Quorum sensing systems, related virulence factors, and biofilm formation in Pseudomonas aeruginosa isolated from fish.

abstract：:DNA sequence analysis of the structural urease genes from Staphylococcus xylosus revealed that three enzyme subunits are encoded in the order of 11,000, 15,400 and 61,000 (mol. mass), which correspond to the single polypeptide chain of jack bean urease (90,800). Comparing the deduced amino acid sequence of S. xylosus ...

journal_title：Archives of microbiology

authors： Jose J,Schäfer UK,Kaltwasser H

更新日期：1994-01-01 00:00:00

abstract：:Pure cultures of an aerobically grown Flavobacterium sp. were shown by hydride generation-cold trap-atomic absorption spectrometry to biomethylate inorganic antimony (III) supplied as potassium antimony tartrate. Growth inhibition of the Flavobacterium sp. by antimony (III) over the range 0-30 mg Sb l(-1) was assessed...

journal_title：Archives of microbiology

authors： Jenkins RO,Forster SN,Craig PJ

更新日期：2002-10-01 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：:Only about one third of humans possess a microbiota capable of transforming the dietary isoflavone daidzein into equol. Little is known about the dietary and physiological factors determining this ecological feature. In this study, the in vitro metabolism of daidzein by faecal samples from four human individuals was i...

journal_title：Archives of microbiology

authors： Decroos K,Vanhemmens S,Cattoir S,Boon N,Verstraete W

更新日期：2005-01-01 00:00:00

abstract：:RpoS, the alternative sigma factor sigma(s), is important for bacterial survival under extreme conditions. Many enterobacteria are opportunistic human pathogens and their ability to survive in a changing environment could be an essential step for their virulence. To determine the presence of this gene in enteric bacte...

journal_title：Archives of microbiology

authors： Martínez-García E,Tormo A,Navarro-Llorens JM

更新日期：2001-06-01 00:00:00

abstract：:Methanolic extract of Artemisia pallens (MEAP) (Asteraceae) was explored as greenbiocorrosion inhibitor for mild steel 1010 in 1.5% sodium chloride environment. Bacillus megaterium SKR7 induces the development of biofilm on the metal surface and forms the pitting corrosion. MEAP was showed (25 ppm) optimum inhibition ...

journal_title：Archives of microbiology

authors： Kokilaramani S,AlSalhi MS,Devanesan S,Narenkumar J,Rajasekar A,Govarthanan M

更新日期：2020-10-01 00:00:00

abstract：:Expression of unnecessary proteins is known to reduce the growth rate of Escherichia coli. This reduction in growth rate, due to the diversion of cellular resources from making essential proteins, is called cost. Cellular resources depend upon the macromolecular content of the cell. Cost phenomenon lies in the process...

journal_title：Archives of microbiology

authors： Malakar P

更新日期：2014-04-01 00:00:00

abstract：:Short-chain aliphatic epoxides and ketones are two classes of toxic organic compounds formed biogenically and anthropogenically. In spite of their toxicity, these compounds are utilized as primary carbon and energy sources or are generated as intermediate metabolites in the metabolism of other compounds (e.g., alkenes...

journal_title：Archives of microbiology

authors： Ensign SA,Small FJ,Allen JR,Sluis MK

更新日期：1998-03-01 00:00:00

abstract：:Colistin is a mixture of polymyxin E1 and E2, bactericidal pentacationic lipopeptides used to treat infections caused by Gram-negative pathogens such as Pseudomonas aeruginosa and Klebsiella pneumoniae. Industrial production of colistin is obtained by a fermentation process of the natural producer Paenibacillus polymy...

journal_title：Archives of microbiology

authors： Tambadou F,Caradec T,Gagez AL,Bonnet A,Sopéna V,Bridiau N,Thiéry V,Didelot S,Barthélémy C,Chevrot R

更新日期：2015-05-01 00:00:00

abstract：:Microbial flavohaemoglobins are proteins with homology to haemoglobins from higher organisms, but clearly linked to nitric oxide (NO) metabolism by bacteria and yeast. hmp mutant strains of several bacteria are hypersensitive to NO and related compounds and hmp genes are up-regulated by the presence of NO. The regulat...

journal_title：Archives of microbiology

authors： Hernández-Urzúa E,Zamorano-Sánchez DS,Ponce-Coria J,Morett E,Grogan S,Poole RK,Membrillo-Hernández J

