abstract：:Effect of acidic condition on the fermentation characteristics was investigated by the continuous culture of Escherichia coli. In accordance with down-regulation of crp gene transcript level as well as up-regulation of arcA, the expressions of the TCA cycle genes were down-regulated, which caused more acetate formatio...

journal_title：Archives of microbiology

authors： Marzan LW,Hasan CM,Shimizu K

更新日期：2013-03-01 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：:The biological effects of UV radiation of different wavelengths (UVA, UVB and UVC) were assessed in nine bacterial isolates displaying different UV sensitivities. Biological effects (survival and activity) and molecular markers of oxidative stress [DNA strand breakage (DSB), generation of reactive oxygen species (ROS)...

journal_title：Archives of microbiology

authors： Santos AL,Oliveira V,Baptista I,Henriques I,Gomes NC,Almeida A,Correia A,Cunha Â

更新日期：2013-01-01 00:00:00

abstract：:Photosynthetic, nitrogen-fixing Anabaena strains play an important role in the carbon and nitrogen cycles in tropical paddy fields although they are salt sensitive. Improvement in salt tolerance of Anabaena cells by expressing glycine betaine-synthesizing genes is an interesting subject. Due to the absence of choline ...

journal_title：Archives of microbiology

authors： Waditee-Sirisattha R,Singh M,Kageyama H,Sittipol D,Rai AK,Takabe T

更新日期：2012-11-01 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：:The efficiency of hydrolysis of fungal (Fusarium spp.) cell wall and rye root cell wall by crude enzymatic complexes from (42-day-old) cultures of three F. culmorum isolates, a plant growth-promoting rhizosphere isolate (PGPF) DEMFc2, a deleterious rhizosphere isolate (DRMO) DEMFc5, and a pathogenic isolate DEMFc37, a...

journal_title：Archives of microbiology

authors： Jaroszuk-Ściseł J,Kurek E

更新日期：2012-08-01 00:00:00

abstract：:The endophytic diazotrophic Gluconacetobacter diazotrophicus PAL5 was originally isolated from sugarcane (Saccharum officinarum). The biological nitrogen fixation, phytohormones secretion, solubilization of mineral nutrients and phytopathogen antagonism allow its classification as a plant growth-promoting bacterium. T...

journal_title：Archives of microbiology

authors： Nieto-Peñalver CG,Bertini EV,de Figueroa LI

更新日期：2012-07-01 00:00:00

abstract：:Multi- and pan-antibiotic-resistant bacteria area major health challenge in hospital settings. Furthermore,when susceptible bacteria establish surface-attached biofilm populations, they become recalcitrant to antimicrobial therapy. Therefore, there is a need for novel antimicrobials that are effective against multi-dr...

journal_title：Archives of microbiology

authors： Shanks RM,Dashiff A,Alster JS,Kadouri DE

更新日期：2012-07-01 00:00:00

abstract：:The main aim of our study was to determine the physiological function of NagA enzyme in the Listeria monocytogenes cell. The primary structure of the murein of L. monocytogenes is very similar to that of Escherichia coli, the main differences being amidation of diaminopimelic acid and partial de-N-acetylation of gluco...

journal_title：Archives of microbiology

authors： Popowska M,Osińska M,Rzeczkowska M

更新日期：2012-04-01 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：:The TTA codon, one of the six available codons for the amino acid leucine, is the rarest codon among the high GC genomes of Actinobacteria including Frankia. This codon has been implicated in various regulatory mechanisms involving secondary metabolism and morphological development. TTA-mediated gene regulation is wel...

journal_title：Archives of microbiology

authors： Sen A,Thakur S,Bothra AK,Sur S,Tisa LS

更新日期：2012-01-01 00:00:00

abstract：:It was assumed for a long time that the ability to catalyze atmospheric nitrogen (diazotrophy) has a narrow distribution among actinobacteria being limited to the genus Frankia. Recently, the number of nitrogen fixation (nifH) genes identified in other non-Frankia actinobacteria has dramatically increased and has open...

