Differentiation of Nostoc flagelliforme and its neighboring species using fatty-acid profiling as a chemotaxonomic tool.

abstract：:The goal of this work was the investigation of correlation between some peculiarities of membrane fatty acids composition, biofilm formation, and motility of dam and/or seqA mutants in Salmonella typhimurium bacterial cells and UV-C radiations. The exposure changed the fatty acids composition of dam and seqA/dam strai...

journal_title：Current microbiology

authors： Abdelwaheb C,Lobna M,Bouchra BA,Selma K,Ahmed L

更新日期：2015-10-01 00:00:00

abstract：:A new host specificity was discovered with the insecticidal protein encoded by the cryV gene. The cryV gene was cloned from the Bacillus thuringiensis kurstaki INA-02 strain, which was selected among a number of B. thuringiensis isolates because of its high activity against Spodoptera litura. Analyses by polymerase ch...

journal_title：Current microbiology

authors： Sasaki J,Asano S,Iizuka T,Bando H,Lay BW,Hastowo S,Powell GK,Yamamoto T

更新日期：1996-04-01 00:00:00

abstract：:Maize root colonization by two fluorescentPseudomonas strains M.3.1. and TR335, isolated respectively frommaize and tomato roots, were studied in hydroponic conditions. Each bacteriumwas inoculated separately, and three different colonization areas werestudied: nutrient solution, rhizoplane, and endorhizosphere. The t...

journal_title：Current microbiology

authors： Benizri E,Schoeny A,Picard C,Courtade A,Guckert A

更新日期：1997-05-01 00:00:00

abstract：:Genetic studies of Ochrobactrum anthropi, a bacterial species important in bioremediation and biopesticide degradation, are hindered by the lack of suitably regulated gene expression system. A tightly regulated gene-expression system was developed for O. anthropi using the lacI(q) gene and a re-engineered coliphage T5...

journal_title：Current microbiology

authors： Alqublan H,Seleem MN,Boyle SM,Sriranganathan N

更新日期：2010-04-01 00:00:00

abstract：:The contents of fed-batch composting (FBC) reactors often aggregate after prolonged operation. This process leads to irreversible breakdown of the decomposition reaction and possible alteration of the bacterial communities. We compared the structures of bacterial communities in reactors under aggregate and optimal con...

journal_title：Current microbiology

authors： Watanabe K,Nagao N,Toda T,Kurosawa N

更新日期：2008-05-01 00:00:00

abstract：:pH affected significantly the growth and the glucose fermentation pattern of Propionibacterium microaerophilum. In neutral conditions (pH 6.5-7.5), growth and glucose fermentation rate (qs) were optimum producing propionate, acetate, CO(2), and formate [which together represented 90% (wt/wt) of the end products], and ...

journal_title：Current microbiology

authors： Koussémon M,Combet-Blanc Y,Ollivier B

更新日期：2003-02-01 00:00:00

abstract：:In laboratory cultures of ice nucleation-active (Ice+) Erwinia herbicola isolates, it has been difficult to achieve high-level expression of ice nuclei, especially nuclei active at temperatures warmer than -5 degrees C (i.e., type 1 ice nuclei). Here we demonstrate that starvation for phosphate and exposure to low tem...

journal_title：Current microbiology

authors： Fall AL,Fall R

更新日期：1998-06-01 00:00:00

abstract：:Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) displays important functional diversity in mammalian and plants. So far, however, studies on GAPDH have not included the halotolerant, unicellular green alga Dunaliella salina. In the present study, a GAPDH cDNA was cloned and sequenced from D. salina. It was 1394 bp lo...

journal_title：Current microbiology

authors： Jia Y,Xue L,Liu H,Li J

更新日期：2009-05-01 00:00:00

abstract：:Lactic acid bacteria such as Lactobacillus helveticus, L. delbrueckii subsp. delbrueckii, L. delbrueckii subsp. lactis, L. delbrueckii subsp. bulgaricus, L. acidophilus, and L. casei related taxa which are widely used as starter or probiotic cultures can be identified by amplified ribosomal DNA restriction analysis (A...

journal_title：Current microbiology

authors： Roy D,Sirois S,Vincent D

更新日期：2001-04-01 00:00:00

abstract：:Previous studies have established that psyllids (Hemiptera, Psylloidea) contain primary endosymbionts, designated as Carsonella ruddii, which cospeciate with the psyllid host. This association appears to be the consequence of a single infection of a psyllid ancestor with a bacterium. Some psyllids may have additional ...