更新日期：2007-01-01 00:00:00

abstract：:Mycothiol (MSH) plays important roles in maintaining cytosolic redox homeostasis and in adapting to reactive oxygen species in the high-(G + C)-content Gram-positive Actinobacteria. However, its physiological roles are ill defined compared to glutathione, the functional analog of MSH in Gram-negative bacteria and most...

journal_title：Archives of microbiology

authors： Liu YB,Long MX,Yin YJ,Si MR,Zhang L,Lu ZQ,Wang Y,Shen XH

更新日期：2013-06-01 00:00:00

abstract：:Chlorobenzoates (CBA) arise as intermediates during the degradation of polychlorinated biphenyls (PCBs) and some chlorinated herbicides. Since PCBs were produced as complex mixtures, a range of mono-, di-, and possibly trichloro-substituted benzoates would be formed. Chlorobenzoate degradation has been proposed to be ...

journal_title：Archives of microbiology

authors： Stratford J,Wright MA,Reineke W,Mokross H,Havel J,Knowles CJ,Robinson GK

更新日期：1996-03-01 00:00:00

abstract：:The subtype of phosphofructokinase activity, either ATP-, ADP- or pyrophosphate-dependent, present in members of three genera from the Spirochaetales was investigated. The individual species/strains examined included Spirochaeta alkalica, S. asiatica, S. halophila, S. isovalerica, S. litoralis, S. zuelzerae, S. thermo...

journal_title：Archives of microbiology

authors： Ronimus RS,Morgan HW,Ding YR

更新日期：1999-12-01 00:00:00

abstract：:Gas chromatography-mass spectrometry studies of the nitrogen isotopic composition of the N-trifluoroacetyl n-butyl ester derivatives of the amino acids from isolated hydrolyzed cyanophycin from 15N-enriched cells led to two major findings: (1) the amino acid composition of this granular polypeptide, isolated using pro...

journal_title：Archives of microbiology

authors： Merritt MV,Sid SS,Mesh L,Allen MM

更新日期：1994-01-01 00:00:00

abstract：:The effect of intestinal molecules produced by the host on the virulence of Pseudomonas fluorescens is poorly documented. In the present work, we evaluated the secretion of human β-defensin-2 (hBD-2) by enterocytes after infection with P. fluorescens (a species previously suggested to be involved in inflammatory bowel...

journal_title：Archives of microbiology

authors： Madi A,Alnabhani Z,Leneveu C,Mijouin L,Feuilloley M,Connil N

更新日期：2013-03-01 00:00:00

abstract：:The divergently transcribed sulfur oxidation (sox) operon of a sulfur chemolithotrophs, Pseudaminobacter salicylatoxidans KCT001, comprising sox TRS-VW-XYZABCD, is regulated by a repressor (SoxR). SoxR binds to two disparate operators, sv (present in between soxS and soxV) and wx (present in between soxW and soxX). He...

journal_title：Archives of microbiology

authors： Mandal S,Das Gupta SK

更新日期：2012-09-01 00:00:00

abstract：:The tricarboxylic acid (TCA) cycle is one of the major routes of carbon catabolism in Bacillus subtilis. The syntheses of the enzymes performing the initial reactions of the cycle, citrate synthase, and aconitase, are synergistically repressed by rapidly metabolizable carbon sources and glutamine. This regulation invo...

journal_title：Archives of microbiology

authors： Blencke HM,Reif I,Commichau FM,Detsch C,Wacker I,Ludwig H,Stülke J

更新日期：2006-03-01 00:00:00

abstract：:Halophilic archaeal strain ZS-47-ST was isolated from Zhoushan marine solar saltern, China. Cells were pleomorphic, stained Gram-negative, and formed red-pigmented colonies on agar plate. Strain ZS-47-ST was able to grow at 20-50 °C (optimum 37 °C), at 0.9-4.8 M NaCl (optimum 3.4 M), at 0.005-1.0 M MgCl2 (optimum 0.03...

journal_title：Archives of microbiology

authors： Zhou Y,Li Y,Lü ZZ,Cui HL

更新日期：2017-12-01 00:00:00

abstract：:A novel Gram-stain positive, aerobic, non-motile Actinobacterium, designated strain SB3404T, was isolated from saltern soil collected from Boncuk Saltern, Sungurlu-Çorum, Turkey, and subjected to a polyphasic taxonomic approach. The organism has shown to have phylogenetic, chemotaxonomic, cultural and morphological pr...

