Differences in composition and mucosal adhesion of bifidobacteria isolated from healthy adults and healthy seniors.

abstract：:Amino acid residues in the active site of quinoline 2-oxidoreductase (Qor) that are deemed important for substrate binding and turnover were replaced by site-directed mutagenesis. The apparent k(cat) values for quinoline were reduced 2.4-, 38-, 40-, and 199-fold in the protein variants QorA259G, QorW331G, QorV373A, an...

journal_title：Current microbiology

authors： Purvanov V,Fetzner S

更新日期：2005-04-01 00:00:00

abstract：:Low-substrate regulated microaerophilic behavior (LSRMB) was observed in 10-54% of the bacteria isolated from several fresh-water lakes or ponds, subsurface soils, activated sludge, and Antarctic dry valley soils. Five Pseudomonas and two Bacillus type species showed LSRMB. A subsurface Pseudomonas jessenii strain was...

journal_title：Current microbiology

authors： Mazumder R,Pinkart HC,Alban PS,Phelps TJ,Benoit RE

更新日期：2000-08-01 00:00:00

abstract：:Lactobacillus casei CRL705 produces a class IIb bacteriocin, lactocin 705, which relies on the complementary action of two components, Lac705alpha and Lac705beta. These peptides exert a bactericidal effect on the indicator strain Lactobacillus plantarum CRL691, with an optimal Lac705alpha/Lac705beta peptide ratio of 1...

journal_title：Current microbiology

authors： Cuozzo SA,Castellano P,Sesma FJ,Vignolo GM,Raya RR

更新日期：2003-03-01 00:00:00

abstract：:Biofilm-forming ability is well established as an important virulence factor. However, there are no studies available regarding biofilm formation of Salmonella Typhimurium 1,4,[5],12:i:-, the new pandemic serovar in Europe. To address this problem, biofilm expression by Salmonella 1,4,[5],12:i:- was evaluated using 13...

journal_title：Current microbiology

authors： Seixas R,Machado J,Bernardo F,Vilela C,Oliveira M

更新日期：2014-05-01 00:00:00

abstract：:Soil microcosm experiments were used to investigate the effects on growth and activity of soil microorganisms of an herbicide combination (60% bromoxynil + 3% prosulfuron) frequently used to provide a broad spectrum control of weed species. Culturable aerobic bacteria, fungi, and actinomycetes, the fundamental groups ...

journal_title：Current microbiology

authors： Pampulha ME,Oliveira A

更新日期：2006-09-01 00:00:00

abstract：:There is a region exhibiting a similarity of amino acid sequence near the carboxyl-terminal segment of each FAD-containing oxidoreductase. In this region, four amino acid residues-Thr, Ala, Gly, and Asp-are highly conserved. To determine the involvement of the four amino acid residues (Thr-469, Ala-476, Gly-478, and A...

journal_title：Current microbiology

authors： Shiraki M,Koyama N

更新日期：2003-06-01 00:00:00

abstract：:Viral nervous necrosis infections are causing severe problems on aquaculture industry due to ecological and economic impacts. Their causal agent is nervous necrosis virus or nodavirus, which has been classified into four genotypes. Different genotypes correlate with differences in viral pathogenicity. Therefore, ratio...

journal_title：Current microbiology

authors： Toubanaki DK,Margaroni M,Karagouni E

更新日期：2015-11-01 00:00:00

abstract：:To overexpress the chitosanase gene (csn) in F. solani, a vector based on pCAMBIA 1300 was constructed. The csn gene, which is under control of the Aspergillus nidulans gpdA promoter and A. nidulans trpC terminator, was introduced back into the F. solani genome by Agrobacterium tumefaciens-mediated transformation, and...

journal_title：Current microbiology

authors： Liu H,Bao X

更新日期：2009-03-01 00:00:00

abstract：:Cosubstrates fermentation is such an effective strategy for increasing subject metabolic products that it could be available and studied in propionic acid production, using glycerol and glucose as carbon resources. The effects of glycerol, glucose, and their mixtures on the propionic acid production by Propionibacteri...

journal_title：Current microbiology

authors： Liu Y,Zhang YG,Zhang RB,Zhang F,Zhu J

更新日期：2011-01-01 00:00:00

abstract：:Cadmium (Cd) and zinc (Zn) are environmental pollutants affecting both soil and water. The toxicity resulting from the exposure of Xanthomonas campestris, a soil bacterium and plant pathogen, to these metals was investigated. Pretreatment of X. campestris with sub-lethal concentrations of Cd induced adaptive protectio...