journal_title：Current microbiology

authors： Thao ML,Clark MA,Baumann L,Brennan EB,Moran NA,Baumann P

更新日期：2000-10-01 00:00:00

abstract：:Because of heavy use of antimicrobials, antimicrobial resistance in bacteria has become of great concern. The effect of some widely used food additives such as sucralose on bacteria in the gut and the environment has also drawn increasing attention. In this study, we investigated the interaction between antimicrobials...

journal_title：Current microbiology

authors： Qu Y,Li R,Jiang M,Wang X

更新日期：2017-07-01 00:00:00

abstract：:Gluconacetobacter diazotrophicus produces levan from sucrose by a secreted levansucrase (LsdA). A levanase-encoding gene ( lsdB), starting 51 bp downstream of the lsdA gene, was cloned from strain SRT4. The lsdB gene (1605 bp) encodes a protein (calculated molecular mass 58.4 kDa) containing a putative 36-amino-acid s...

journal_title：Current microbiology

authors： Menéndez C,Hernández L,Selman G,Mendoza MF,Hevia P,Sotolongo M,Arrieta JG

更新日期：2002-07-01 00:00:00

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：:The evolution of the symbiotic association with microbes allowed termites to decompose ingested lignocellulose from plant-derived substrates, including herbivore dung and soil humus. Representatives of the Syntermitinae (Termitidae) range in their feeding habits from wood and litter-feeding to humus-feeding species. H...

journal_title：Current microbiology

authors： Moreira EA,Alvarez TM,Persinoti GF,Paixão DAA,Menezes LR,Cairo JPF,Squina FM,Costa-Leonardo AM,Carrijo T,Arab A

更新日期：2018-12-01 00:00:00

abstract：:Legionella and amebae populations in 16 cooling towers were challenged with three commercially available biocide formulations. The active agents were: a chlorinated phenolic thioether (CPTE), bromo-nitro-propane-diol (BNPD), and bromo-chloro-dimethylhydantoin (BCD, in briquette form). The towers were dosed with these ...

journal_title：Current microbiology

authors： Bentham RH,Broadbent CR

更新日期：1995-03-01 00:00:00

abstract：:Aminopeptidases (APN) may play a role in host colonization of M. gallinarum. Characterization of endogenous APN activity suggests that the leucine APN (LAP) of M. gallinarum is a metallo-aminopeptidase activated by Mn2+ and is present in the cytosol and possibly associated with the inner leaflet of the membrane. A 1.3...

journal_title：Current microbiology

authors： Wan X,Branton SL,Hanson LA,Pharr GT

更新日期：2004-01-01 00:00:00

abstract：:Leptospirosis is an important global zoonotic disease caused by pathogenic Leptospira spp. species. Swine leptospirosis has a major economic impact because pigs are sources of animal protein and by-products. The signs of swine leptospirosis are abortion, stillbirth, birth of weak or ill piglets, appearing 14-60 days a...

journal_title：Current microbiology

authors： Hartleben CP,Leal FM,Monte LG,Hartwig DD,Seixas FK,Vasconcellos SA,Brihuega B,Dellagostin OA

更新日期：2013-02-01 00:00:00

abstract：:Protease production by Streptomyces sp. 594 was obtained after submerged fermentation (SF) and solid-state fermentation (SSF) using feather meal (FM) and corn steep liquor (CSL) as sole sources of carbon and nitrogen. Enzyme productions were 13.4 U ml(-1) in SF and 21.5 U g(-1) in SSF; these values were approximately ...

journal_title：Current microbiology

authors： De Azeredo LA,De Lima MB,Coelho RR,Freire DM

更新日期：2006-10-01 00:00:00

abstract：:Pseudomonas sp. OX1, an aromatic compound-degrading bacterium that was tentatively identified by conventional biochemical methods as P. stutzeri, has now been investigated at the molecular level to clarify its taxonomic position. Amplified ribosomal DNA restriction analysis and multiple enzyme restriction fragment len...

journal_title：Current microbiology

authors： Radice F,Orlandi V,Massa V,Cavalca L,Demarta A,Wood TK,Barbieri P

更新日期：2006-05-01 00:00:00

abstract：:Bacillus thuringiensis strain BtMC28 was isolated from the soil sample in China. Two novel crystal protein genes were found by using the PCR-RFLP method. Moreover, the full-length sequences of two novel genes were obtained by a single oligonucleotide nested (SON)-PCR upstream and downstream strategy. Sequence analysis...

journal_title：Current microbiology

authors： Tan F,Zhu J,Tang J,Tang X,Wang S,Zheng A,Li P

更新日期：2009-06-01 00:00:00

abstract：:Ansamycins is a group of type I polyketides characterized by the unique starter unit 3-amino-5-hydroxybenzoic acid. This family of secondary metabolites shows diverse biological activities, well-known members of which include rifamycin, geldanamycin, and maytansine. Previously, we isolated an AHBA synthase gene-positi...

