The role of calcium in stalk development and in phosphate acquisition in Caulobacter crescentus.

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：:Microorganisms have evolved themselves to thrive under various extreme environmental conditions such as extremely high or low temperature, alkalinity, and salinity. These microorganisms adapted several metabolic processes to survive and reproduce efficiently under such extreme environments. As the major proportion of ...

journal_title：Archives of microbiology

authors： Dhaulaniya AS,Balan B,Kumar M,Agrawal PK,Singh DK

更新日期：2019-01-01 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：:Carotenogenic mutants of Corynebacterium glutamicum were analyzed for their carotenoid content. Mutant MV10 accumulated the same carotenoids as the wild-type, decaprenoxanthin, decaprenoxanthin monoglucoside, and (2R,6R,2'R,6'R)-decaprenoxanthin di-(beta-D)-glucoside, but in three-fold higher amounts. In addition, dec...

journal_title：Archives of microbiology

authors： Krubasik P,Takaichi S,Maoka T,Kobayashi M,Masamoto K,Sandmann G

更新日期：2001-09-01 00:00:00

abstract：:With primers designed for the conserved region of the gamma-butyrolactone autoregulator receptor proteins from Streptomyces species, PCR using the Streptomyces clavuligerus genome DNA as a template gave a clear band of 100 bp, the sequence of which revealed high similarity to the expected region of a receptor gene. By...

journal_title：Archives of microbiology

authors： Kim HS,Lee YJ,Lee CK,Choi SU,Yeo SH,Hwang YI,Yu TS,Kinoshita H,Nihira T

更新日期：2004-09-01 00:00:00

abstract：:Synthetic biology, the design and synthesis of synthetic biological systems from DNA to whole cells, has provided us with the ultimate tools for space exploration and colonisation. Herein, we explore some of the most significant advances and future prospects in the field of synthetic biology, in the context of astrobi...

journal_title：Archives of microbiology

authors： Sleator RD,Smith N

更新日期：2019-08-01 00:00:00

abstract：:Yeast suffers from a variety of environmental stresses, such as osmotic pressure and ethanol produced during fermentation. Since calcium ions are protective for high concentrations of ethanol, we investigated whether Ca(2+) flux occurs in response to ethanol stress. We find that exposure of yeast to ethanol induces a ...

journal_title：Archives of microbiology

authors： Courchesne WE,Vlasek C,Klukovich R,Coffee S

更新日期：2011-05-01 00:00:00

abstract：:P1B-type ATPases are involved in heavy metal transport across the plasma membrane. Some Mycobacterium tuberculosis P-type ATPases are induced during infection, suggesting that this type of transporter could play a critical role in mycobacterial survival. To date, the ion specificity of M. tuberculosis heavy metal-tran...

journal_title：Archives of microbiology

authors： López M,Quitian LV,Calderón MN,Soto CY

更新日期：2018-04-01 00:00:00

abstract：:Nitrogen (N) is among the most important macro-nutrients significantly affecting plant growth and yield production. Accordingly, N must be supplied adequately so that optimum amounts of yield are resulted. There are different ways of supplying N to the plant including the use of chemical and biological fertilization. ...

journal_title：Archives of microbiology

authors： Miransari M

更新日期：2011-02-01 00:00:00

abstract：:The biosynthesis of the beta-glucosidase enzyme was studied in a transformed yeast obtained by cloning in Saccharomyces cerevisiae the structural gene coding for beta-glucosidase in Kluyveromyces fragilis. The enzyme biosynthesis was found to be non-adaptative, and repressed by glucose. These features are similar to t...

journal_title：Archives of microbiology

authors： Leclerc M,Chemardin P,Arnaud A,Ratomahenina R,Galzy P,Gerbaud C,Raynal A

更新日期：1986-11-01 00:00:00

abstract：:Soils are rich in organics, particularly those that support the growth of plants. These organics are possible sources of sustainable energy, and a microbial fuel cell (MFC) system can potentially be used for this purpose. In this, the soil organic content expelled from plant root was possibly converted into electrical...

journal_title：Archives of microbiology

authors： Kamaraj Y,Punamalai G,Kandasamy S,Kasinathan K

更新日期：2020-10-01 00:00:00

abstract：:The fine structure of the Gram-negative filamentous gliding bacterium, Herpetosiphon is described. The outer membrane of the cell envelope could not be resolved as a separate structure, probably because it is fused with the underlying dense (peptidoglycan) layer. There was an additional wall layer outside this membran...

journal_title：Archives of microbiology

authors： Reichenbach H,Golecki JR

更新日期：1975-03-10 00:00:00

abstract：:Cryptococcosis is a common opportunistic infection in patients with advanced HIV infection and may also affect immunocompetent patients. The available antifungal agents are few and other options are needed for the cryptococcosis treatment. In this work, we first analyzed the virulence of twelve C. neoformans and C. ga...

journal_title：Archives of microbiology

authors： de Castro Spadari C,da Silva de Bastiani FWM,Pisani PBB,de Azevedo Melo AS,Ishida K

更新日期：2020-05-01 00:00:00

abstract：:Inhibitor studies and mutant analysis revealed a C(30) pathway via 4,4'-diapophytoene and 4,4'-diaponeurosporene to 4,4'-diaponeursoporene-4-oic acid esters related to staphyloxanthin in Halobacillus halophilus. Six genes may be involved in this biosynthetic pathway and could be found in two adjacent gene clusters. Tw...