journal_title：Archives of microbiology

authors： Tatar D,Veyisoglu A,Saygin H,Sahin N

更新日期：2021-01-01 00:00:00

abstract：:In autotrophic methanogens, pyruvate oxidoreductase (POR) plays a key role in the assimilation of CO(2) and the biosynthesis of organic carbon. This enzyme has been purified to homogeneity, and the genes from Methanococcus maripaludis were sequenced. The purified POR contained five polypeptides with molecular masses o...

journal_title：Archives of microbiology

authors： Lin WC,Yang YL,Whitman WB

更新日期：2003-06-01 00:00:00

abstract：:To elucidate the physiological adaptation of Escherichia coli due to cra gene knockout, a total of 3,911 gene expressions were investigated by DNA microarray for continuous culture. About 50 genes were differentially regulated for the cra mutant. TCA cycle and glyoxylate shunt were down-regulated, while pentose phosph...

journal_title：Archives of microbiology

authors： Sarkar D,Siddiquee KA,Araúzo-Bravo MJ,Oba T,Shimizu K

更新日期：2008-11-01 00:00:00

abstract：:The ability of Klebsiella oxytoca NRRL-B199 to use either lactose or the mixture of glucose and galactose as substrate for the production of 2,3-butanediol was studied in batch fermentations with different conditions of aeration and pH. 2,3-butanediol was undetected, or present in minute concentration in the fermentat...

journal_title：Archives of microbiology

authors： Champluvier B,Decallonne J,Rouxhet PG

更新日期：1989-01-01 00:00:00

abstract：:Recently, a unique archaeal/bacterial community that grows in a macroscopically visible string-of-pearls-like structure in cold (~10 degrees C), sulfurous marsh water was discovered. Here, a new technique is described that allows the fast and reliable growth of these string-of-pearls-like microbial communities in larg...

journal_title：Archives of microbiology

authors： Moissl C,Rudolph C,Rachel R,Koch M,Huber R

更新日期：2003-09-01 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：:Light-limited batch cultures of Synechococcus spp. strains PCC 6301 and WH 8103 exhibited a positive correlation between the specific growth rate and the cellular content of both RNA and DNA. The ratio of RNA to DNA increased with the growth rate in Synechococcus sp. strain WH 8103, as it does in heterotrophic bacteri...

journal_title：Archives of microbiology

authors： Lepp PW,Schmidt TM

更新日期：1998-09-01 00:00:00

abstract：:The halophilic archaeal strain GX71(T) was isolated from the Gangxi marine solar saltern near the Weihai city of Shandong Province, China. Cells of the strain were pleomorphic and lysed in distilled water, stained Gram-negative and formed red-pigmented colonies. Strain GX71(T) was able to grow at 25-45 °C (optimum 30 ...

journal_title：Archives of microbiology

authors： Zhang WJ,Cui HL

更新日期：2014-06-01 00:00:00

abstract：:Mannoproteins from cell walls of Saccharomyces cerevisiae synthesized at successive stages of the population growth cycle have been solubilized with Zymolyase and subsequently analyzed. The major change along the population cycle concerned a large size mannoprotein material; the size of the newly-synthesized molecules...

journal_title：Archives of microbiology

authors： Valentín E,Herrero E,Rico H,Miragall F,Sentandreu R

更新日期：1987-07-01 00:00:00

abstract：:Anaerobic digestion, a recently hot technology to produce biogases especially methane generation for biofuel from wastewater, is considered an effective explanation for energy crisis and global pollution threat. A complex microbiome population is present in sludge, which plays an important role in the digestion of com...

journal_title：Archives of microbiology

authors： Ali N,Gong H,Liu X,Giwa AS,Wang K

更新日期：2020-01-01 00:00:00

abstract：:The study focuses on analysis of the compositional and diversity of bacteria in termite mound soils in comparison with the surrounding soils to verify the assertion that the high nutrient concentrations in termite mound soils influence a complex diversity of microorganisms. Here, whole DNA was extracted from soil samp...

journal_title：Archives of microbiology

authors： Enagbonma BJ,Ajilogba CF,Babalola OO

更新日期：2020-12-01 00:00:00

abstract：:Ever since the development of the first antibiotic compound with anticancer potential, researchers focused on isolation and characterization of prospective microbial natural products with potential anti-infective and anticancer activities. The present work describes the production of bioactive metabolites by heterotro...

journal_title：Archives of microbiology

authors： Kizhakkekalam VK,Chakraborty K

更新日期：2020-11-02 00:00:00