journal_title：Current microbiology

authors： Banjerdkij P,Vattanaviboon P,Mongkolsuk S

更新日期：2003-09-01 00:00:00

abstract：:Oxylipin metabolism represents one of the important hormonal and defensive mechanisms employed by plants, algae, or animals. It begins mostly with the reaction of lipoxygenases (LOXs), which catalyze the oxygenation of polyunsaturated fatty acids to form the corresponding hydroperoxides. At present, little information...

journal_title：Current microbiology

authors： Koeduka T,Kajiwara T,Matsui K

更新日期：2007-04-01 00:00:00

abstract：:Nine Shiga toxin-producing Escherichia coli O157:H7/H- (O157) strains were serially cultured three times on LB agar plates. After each sub-culture, five colonies were picked for DNA isolation and whole genome sequence (WGS) analysis. After exclusion of possible recombination-related SNPs, 11, 9, and 34 single-nucleoti...

journal_title：Current microbiology

authors： Yokoyama E,Hirai S,Ishige T,Murakami S

更新日期：2017-04-01 00:00:00

abstract：:A moderately psychrophilic bacterium Corynebacterium paurometabolum MTCC 6841 (gram positive, short rod type) producing extracellular alkaline lipase was isolated from Lake Naukuchiatal, Uttaranchal, India. The bacterium was able to grow within a broad range of pH (5-10). Soyabean oil and olive oil served as the best ...

journal_title：Current microbiology

authors： Joshi GK,Kumar S,Tripathi BN,Sharma V

更新日期：2006-05-01 00:00:00

abstract：:Two strains of Rhizobia isolated from nodules of Vicia faba var. major and one strain isolated from nodules of Cicer arietinum L. were characterized for salt resistance. The presence of 1 mM glycine betaine or choline in a minimal medium with added NaCl had a beneficial role on the growth of the three strains. Both mo...

journal_title：Current microbiology

authors： Brhada F,Poggi MC,Le Rudulier D

更新日期：1997-03-01 00:00:00

abstract：:Actinomycetes are a wide group of Gram positive prokaryotes, the soil being their most characteristic habitat, where they play important ecological functions. Their immense biotechnological potential as producers of bioactive molecules of great commercial and industrial interest is exemplified by most antibiotics for ...

journal_title：Current microbiology

authors： Hernández-Bolaños E,Montesdeoca-Flores D,Abreu-Yanes E,Barrios ML,Abreu-Acosta N

更新日期：2020-09-01 00:00:00

abstract：:Strain NHI-24(T) was isolated from forest soil by a polycarbonate membrane transwell plate. It is a Gram-negative, rod-shaped, non-motile, non-spore-forming bacterium. Phylogenetic analysis based on 16S rRNA gene sequence data indicated that strain NHI-24(T) is closely related to members of the genus Niabella: N. dril...

journal_title：Current microbiology

authors： Pham VH,Kim J

更新日期：2014-08-01 00:00:00

abstract：:By proteomic analysis, we found a rhodanese-like protein(RhdA) from Acidithiobacillus ferrooxidans ATCC 23270 whose C-terminal contained a cysteine motif (Cys-XX-Trp-XX-Cys), known to bind iron-sulfur clusters. But so far, there were no articles to confirm the existence of iron-sulfur cluster in RhdA. In this study, R...

journal_title：Current microbiology

authors： Dai Y,Liu J,Zheng C,Wu A,Zeng J,Qiu G

更新日期：2009-11-01 00:00:00

abstract：:To date, a few works have performed a correlation of metabolic variables in bacteria; however specific correlations with these variables have not been reported. In this work, we included 36 human pathogenic bacteria and 18 non- or less-pathogenic-related bacteria and obtained all metabolic variables, including enzymes...

journal_title：Current microbiology

authors： Brambila-Tapia AJ,Poot-Hernández AC,Garcia-Guevara JF,Rodríguez-Vázquez K

更新日期：2016-06-01 00:00:00

abstract：:Exposure to ethanol is a stress condition that Salmonella typhimurium often encounters during its life cycle. Food, beverage, drugs, and cosmetics have a long history of using alcohols to control pathogens. Ethanol is also commonly used for disinfecting medical instruments. This study was conducted to evaluate the eth...

journal_title：Current microbiology

authors： Shoae Hassani A,Malekzadeh F,Amirmozafari N,Hamdi K,Ordouzadeh N,Ghaemi A

更新日期：2009-03-01 00:00:00

abstract：:Pseudomonas aeruginosa is a leading cause of hospital-acquired infections and difficult to treat due to acquired-resistance to multiple antibiotics. A pair of strains, M38100A and M38100B, previously identified from a single clinical isolate of P. aeruginosa was investigated to understand phenotypic and genotypic char...