journal_title：Archives of microbiology

authors： Köcher S,Breitenbach J,Müller V,Sandmann G

更新日期：2009-02-01 00:00:00

abstract：:Purified flagellar filaments isolated from six methanogens were composed of multiple flagellins. Two flagellins were present in Methanococcus deltae (Mr = 34,000 and 32,000), Methanoculleus marisnigri (Mr = 31,000 and 25,500) and Methanococcus jannaschii (Mr = 31,000 and 27,500), three in Methanothermus fervidus (Mr =...

journal_title：Archives of microbiology

authors： Kalmokoff ML,Koval SF,Jarrell KF

更新日期：1992-01-01 00:00:00

abstract：:A LD-carboxypeptidase from Escherichia coli K 12 was isolated by Tris-EDTA treatment and purified to electrophoretic homogeneity by DEAE-cellulose chromatography. The enzyme has a molecular weight of approximately 12,000 as determined by sodium dodecyl sulfate-polyacrylamide electrophoresis and by Sephadex G-100 gel f...

journal_title：Archives of microbiology

authors： Metz R,Henning S,Hammes WP

更新日期：1986-03-01 00:00:00

abstract：:Methanotrophs are ubiquitous in the environment and play an important role in mitigating global warming due to methane. They are also potentially interesting for industrial applications such as production of bulk chemicals or bioremediation. The first step in the oxidation of methane is the conversion to methanol by m...

journal_title：Archives of microbiology

authors： Murrell JC,Gilbert B,McDonald IR

更新日期：2000-05-01 00:00:00

abstract：:1. With fumarate as the terminal electron acceptor and either H2 or formate as donor, Vibrio succinogenes could grow anaerobically in a mineral medium using fumarate as the sole carbon source. Both the growth rate and the cell yield were increased when glutamate was also present in the medium. 2. Glutamate was incorpo...

journal_title：Archives of microbiology

authors： Bronder M,Mell H,Stupperich E,Kröger A

更新日期：1982-05-01 00:00:00

abstract：:YfkE, a protein from Bacillus subtilis, exhibits homology to the Ca(2+):Cation Antiporter (CaCA) Family. In a fluorescence-based assay of everted membrane vesicles prepared from Na(+)(Ca(2+))/H(+) antiporter-defective mutant Escherichia coli KNabc, YfkE exhibited robust Ca(2+)/H(+) antiport activity, with a K (m) for ...

journal_title：Archives of microbiology

authors： Fujisawa M,Wada Y,Tsuchiya T,Ito M

更新日期：2009-08-01 00:00:00

abstract：:In the conversion of quinolinic acid to 6-hydroxypicolinic acid by whole cells of Alcaligenes sp. strain UK21, the enzyme reactions involved in the hydroxylation and decarboxylation of quinolinic acid were examined. Quinolinate dehydrogenase, which catalyzes the first step, the hydroxylation of quinolinic acid, was so...

journal_title：Archives of microbiology

authors： Uchida A,Ogawa M,Yoshida T,Nagasawa T

更新日期：2003-08-01 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：: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：:The diversity among 45 cyanobacterial isolates from 11 different Gunnera species originating from different geographical areas was examined. By means of polymerase chain reaction (PCR) fingerprinting with short tandemly repeated repetitive (STRR) sequences as primers, ten groups of symbiotic cyanobacteria and five uni...

journal_title：Archives of microbiology

authors： Nilsson M,Bergman B,Rasmussen U

更新日期：2000-02-01 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：:Saccharomyces cerevisiaepresents two alternative vegetative forms of growth, switching between yeast forms to pseudohyphal forms depending on the specific environmental conditions. To identify genes involved in cell wall morphogenesis, a haploid S. cerevisiae monomorphic mutant, W27, which exhibits pseudohyphal growth...

journal_title：Archives of microbiology

authors： Cañizares JV,Pallotti C,Saínz-Pardo I,Iranzo M,Mormeneo S

更新日期：2002-04-01 00:00:00

abstract：:Anguibactin, an important virulent factor in Vibrio anguillarum serotype O1, is synthesized by a nonribosomal peptide synthetases (NRPS) system encoded on a 65-kb virulence plasmid pJM1. angE, as one of the NRPS genes, is responsible for selecting and activating 2,3-dihydroxybenzoic acid (2,3-DHBA), an important precu...

journal_title：Archives of microbiology

authors： Liu Q,Ma Y,Wu H,Shao M,Liu H,Zhang Y

更新日期：2004-04-01 00:00:00

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：:Helcococcus kunzii is a gram-positive, catalase-negative opportunist. The organism has been isolated from the lower extremities and breast masses of several patients. A clinical isolate of Helcococcus kunzii was shown to possess a hemagglutinin-lectin with a specificity for N-acetylglucosamine and lactose, two structu...

journal_title：Archives of microbiology

authors： Stavri H,Beveridge TJ,Moyles D,Athamna A,Doyle RJ

更新日期：2002-02-01 00:00:00

abstract：:Present study attempts in revealing taxonomic and functional diversity of microorganism from petroleum muck using metagenomics approach. Using Ion Torrent Personal Genome Machine, total of 249 Mb raw data were obtained which was analysed using MG-RAST platform. The taxonomic analysis revealed predominance of Proteobac...

journal_title：Archives of microbiology

authors： Joshi MN,Dhebar SV,Dhebar SV,Bhargava P,Pandit A,Patel RP,Saxena A,Bagatharia SB

更新日期：2014-08-01 00:00:00