The bifunctional enzyme chitosanase-cellulase produced by the gram-negative microorganism Myxobacter sp. AL-1 is highly similar to Bacillus subtilis endoglucanases.

abstract：:Type I signal peptidases are responsible for the proteolytic cleavage of the signal peptide of secreted proteins. In the gram-positive bacterium Streptomyces lividans, four adjacent genes (sipW, sipX, sipY and sipZ) were isolated encoding putative type I signal peptidases. In this work, the different sip genes were cl...

journal_title：Archives of microbiology

authors： Geukens N,Parro V,Rivas LA,Mellado RP,Anné J

更新日期：2001-11-01 00:00:00

abstract：:The Sinorhizobium fredii HH103 rkp-1 region, which is involved in capsular polysaccharide (KPS) biosynthesis, is constituted by the rkpU, rkpAGHIJ, and kpsF3 genes. Two mutants in this region affecting the rkpA (SVQ536) and rkpI (SVQ538) genes were constructed. Polyacrylamide gel electrophoresi...

journal_title：Archives of microbiology

authors： Margaret-Oliver I,Lei W,Parada M,Rodríguez-Carvajal MA,Crespo-Rivas JC,Hidalgo Á,Gil-Serrano A,Moreno J,Rodríguez-Navarro DN,Buendía-Clavería A,Ollero J,Ruiz-Sainz JE,Vinardell JM

更新日期：2012-02-01 00:00:00

abstract：:Serine (Ser)/threonine (Thr) or tyrosine (Tyr) protein kinases in eukaryotes contain RDxKxxN or RDx(A/R)A(A/R)N sequences, respectively, in the catalytic loop. Myxococcus xanthus DspB is a dual-specificity kinase that contains an atypical sequence, RDVAQKN, in the catalytic loop. The DspB mutant (A165K), which contain...

journal_title：Archives of microbiology

authors： Kimura Y,Urata M

更新日期：2016-04-01 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：:Escherichia coli, Salmonella enterica, Klebsiella pneumoniaeand Klebsiella oxytocawere found to contain two D-tagatose 1,6-bisphosphate (TagBP)-specific aldolases involved in catabolism of galactitol (genes gatY gatZ) and of N-acetyl-galactosamine and D-galactosamine (genes kbaY kbaZ,also called agaY agaZ). The two al...

journal_title：Archives of microbiology

authors： Brinkkötter A,Shakeri-Garakani A,Lengeler JW

更新日期：2002-05-01 00:00:00

abstract：:Strain YIM B00363T, a Gram-positive, aerobic, non-motile, rod-shaped, spore-forming bacterium, was isolated from saline soil samples collected from a salt lake in Xinjiang province, north-west China, and was characterized using a polyphasic approach. The optimum growth temperature was 37 °C and the optimum pH was 7.5-...

journal_title：Archives of microbiology

authors： Yang L,Huang HW,Wang Y,Kou YR,Yin M,Li Y,Wang XQ,Zhao GF,Zhu WY,Tang SK

更新日期：2021-01-01 00:00:00

abstract：:An unidentified filamentous purple bacterium, probably belonging to a new genus or even a new family, is found in close association with the filamentous, mat-forming cyanobacterium Microcoleus chthonoplastes in a hypersaline pond at Guerrero Negro, Baja California Sur, Mexico, and in Solar Lake, Sinai, Egypt. This or...

journal_title：Archives of microbiology

authors： D'Amelio ED,Cohen Y,Des Marais DJ

更新日期：1987-01-01 00:00:00

abstract：:Effects of different flavonoids on various bacterial strains have been extensively reported; however, the mechanism(s) of their action on bacterial cells remain largely elusive. In this study, the antibacterial mechanism of soybean isoflavone (SI) on Staphylococcus aureus is systematically investigated using 4'6-diami...

