microbiology

authors： Steinmüller W,Bock E

更新日期：1976-07-01 00:00:00

abstract：:1. An already published test method for detecting bactericidal substances in paper chromatograms was further improved. 2. In cultures of Cosmarium impressulum free from bacteria, two bactericidal substances were found in the ether extracts from the algae and two others in the extracts of the culture medium. The are ac...

journal_title：Archives of microbiology

authors： Söding H,Dörffling K,Mix M

更新日期：1976-06-01 00:00:00

abstract：:An ammonia-oxidizing, autotroph growing, slender, curved rod was isolated from the soil of Hawaii. It is well distinguishable from any other nitrifying bacteria thus far described by their morphology. The cells are 1.1-3.0 mum long and 0.3-0.4 mum wide. They are motile by means of 1-4 subpolar to lateral flagella. In ...

journal_title：Archives of microbiology

authors： Harms H,Koops HP,Wehrmann H

更新日期：1976-05-03 00:00:00

abstract：:The alpha-glucosidase (alpha-D-glucoside glucohydrolase, EC 3.2.1.20) of Pseudomonas fluorescens W was partially purified by (NH4)2SO4 fractionation, Sephadex G-200 and DEAE-cellulose column chromatography. The enzyme showed great specificity for maltose hydrolysis, with very little action against polymeric forms. Suc...

journal_title：Archives of microbiology

authors： Guffanti AA,Corpe WA

更新日期：1976-04-01 00:00:00

abstract：:The radiation resistant bacteria Micrococcus radiophilus and M. radioproteolyticus were studied by thin sectioning and freez-etching techniques and the two species were found to be similar in the fine structure. The only significant difference was in the appearance of the surfaces of the cell walls in freeze-etched pr...

journal_title：Archives of microbiology

authors： Sleytr UB,Silva MT,Kocur M,Lewis NF

更新日期：1976-04-01 00:00:00

abstract：:Mutants resistance to various combinations of threonine, lysine and/or their analogs were obtained and characterized in Pseudomonas acidovorans. In particular, mutants resistant to aminoethylcysteine had a dihydrodipicolinate synthetase insensitive to lysine inhibition whereas mutants resistant to threonine plus a low...

journal_title：Archives of microbiology

authors： Thevenet NJ,Vandecasteele JP

更新日期：1976-03-19 00:00:00

abstract：:The free tryptophan pool and the levels of two enzymes of tryptophan biosynthesis (anthranilate synthase and indoleglycerolphosphate synthase)have been determined in a wild type strain of Saccharomyces cerevisiae and in mutants with altered regulatory properties. ...

journal_title：Archives of microbiology

authors： Fantes PA,Roberts LM,Huetter R

更新日期：1976-03-19 00:00:00

abstract：:The marine bacterium Vibrio psychoerythrus, an obligate psychrophile, contains uniformly dense rod-shaped organelles 10-15 nm wide and up to 1.3 mum long. These structures were frequently seen crossing the septum of dividing cells. ...

journal_title：Archives of microbiology

authors： D'Aoust JY,Kushner DJ

更新日期：1976-02-01 00:00:00

abstract：:This is the first report of intranuclear microfilaments within gametangial nuclei of oömycetous fungi. Longitudinal sections of four to six microfilaments were frequently observed in meiotic antheridial nuclei of Achlya ambisexualis. Each microfilament measured approximately 7--10 nm in diameter. Spindle tubules (25 n...

journal_title：Archives of microbiology

authors： Ellzey J,Huizar E,Yanez D

更新日期：1976-02-01 00:00:00

abstract：:The synthesis of RNA was studied during the synchronous germination of Blastocladia ramosa zoospores. Comparison of RNA synthesis during germination of B. ramosa and Blastocladiella emersonii zoospores revealed that B. ramosa has a longer lag time before RNA synthesis is initiated and, in addition, the rate of RNA syn...

journal_title：Archives of microbiology

authors： Jaworski AJ,Torzilli AP

更新日期：1975-12-31 00:00:00

abstract：:The synthesis of beta-glucanase either by cells or by protoplasts of the yeast Pichia polymorpha has been found to occur in the presence of 2-deoxy-D-glucose in the growth medium. On the other hand, the synthesis of typical extracellular proteins such as invertase and acid phosphatase is strongly affected by the prese...