journal_title：Current microbiology

authors： Xie C,Deng JJ,Wang HX

更新日期：2015-06-01 00:00:00

abstract：:In the present work, Aspergillus fumigatus is described as a higher producer of hydrolytic enzymes secreted in response to the presence of the Callosobruchus maculatus bruchid pest. This fungus was able to grow over cowpea weevil shells as a unique carbon source, secreting alkaline proteolytic and chitinolytic enzymes...

journal_title：Current microbiology

authors： Pereira JL,Franco OL,Noronha EF

更新日期：2006-06-01 00:00:00

abstract：:Bt cotton was the first genetically modified crop approved for use in India. However, only a few studies have been conducted to assess the feasibility of its commercial application. Bt cotton is genetically modified to express a proteinaceous endotoxin (Cry) encoded by cry gene of Bacillus thuringiensis that has speci...

journal_title：Current microbiology

authors： Kapur M,Bhatia R,Pandey G,Pandey J,Paul D,Jain RK

更新日期：2010-08-01 00:00:00

abstract：:Mycoplasma penetrans invades HeLa cells and survives within them for prolonged periods of time. The intracellular distribution of M. penetrans within HeLa cells was studied utilizing the acidotropic dye LysoTracker (green), which permeates cell membranes and upon protonation remains trapped in acidic compartments. The...

journal_title：Current microbiology

authors： Tarshis M,Yavlovich A,Katzenell A,Ginsburg I,Rottem S

更新日期：2004-08-01 00:00:00

abstract：:An in vitro study was conducted to examine the metabolism of histidine (His) by mixed rumen bacteria (B), mixed rumen protozoa (P), and a combination of the two (BP). Rumen microorganisms were collected from fistulated goats fed with lucerne cubes (Medicago sativa) and a concentrate mixture twice a day. Microbial susp...

journal_title：Current microbiology

authors： Wadud S,Onodera R,Or-Rashid MM,Oshiro S

更新日期：2001-01-01 00:00:00

abstract：:Cell protein profiles of submerged cultures of Streptomyces aureofaciens cultivated in the absence or presence of 12 microM benzyl thiocyanate (BT) were analyzed by one-dimensional SDS polyacrylamide gel electrophoresis. Substantial increase in the intensity of the 13, 35, 37, 60, and 100 kDa protein bands was observe...

journal_title：Current microbiology

authors： Novotná J,Li XM,Novotná J,Vohradský J,Weiser J

更新日期：1995-08-01 00:00:00

abstract：:An autolysis chitinase was purified from the cultural medium of the anaerobic fungus Piromyces communis OTS1 by ammonium sulfate precipitation, affinity chromatography with regenerated chitin, chromato-focusing, gel filtration, and chromato-focusing again. The optimal pH and temperature were 6.0 and 50 degrees C, resp...

journal_title：Current microbiology

authors： Sakurada M,Morgavi DP,Komatani K,Tomita Y,Onodera R

更新日期：1997-07-01 00:00:00

abstract：:The isolate RNP4 obtained from a long-term tannery waste contaminated soil was characterized and presumptively identified as Pseudomonas sp. The strain RNP4 tolerated concentrations up to 450 mg Cr(6+)/L on a Luria-Bartani (LB) agar medium and reduced a substantial amount of Cr(6+) to Cr(3+) in the LB liquid medium. T...

journal_title：Current microbiology

authors： Rajkumar M,Nagendran R,Lee KJ,Lee WH

更新日期：2005-05-01 00:00:00

abstract：:The cyclomaltodextrinase gene from Bacillus subtilis high-temperature growth transformant H-17 was cloned on separate PstI, BamHI, and EcoRI fragments into the plasmid vector pUC18, but was expressed in an inactive form in the host, Escherichia coli DH5 alpha. High level constitutive expression of the gene product was...

journal_title：Current microbiology

authors： Krohn BM,Lindsay JA

更新日期：1993-04-01 00:00:00

abstract：:Comamonas thiooxidans (strain S23(T)) capable of oxidizing thiosulfate under a mixotrophic growth condition was isolated from a sulfur spring. DNA-DNA homology study showed 55% similarity with Comamonas testosteroni KCTC2990(T) and 52% with Comamonas composti LMG24008(T), the nearest phylogenetic relative (16S rRNA se...

journal_title：Current microbiology

authors： Narayan KD,Pandey SK,Das SK

更新日期：2010-10-01 00:00:00