journal_title：Archives of microbiology

authors： Wang Q,Wang H,Xie M

更新日期：2010-11-01 00:00:00

abstract：:Triacylglycerol granules synthesized and accumulated by Rhodococcus opacus and Rhodococcus ruber were isolated by glycerol density gradient centrifugation. Whereas only one type of granule could be isolated from R. opacus, two types of granules with different specific densities were isolated from R. ruber. Both types ...

journal_title：Archives of microbiology

authors： Kalscheuer R,Wältermann M,Alvarez M,Steinbüchel A

更新日期：2001-12-01 00:00:00

abstract：:Respiratory NADH oxidation in the rumen bacterium Prevotella bryantii is catalyzed by the Na+-translocating NADH:quinone oxidoreductase (NQR). A method for cell disruption and membrane isolation of P. bryantii under anoxic conditions using the EmulisFlex-C3 homogenizer is described. We compared NQR activity and protei...

journal_title：Archives of microbiology

authors： Schleicher L,Fritz G,Seifert J,Steuber J

更新日期：2020-07-01 00:00:00

abstract：:The bacteriocinogenic strain of Enterococcus faecalis EJ97 has been isolated from municipal waste water. It produces a cationic bacteriocin (enterocin EJ97) of low molecular mass (5,340 Da) that is very stable under mild heat conditions and is sensitive to proteolytic enzymes. The amino acid sequence of the first 18 N...

journal_title：Archives of microbiology

authors： Gálvez A,Valdivia E,Abriouel H,Camafeita E,Mendez E,Martínez-Bueno M,Maqueda M

更新日期：1998-12-01 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：:Rather recently it has become clear that prokaryotes (Archaea and Bacteria) are able to glycosylate proteins. A literature survey revealed the different types of glycoproteins. They include mainly surface layer (S-layer) proteins, flagellins, and polysaccharide-degrading enzymes. Only in a few cases is structural info...

journal_title：Archives of microbiology

authors： Moens S,Vanderleyden J

更新日期：1997-09-01 00:00:00

abstract：:Saccharomyces cerevisiae mutants unable to grow at ethanol concentrations at which the wild type strain S288C does grow, have been isolated. Some of them show additional phenotypic alterations in colony size, temperature sensitivity and viability in ethanol, which cosegregate with the growth sensitivity in ethanol. 21...

journal_title：Archives of microbiology

authors： Aguilera A,Benítez T

更新日期：1986-01-01 00:00:00

abstract：:Two genes, aphE and orf, coding for putative Mr 29,000 and Mr 31,000, proteins respectively, were identified in the nucleotide sequence of a 2.8 kbp DNA segment cloned from Streptomyces griseus N2-3-11. The aphE gene expressed streptomycin (SM) resistance and a SM phosphorylating enzyme in S. lividans strains. The two...

journal_title：Archives of microbiology

authors： Heinzel P,Werbitzky O,Distler J,Piepersberg W

更新日期：1988-01-01 00:00:00

abstract：:Stress resistance and fermentative capability are important quality characteristics of baker's yeast. In the present study, we examined protective effects of exogenous alpha-ketoglutarate (AKG), an intermediate of the tricarboxylic acid cycle and amino acid metabolism, against freeze-thaw and carbohydrate-induced stre...

journal_title：Archives of microbiology

authors： Bayliak MM,Hrynkiv OV,Knyhynytska RV,Lushchak VI

更新日期：2018-01-01 00:00:00

abstract：:The pathway construction and allosteric regulation of phenylalanine and tyrosine biosynthesis was examined in Neisseria gonorrhoeae. A single 3-deoxy-D-arabino-heptulosonate 7-phosphate (DAHP) synthase enzyme sensitive to feedback inhibition by L-phenylalanine was found. Chorismate mutase and prephenate dehydratase ap...

journal_title：Archives of microbiology

authors： Berry A,Jensen RA,Hendry AT

更新日期：1987-01-01 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：:Recently, it was proposed that some antibiotics stimulate the production of reactive oxygen species (ROS), which contribute to cell death. Later, other research groups have provided arguments against ROS-mediated killing of bacteria by antibiotics. At present, there remain a number of unanswered questions in understan...