journal_title：Archives of microbiology

authors： Villa TG,Notario V,Villanueva JR

更新日期：1975-11-07 00:00:00

abstract：:L-(+)-lactate dehydrogenase (LDH) from Staphylococcus epidermidis ATCC 14990 was purified by affinity chromatography. The purified enzyme was specifically activated by fructose-1,6-diphosphate (FDP). The concentration of FDP required for 50% maximal activity was about 0.15 mM. The enzyme activity was inhibited by aden...

journal_title：Archives of microbiology

authors： Götz F,Schleifer KH

更新日期：1975-11-07 00:00:00

abstract：:A fromaldehyde oxidase activity was found in cellfree extracts of methanol-grown yeast Candida boidinii. Loss of alcohol oxidase activity in a mutant, 48, led to loss of the formaldehyde oxidase activity, indicating that the same enzyme is probably responsible for both activities. This could be demonstrated with the p...

journal_title：Archives of microbiology

authors： Sahm H

更新日期：1975-10-27 00:00:00

abstract：:Cells of the yeast Saccharomycopsis capsularis fused in pairs after disolving of part of the cross wall between them near the lateral wall. After nuclear migrations through the opening, the cross wall was closed again and the cells at both sides became asci. The wall of the ascospores developed from a prospore wall. B...

journal_title：Archives of microbiology

authors： Kreger-van RIJ NJ,Veenhuis M

更新日期：1975-08-28 00:00:00

abstract：:The development of peritrichous flagella and, consequently, swarming of Vibrio alginolyticus depend on a complex relationship between temperature, salt concentrations and pH. At temperatures above 28 degrees C V. alginolyticus did not develop peritrichous flagella unless certain minimal concentrations of NaCl are pres...

journal_title：Archives of microbiology

authors： Ulitzur S

更新日期：1975-08-28 00:00:00

abstract：:Carbon-14 was incorporated into oxalate and CO2 from either citrate-1,5-14C, succinate-1,4-14C, or fumarate-1,4-14C by cultures of Aspergillus niger pregrown on a medium which contained glucose as the sole carbon source and which did not allow citrate accumulation. In cell-free extracts of mycelium forming oxalate and...

journal_title：Archives of microbiology

authors： Müller HM,Frosch S

更新日期：1975-06-22 00:00:00

abstract：:In studies on the membranlytic action of various saponins on mycelium of Botrytis cinerea and Rhizoctonia solani digitonin, alpha-hederin and tomatin caused considerable leakage of free amino acids, while aescin and theasaponin were less effective. Cyclamin significantly damaged cell membranes of R. solani, but did no...

journal_title：Archives of microbiology

authors： Segal R,Schlösser E

更新日期：1975-06-22 00:00:00

abstract：:Both the changes in the activities of nitrogenase, glutamine synthetase and glutamate dehydrogenase and in the extracellular and intracellular NH4+ concentrations were investigated during the transition from an NH4+ free medium to one containing NH4+ ions for a continuous culture of Azotobacter vinelandii. If added in...

journal_title：Archives of microbiology

authors： Kleiner D

更新日期：1975-06-22 00:00:00

abstract：:1. The daily progress of NADP-linked GPD-activity rise in synchronous culture of Ankistrodesmus braunii was investigated in respect to short time increase of activity by light. After various exposure times cells were temporarily deprived of light and subsequently the so-called dark value as well as the light value (da...

journal_title：Archives of microbiology

authors： Theiss-Seuberling HB

更新日期：1975-06-22 00:00:00

abstract：:NAD-linked lactate dehydrogenases specific for the D- and L-lactate have been demonstrated in a number of strains of unicellular cyanobacteria. The D-lactate dehydrogenase of one strain (Synechococcus 6716) was partially purified and its properties were studied. The enzyme has a molecular weight of ca. 115000-120000...

journal_title：Archives of microbiology

authors： Sanchez JJ,Palleroni NJ,Doudoroff M

更新日期：1975-06-20 00:00:00

abstract：:Chlorella fusca, strain 211-15, cells degreened in a nitrogen-deficient mineral growth medium in the light for 4-6 weeks were regreened for up to 24 hrs in a nitrogen rich medium that leads to synchronous cell division at 24-26 hrs. Structural changes in the plastid membranes during the regreening period were observed...

journal_title：Archives of microbiology

authors： Pyliotis NA,Goodchild DJ

更新日期：1975-05-05 00:00:00