journal_title：Archives of microbiology

authors： Gtari M,Ghodhbane-Gtari F,Nouioui I,Beauchemin N,Tisa LS

更新日期：2012-01-01 00:00:00

abstract：:Pseudomonas putida CSV86 utilizes benzyl alcohol via catechol and methylnaphthalenes through detoxification pathway via hydroxymethylnaphthalenes and naphthaldehydes. Based on metabolic studies, benzyl alcohol dehydrogenase (BADH) and benzaldehyde dehydrogenase (BZDH) were hypothesized to be involved in the detoxifica...

journal_title：Archives of microbiology

authors： Shrivastava R,Basu A,Phale PS

更新日期：2011-08-01 00:00:00

abstract：:In the Tat protein export pathway of Gram-negative bacteria, TatA and TatB are homologous proteins that carry out distinct and essential functions in separate sub-complexes. In contrast, Gram-positive Tat systems usually lack TatB and the TatA protein is bifunctional. We have used a mutagenesis approach to delineate T...

journal_title：Archives of microbiology

authors： Barnett JP,Lawrence J,Mendel S,Robinson C

更新日期：2011-08-01 00:00:00

abstract：:The ability of soil microorganisms to solubilize phosphate is an important trait of plant growth-promoting bacteria leading to increased yields and smaller use of fertilizers. This study presents the isolation and characterization of phosphobacteria from Puna, northwestern Argentina and the ability to produce phosphat...

journal_title：Archives of microbiology

authors： Viruel E,Lucca ME,Siñeriz F

更新日期：2011-07-01 00:00:00

abstract：:A 2.3-L bioreactor was specially adapted to grow hyperthermophilic microorganisms under controlled conditions of temperature, pH, redox potential and dissolved O(2). Using this bioreactor regulated at 80°C and pH 7.0, we demonstrated that Thermotoga maritima recovered its growth despite being exposed to oxygen for a s...

journal_title：Archives of microbiology

authors： Lakhal R,Auria R,Davidson S,Ollivier B,Durand MC,Dolla A,Hamdi M,Combet-Blanc Y

更新日期：2011-06-01 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：:A combination of gene loss and acquisition through horizontal gene transfer (HGT) is thought to drive Streptococcus thermophilus adaptation to its niche, i.e. milk. In this study, we describe an in silico analysis combining a stochastic data mining method, analysis of homologous gene distribution and the identificatio...

journal_title：Archives of microbiology

authors： Eng C,Thibessard A,Danielsen M,Rasmussen TB,Mari JF,Leblond P

更新日期：2011-04-01 00:00:00

abstract：:The sulfate-reducing highly enriched culture N47 is capable to anaerobically degrade naphthalene, 2-methylnaphthalene, and 2-naphthoic acid. A proteogenomic investigation was performed to elucidate the initial activation reaction of anaerobic naphthalene degradation. This lead to the identification of an alpha-subunit...

journal_title：Archives of microbiology

authors： Bergmann FD,Selesi D,Meckenstock RU

更新日期：2011-04-01 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：: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：:Some unicellular N(2)-fixing cyanobacteria have recently been found to lack a functional photosystem II of photosynthesis. Such organisms, provisionally termed UCYN-A, of the oceanic picoplanktion are major contributors to the global marine N-input by N(2)-fixation. Since their photosystem II is inactive, they can per...

journal_title：Archives of microbiology

authors： Bothe H,Tripp HJ,Zehr JP

更新日期：2010-10-01 00:00:00

abstract：:The cold shock response in bacteria involves the expression of low-molecular weight cold shock proteins (CSPs) containing a nucleic acid-binding cold shock domain (CSD), which are known to destabilize secondary structures on mRNAs, facilitating translation at low temperatures. Caulobacter crescentus cspA and cspB are ...

