Utilization of D-amino acids by dadR mutants of Salmonella typhimurium.

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：:In yeasts, several sensing systems localized to the plasma membrane which transduce information regarding the availability and quality of nitrogen and carbon sources and work in parallel with the intracellular nutrient-sensing systems, regulate the expression and activity of proteins involved in nutrient uptake and ut...

journal_title：Archives of microbiology

authors： Bermudez Moretti M,Perullini AM,Batlle A,Correa Garcia S

更新日期：2005-11-01 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：: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：:A Gram-stain-negative, strictly aerobic, beige-pigmented, motile, chemoheterotrophic, rod-shaped or ovoid bacterium, designated strain KMU-37T, was isolated from seawater at Najeong Beach in the Republic of Korea. Phylogenetic analysis based on the 16S rRNA gene sequence revealed that the novel isolate was affiliated ...

journal_title：Archives of microbiology

authors： Jun S,Yoon J

更新日期：2017-05-01 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：:The Gram-positive bacterium Clavibacter michiganensis subsp. sepedonicus is the causal agent of bacterial wilt and ring rot of potato. So far, only two proteins have been shown to be essential for virulence, namely a plasmid-encoded cellulase CelA and a hypersensitive response-inducing protein. We have examined the re...

journal_title：Archives of microbiology

authors： Holtsmark I,Takle GW,Brurberg MB

更新日期：2008-02-01 00:00:00

abstract：:We previously cloned the sigH gene encoding a stress-response sigma factor sigma(H) in Streptomyces coelicolor A3(2), located in an operon with the gene encoding proposed anti-sigma factor UshX. To clarify the in vivo function of sigma(H), a stable null mutant of sigH was prepared by homologous recombination. This mut...

journal_title：Archives of microbiology

authors： Sevciková B,Benada O,Kofronova O,Kormanec J

更新日期：2001-12-01 00:00:00

abstract：:A novel thermotolerant strain of the achlorophyllous micro-alga Prototheca was isolated from a hot spring. The isolate was found to produce an appreciable amount of ethanol and CO2 from glucose under anoxic conditions at both 25 and 40 degrees C; this type of alcohol fermentation has not yet been reported in the genus...

journal_title：Archives of microbiology

authors： Ueno R,Urano N,Suzuki M,Kimura S

更新日期：2002-03-01 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：:This study describes two Bradyrhizobium strains, UFLA03-164T and UFLA03-153, which share more than 99% sequence similarity of the 16S rRNA with the type strains of 15 species in this genus. The concatenation of three housekeeping genes (recA, gyrB, and dnaK) indicated that both strains formed a single clade separate f...

journal_title：Archives of microbiology

authors： Cabral Michel D,Azarias Guimarães A,Martins da Costa E,Soares de Carvalho T,Balsanelli E,Willems A,Maltempi de Souza E,de Souza Moreira FM

更新日期：2020-07-01 00:00:00

abstract：:Enzymes that are regulated by the ferredoxin/thioredoxin system in chloroplasts--fructose-1,6-bis-phosphatase (FBPase), sedoheptulose-1,7-bisphosphatase (SBPase), and phosphoribulokinase (PRK)--were partially purified from two different types of photosynthetic prokaryotes (cyanobacteria, purple sulfur bacteria) and te...

journal_title：Archives of microbiology

authors： Crawford NA,Sutton CW,Yee BC,Johnson TC,Carlson DC,Buchanan BB

更新日期：1984-10-01 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：:We cloned the Kluyveromyces lactis KlNTH1 gene, which encodes neutral trehalase. It showed 65.2% and 68.5% identity at nucleotide and amino acid sequence level, respectively, with the Saccharomyces cerevisiae NTH1 gene. Multiple alignment of the predicted trehalase protein sequences from yeasts, bacteria, insects, and...

journal_title：Archives of microbiology

authors： Amaral FC,Van Dijck P,Nicoli JR,Thevelein JM

更新日期：1997-04-01 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：:Serine/threonine protein kinases (STPK) play a major role in the physiology and pathogenesis of Mycobacterium tuberculosis. Here, we have examined the role of pknE, a STPK in the adaptive responses of M. tuberculosis using a deletion mutant ΔpknE. The survival of ΔpknE was assessed in the presence of stress (pH, surfa...