journal_title：Current microbiology

authors： Mahida K,Kwon DH

更新日期：2010-07-01 00:00:00

abstract：:Rhodobacter sphaeroides is a bacterium that can produce hydrogen by interaction with hydrogenase and nitrogenase. We report a hydrogen production system using co-cultivation of hydrogenase in liquid medium and immobilized nitrogenase in Escherichia coli. The recombinant plasmid has been constructed to analyze the effe...

journal_title：Current microbiology

authors： Lee HJ,Sekhon SS,Kim YS,Park JY,Kim YH,Min J

更新日期：2016-03-01 00:00:00

abstract：:Microalgae are considered feedstock for biodiesel production due to their capability to accumulate triacylglycerols, which have a 99% conversion rate into biodiesel, under certain conditions. This study aims to evaluate thirty native microalgal strains as feedstock for biodiesel production based on their biomass and l...

journal_title：Current microbiology

authors： Andeden EE,Ozturk S,Aslim B

更新日期：2021-01-21 00:00:00

abstract：:The expression of the eukaryotic bbc1 (breast basic conserved) gene (the bbc1 gene of the marine green alga Chlamydomonas sp. W-80 strain) enhanced the tolerance against salt-stress and freezing-stress in E. coli cells. The expression of the BBC1 protein in the E. coli cells carrying the algal bbc1 gene and that in th...

journal_title：Current microbiology

authors： Tanaka S,Ikeda K,Miyasaka H

更新日期：2001-03-01 00:00:00

abstract：:Several rhizobial strains possess the ability to modulate leguminous plants ethylene levels by producing the enzyme 1-aminocyclopropane-1-carboxylate (ACC) deaminase. While the effect of ACC deaminase has been studied in several rhizobia belonging to the Alphaproteobacteria class, not much is understood about its impa...

journal_title：Current microbiology

authors： Nascimento FX,Tavares MJ,Glick BR,Rossi MJ

更新日期：2018-08-01 00:00:00

abstract：:A thermophilic bacterial strain GXN151 which could degrade Avicel efficiently was isolated and identified as Bacillus licheniformis. A genomic library of GXN151 was constructed and two novel endoglucanase genes designated cel9A and cel12A were isolated by screening the library on carboxylmethyl cellulase indicator pla...

journal_title：Current microbiology

authors： Liu Y,Zhang J,Liu Q,Zhang C,Ma Q

更新日期：2004-10-01 00:00:00

abstract：:Proteolytic activity and a subtilisin inhibitor (NSI) were detected in Natrialba magadii cells. The proteolytic activity was due to two different proteases: a approximately 90-kDa metallo protease (NMP) produced during exponential growth and a 246-kDa serine protease (NSP) detected in the stationary phase. Both protea...

journal_title：Current microbiology

authors： Giménez MI,Sánchez JJ,De Castro RE

更新日期：2003-05-01 00:00:00

abstract：:Pasteurella haemolytica (Ph) is the most important cause of the bovine acute fibrinohemorrhagic pneumonia that occurs in market stressed calves after shipment to feedyards. Recent characterization of neuraminidase production by these organisms has shown that all 16 serotypes produce an immunologically similar form of ...

journal_title：Current microbiology

authors： Straus DC,Purdy CW,Loan RW,Briggs RF,Frank GH

更新日期：1998-10-01 00:00:00

abstract：:Lamprey was considered to be one of the most basal jawless vertebrate representatives for studying vertebrate evolution, embryo development, and the origin of adaptive immunity. Here we investigated the effect of the gut-derived Aeromonas on the lamprey leukocytes proteome using the label-free liquid chromatography-ta...

journal_title：Current microbiology

authors： Li Y,Zhang W,Zuo Y,Zhu T,Pang Y,Li T,Li Q

更新日期：2018-07-01 00:00:00

abstract：:Microorganisms that colonize plants require a number of hydrolytic enzymes to help degrade the cell wall. The maize endophyte Acremonium zeae was surveyed for production of extracellular enzymes that hydrolyze cellulose and hemicellulose. The most prominent enzyme activity in cell-free culture medium from A. zeae NRRL...

journal_title：Current microbiology

authors： Bischoff KM,Wicklow DT,Jordan DB,de Rezende ST,Liu S,Hughes SR,Rich JO

更新日期：2009-05-01 00:00:00

abstract：:Orf101 (Bm101) of Bombyx mori nucleopolyhedrovirus (BmNPV) is a highly conserved gene in lepidopteran nucleopolyhedroviruses, but its function remains unknown. In this study, Bm101 was characterized. Transcripts of Bm101 were detected from 24 through 96 h post infection (h p.i.) by RT-PCR. The corresponding protein wa...

journal_title：Current microbiology

authors： Chen H,Li M,Huang G,Mai W,Chen K,Zhou Y

更新日期：2014-08-01 00:00:00