journal_title：Archives of microbiology

authors： Balhesteros H,Mazzon RR,da Silva CA,Lang EA,Marques MV

更新日期：2010-09-01 00:00:00

abstract：:CSM2, a cold-sensitive mutant of psychrophilic Pseudomonas syringae, grows like wild-type cells when cultured at 22 and 28 degrees C; but at 4 degrees C, the growth is retarded. In CSM2, AAT (coding for aspartate aminotransferase) is identified as the mutated gene. The expression of AAT in Pseudomonas syringae was tra...

journal_title：Archives of microbiology

authors： Sundareswaran VR,Singh AK,Dube S,Shivaji S

更新日期：2010-08-01 00:00:00

abstract：:We previously constructed an arabinose-inducible recombinant Bifidobacterium longum that could efficiently express secreted IFN-alpha2b in vitro (Deng et al. in Arch Microbiol 191:681-686, 2009). Here, we investigated the influence of oral pBAD-SPIFN-transformed B. longum on immunomodulation and IFN-induced Mx1 gene t...

journal_title：Archives of microbiology

authors： Yu Z,Zeng Z,Huang Z,Lian J,Yang J,Deng Q,Zeng W

更新日期：2010-08-01 00:00:00

abstract：:To identify virulence-associated genes of a fish pathogen Yersinia ruckeri, we screened a total of 1056 mini-Tn5-Km2 signature-tagged mutants in rainbow trout by immersion challenge. Of 1056, 25 mutants were found survival-defective as they could not be re-isolated from fish kidney 7 days after infection. Mutated gene...

journal_title：Archives of microbiology

authors： Dahiya I,Stevenson RM

更新日期：2010-07-01 00:00:00

abstract：:The role of the genomic bipyrimidine nucleotide frequency in pyrimidine dimer formation caused by germicidal UV radiation was studied in three microbial reference organisms (Escherichia coli K12, Deinococcus radiodurans R1, spores and cells of Bacillus subtilis 168). The sensitive HPLC tandem mass spectrometry assay w...

journal_title：Archives of microbiology

authors： Moeller R,Douki T,Rettberg P,Reitz G,Cadet J,Nicholson WL,Horneck G

更新日期：2010-07-01 00:00:00

abstract：:We explored the molecular diversity of cytochrome P450 genes in the filamentous fungus Aspergillus oryzae using bioinformatic and experimental approaches. Based on bioinformatic annotation, we found 155 putative genes of cytochromes P450 in the whole genome sequence; however, 13 of 155 appeared to be pseudogenes due t...

journal_title：Archives of microbiology

authors： Nazmul Hussain Nazir KH,Ichinose H,Wariishi H

更新日期：2010-05-01 00:00:00

abstract：:As the protein databases continue to expand at an exponential rate, fed by daily uploads from multiple large scale genomic and metagenomic projects, the problem of assigning a function to each new protein has become the focus of significant research interest in recent times. Herein, we review the most recent advances ...

journal_title：Archives of microbiology

authors： Sleator RD,Walsh P

更新日期：2010-03-01 00:00:00

abstract：:The Roseobacter clade, belonging to the family Rhodobacteraceae of the class Alphaproteobacteria, is one of the major bacterial groups in marine environments. A remarkable wealth of diverse large plasmids has been detected in members of this lineage. Here, we analysed the genome structure and extrachromosomal DNA cont...

journal_title：Archives of microbiology

authors： Pradella S,Päuker O,Petersen J

更新日期：2010-02-01 00:00:00

abstract：:The ontogeny of the myxomycete Physarum globuliferum was observed on corn meal agar and hanging drop cultures without adding sterile oat flakes, bacteria or other microorganisms. Its complete life cycle including spore germination, myxamoebae, swarm cells, plasmodial development, and maturity of fructifications was de...