journal_title：Archives of microbiology

authors： Kumar D,Palaniyandi K,Challu VK,Kumar P,Narayanan S

更新日期：2013-01-01 00:00:00

abstract：:A bacterium capable of using the carbamate insecticide carbofuran as a sole source of carbon and energy, was isolated from soil. The ability to catabolise carbofuran phenol, produced by cleavage of the carbamate ester linkage of the insecticide, was lost at very high frequency when the bacterium was grown in the absen...

journal_title：Archives of microbiology

authors： Head IM,Cain RB,Suett DL

更新日期：1992-01-01 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：:Video-enhanced light microscopy of the apical and subapical regions of growing hyphae of several fungal species revealed the existence of momentary synchronized motions of subcellular organelles. First discovered in a temperature-sensitive morphological mutant (ramosa-1) of Aspergillus niger, these seemingly spontaneo...

journal_title：Archives of microbiology

authors： Reynaga-Peña CG,Bartnicki-García S

更新日期：2005-05-01 00:00:00

abstract：:The natural role of antibiotics in the ecology of Streptomyces is debated and still largely unknown. The predatory myxobacteria and many other genera of prokaryotic epibiotic and wolfpack predators across different taxa possess secondary metabolites with antimicrobial action, and these compounds have a role in predati...

journal_title：Archives of microbiology

authors： Kumbhar C,Mudliar P,Bhatia L,Kshirsagar A,Watve M

更新日期：2014-04-01 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：: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：:ModE protein, a molybdate sensor/regulator, controls the transcription of genes coding for molybdate uptake (mod), molybdopterin synthesis (moa), molybdoenzymes nitrate reductase (nap) and dimethylsulfoxide reductase (dms), as well as fermentative dihydrogen production (fdhF and hyc) and respiratory nitrate reductase ...

journal_title：Archives of microbiology

authors： Tao H,Hasona A,Do PM,Ingram LO,Shanmugam KT

更新日期：2005-12-01 00:00:00

abstract：:The fast-growing Rhizobium sp. strain NGR234, isolated from Papua New Guinea, and 13 strains of Sinorhizobium fredii, isolated from China and Vietnam, were fingerprinted by means of RAPD, REP, ERIC and ARDRA. ERIC, REP and RAPD markers revealed a considerable genetic diversity among fast-growing rhizobia. Chinese isol...

journal_title：Archives of microbiology

authors： Saldaña G,Martinez-Alcántara V,Vinardell JM,Bellogín R,Ruíz-Sainz JE,Balatti PA

更新日期：2003-07-01 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：:Insect and mite pests are damaging stressors that are threatening the cultivation of tea plants, which result in enormous crop loss. Over the years, the effectiveness of synthetic pesticides has allowed for its prominent application as a control strategy. However, the adverse effects of synthetic pesticides in terms o...

journal_title：Archives of microbiology

authors： Idris AL,Fan X,Muhammad MH,Guo Y,Guan X,Huang T

更新日期：2020-08-01 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：:In order to investigate the role of the putative epimerase function of the beta-oxidation multienzyme complex (FadBA) in the provision of (R)-3-hydroxyacyl-CoA thioesters for medium-chain-length polyhydroxyalkanoate (PHA(MCL)) biosynthesis, the fadBA(Po) operon of Pseudomonas oleovorans was cloned and characterized. T...

journal_title：Archives of microbiology

authors： Fiedler S,Steinbüchel A,Rehm BH

更新日期：2002-08-01 00:00:00

abstract：:This study compared rhizobacterial communities in pepper greenhouses under a paddy-upland (rice-pepper) rotational system (PURS) and a monoculture repeated cropping system (RCS) and examined adverse effects of high salinity on soil properties. The following soil properties were analyzed: electrical conductivity (EC), ...

journal_title：Archives of microbiology

authors： Hahm MS,Son JS,Kim BS,Ghim SY

更新日期：2017-03-01 00:00:00

abstract：:Representative strains of Gardnerella vaginalis were degraded using both an alkaline and an acid methanolysis and the fatty acid methyl esters released examined by thin-layer and gas chromatography. The profiles obtained were both qualitatively and quantitatively similar and were comprised of straight chain saturated ...

journal_title：Archives of microbiology

authors： O'Donnell AG,Minnikin DE,Goodfellow M,Piot P

更新日期：1984-05-01 00:00:00