journal_title：Archives of microbiology

authors： Smirnova G,Muzyka N,Lepekhina E,Oktyabrsky O

更新日期：2016-11-01 00:00:00

abstract：:Mycoplasma pneumoniae and Mycoplasma genitalium are important causative agents of infections in humans. Like all other mycoplasmas, these species possess genomes that are significantly smaller than that of other prokaryotes. Moreover, both organisms possess an exceptionally compact set of DNA recombination and repair-...

journal_title：Archives of microbiology

authors： Hakim MS,Annisa L,Jariah ROA,Vink C

更新日期：2020-09-24 00:00:00

abstract：:Gene probe hybridization was used to determine distribution and expression of co-metabolic genes at a contaminated site as it underwent in situ methanotrophic bioremediation of trichloroethylene (TCE). The bioremediation strategies tested included a series of air, air:methane, and air:methane:nutrient pulses of the te...

journal_title：Archives of microbiology

authors： Hazen TC,Chakraborty R,Fleming JM,Gregory IR,Bowman JP,Jimenez L,Zhang D,Pfiffner SM,Brockman FJ,Sayler GS

更新日期：2009-03-01 00:00:00

abstract：:During a screening program intended to identify genes encoding enzymes typical for secondary metabolism in Sorangium cellulosum So ce90, an aromatic amino acid decarboxylase gene (ddc) was detected. Expression of ddc in Escherichia coli and subsequent enzyme assays with cell-free extracts confirmed the proposed functi...

journal_title：Archives of microbiology

authors： Müller R,Gerth K,Brandt P,Blöcker H,Beyer S

更新日期：2000-04-01 00:00:00

abstract：:The prpC and prkC genes encode two proteins with opposing activities, eukaryotic-like protein phosphatase and protein kinase involved in the sporulation and biofilm formation processes. The prpC gene overlaps 3 bp of the prkC gene; prkC is followed by the essential gene, yloQ. The organisation of the prpC, prkC and yl...

journal_title：Archives of microbiology

authors： Iwanicki A,Hinc K,Seror S,Wegrzyn G,Obuchowski M

更新日期：2005-09-01 00:00:00

abstract：:The gut microbiota inhabits the animal intestinal tract, and dysbiosis of the gut microbiota may result in disease. Senecio scandens has pharmaceutical antibacterial activities and is regarded as a broad-spectrum antibiotic in traditional Chinese medicine. Extracts of S. scandens are reported to show strong antimicrob...

journal_title：Archives of microbiology

authors： Yao G,Zhang H,Luo G,Wang Z,Zhao H,Zhang J,Dong Y,Gao Y,Wu S

更新日期：2021-01-04 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：:The present study investigated the endophytic bacterial communities in the seeds of mature, natural common reed (Phragmites australis) and narrowleaf cattail (Typha angustifolia L.). Additionally, seed endophytic bacterial communities were compared with rhizospheric and root endophytic bacterial communities using Illu...

journal_title：Archives of microbiology

authors： Gao T,Shi XY

更新日期：2018-08-01 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

abstract：:The isolated cell wall of Streptomyces griseus 52-1 strain labelled with fluorescein isothiocyanate (FITC) and containing wall-bound autolytic enzyme was lysed as a function of different cations. The autolysis was accelerated by aminoglycoside antibiotics (streptomycin and the structurally closely related neomycin) wh...

journal_title：Archives of microbiology

authors： Szabó I,Penyige A,Barabás G,Barabás J

更新日期：1990-01-01 00:00:00

abstract：:Mycothiol is the predominant thiol in most actinomycetes, including Mycobacterium tuberculosis, and appears to play a role analogous to glutathione, which is not found in these bacteria. The enzymes involved in mycothiol biosynthesis are of interest as potential targets for new drugs directed against tuberculosis. In ...

journal_title：Archives of microbiology

authors： Koledin T,Newton GL,Fahey RC

更新日期：2002-11-01 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