journal_title：Archives of microbiology

authors： Liu P,Wang Q,Li Y

更新日期：2010-02-01 00:00:00

abstract：:Aerobic anoxygenic phototrophs (AAPs) are prokaryotic microorganisms capable of harvesting light using bacteriochlorophyll-based reaction centres. Marine AAP communities are generally dominated by species belonging to the Roseobacter clade. For this reason, we used marine Roseobacter-related strain COL2P as a model or...

journal_title：Archives of microbiology

authors： Koblízek M,Mlcousková J,Kolber Z,Kopecký J

更新日期：2010-01-01 00:00:00

abstract：:To overcome the extracellular salt stress, Methanohalophilus portucalensis FDF1(T) synthesizes the compatible solute betaine through the methylation of glycine, sarcosine, and N,N-dimethylglycine. S-adenosylmethionine (AdoMet) is the methyl donor. The enzyme sarcosine dimethylglycine N-methyltransferase (SDMT) of M. p...

journal_title：Archives of microbiology

authors： Chen SY,Lai MC,Lai SJ,Lee YC

更新日期：2009-10-01 00:00:00

abstract：:We previously reported that double disruption of protein phosphatase (PPase) genes PTP2 (phosphotyrosine-specific PPase) and MSG5 (phosphotyrosine and phosphothreonine/serine-PPase) causes Ca(2+) sensitive growth, whereas the single disruptions do not. This finding suggests that Ptp2p and Msg5p are involved in Ca(2+)-...

journal_title：Archives of microbiology

authors： Hermansyah,Sugiyama M,Kaneko Y,Harashima S

更新日期：2009-09-01 00:00:00

abstract：:The objective of this work was to investigate the structure and diversity of lactic acid bacteria (LAB) communities in traditionally fermented meat collected from different areas of Tunisia. A polyphasic study, which involves phenotypic tests and ribosomal DNA-based techniques, was used to identify Gram-positive and c...

journal_title：Archives of microbiology

authors： Ben Belgacem Z,Dousset X,Prévost H,Manai M

更新日期：2009-09-01 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：:Pandoraea sp. strain MCB032 was isolated as an emerging chlorobenzene degrader from a functionally stable bioreactor where species succession had occurred. In this study, two gene clusters encoding chlorobenzene metabolic functions have been cloned. Within the cbs gene cluster, CbsA and CbsB are similar to the chlorob...

journal_title：Archives of microbiology

authors： Jiang XW,Liu H,Xu Y,Wang SJ,Leak DJ,Zhou NY

更新日期：2009-06-01 00:00:00

abstract：:Although, there have been many published bacterial strains aerobically degrading the heterocyclic amine compounds, only one strain to date has been reported to degrade pyrrolidine under denitrifying conditions. In this study, denitrifying bacteria degrading pyrrolidine and piperidine were isolated from diverse geologi...

journal_title：Archives of microbiology

authors： Bae HS,Im WT,Suwa Y,Lee JM,Lee ST,Chang YK

更新日期：2009-04-01 00:00:00

abstract：:Small heat-shock proteins are molecular chaperones that bind and prevent aggregation of nonnative proteins. They also associate with membranes. In this study, we show that the small heat-shock protein HspA plays a protective role under oxidative stress in the cyanobacterium Synechococcus elongatus strain ECT16-1, whic...

journal_title：Archives of microbiology

authors： Sakthivel K,Watanabe T,Nakamoto H

更新日期：2009-04-01 00:00:00

abstract：:The propensity of bacterium to sporulate or retain the vegetative form depends on the amount of phosphorylated Spo0A (Spo0A(-P)), regulated by Spo0E multigene family of phosphatases (Spo0E, YisI and YnzD). Phylogenetic analysis revealed that Spo0E multigene family of phosphatases (SMFP) descends in two distinct clades...

journal_title：Archives of microbiology

authors： Dubey GP,Narayan A,Mattoo AR,Singh GP,Kurupati RK,Zaman MS,Aggarwal A,Baweja RB,Basu-Modak S,Singh Y

更新日期：2009-03-01 00:00:00