Activity of the Streptomyces coelicolor stress-response sigma factor sigmaH is regulated by an anti-sigma factor.

abstract：:Chemical and molecular taxonomic studies were performed on a representative strain of some lactic acid bacteria of unknown taxonomic position isolated from salmonid fish. The results demonstrate that the fish bacterium represents a new species of the genus Lactococcus for which the name Lactococcus piscium sp. nov. is...

journal_title：FEMS microbiology letters

authors： Williams AM,Fryer JL,Collins MD

更新日期：1990-03-01 00:00:00

abstract：:Effects of the two-component sensor-regulator pairs DctBD and NtrBC upon the expression of a dctA::phoA fusion from Rhizobium meliloti were determined under excess and limiting nitrogen concentrations in Escherichia coli. Results indicated that NtrBC affected transcription from the dctA promoter on a number of regulat...

journal_title：FEMS microbiology letters

authors： Allaway D,Boesten B,O'Gara F

更新日期：1995-05-15 00:00:00

abstract：:Carbohydrate-binding components were shown to be present at the surface of Listeria monocytogenes by means of a panel of neoglycoproteins using direct agglutination. These lectin-like components bind on neoglycoproteins bearing D-glucosamine, L-fucosylamine, or para-amino-phenyl-alpha-D-mannopyrannoside residues. The ...

journal_title：FEMS microbiology letters

authors： Cottin J,Loiseau O,Robert R,Mahaza C,Carbonnelle B,Senet JM

更新日期：1990-03-15 00:00:00

abstract：:A collection of 45 epidemiologically unrelated Streptococcus agalactiae strains (group B Streptococcus, GBS), belonging to different serotypes, isolated from pregnant women in China and Russia was studied. Strains were characterized by pulsed-field gel electrophoresis (PFGE) employing hybridization with nine genes pot...

journal_title：FEMS microbiology letters

authors： Dmitriev A,Hu YY,Shen AD,Suvorov A,Yang YH

更新日期：2002-02-19 00:00:00

abstract：:Bacillus subtilis possesses two isogenes encoding glutamate racemases, the poly-gamma-glutamate synthesis-linking Glr enzyme and the YrpC isozyme, and produces abundant amounts of the Glr enzyme. The YrpC isozyme, but not the Glr enzyme, was found to influence the activity of DNA gyrase, as did the MurI-type glutamate...

journal_title：FEMS microbiology letters

authors： Ashiuchi M,Kuwana E,Komatsu K,Soda K,Misono H

更新日期：2003-06-27 00:00:00

abstract：:Using primers corresponding to conserved regions of the bacterial regulatory gene fur, a homologue of this gene from the genome of Rhizobium leguminosarum biovar viciae, the nitrogen-fixing symbiont of peas, was isolated and sequenced. The fur gene is normally expressed constitutively, independent of the presence of F...

journal_title：FEMS microbiology letters

authors： de Luca NG,Wexler M,Pereira MJ,Yeoman KH,Johnston AW

更新日期：1998-11-15 00:00:00

abstract：:Currently, interest in phage science is on the rise again as this subject remains largely unexplored, and its potential diversity mainly untapped. Here, we present phage vB_BsuP-Goe1, a new isolate that infects Bacillus subtilis The phage forms round plaques with a matt outline on agar plates containing a B. subtilis ...

journal_title：FEMS microbiology letters

authors： Willms IM,Hertel R

更新日期：2016-10-01 00:00:00

abstract：:The core metabolism of microorganisms has a major influence on the hydrogen isotopic composition of their fatty acids. Heterotrophic microorganisms produce fatty acids with a deuterium to hydrogen (D/H) ratio either slightly depleted or enriched in D compared to the growth water, while photo- and chemoautotrophic micr...

journal_title：FEMS microbiology letters

authors： Heinzelmann SM,Chivall D,M'Boule D,Sinke-Schoen D,Villanueva L,Damsté JS,Schouten S,van der Meer MT

更新日期：2015-05-01 00:00:00

abstract：:Bradyrhizobium japonicum has two types of flagella. One has thin filaments consisting of the 33-kDa flagellins FliCI and FliCII (FliCI-II) and the other has thick filaments consisting of the 65-kDa flagellins FliC1, FliC2, FliC3, and FliC4 (FliC1-4). To investigate the roles of each flagellum in competition for nodula...

journal_title：FEMS microbiology letters

authors： Althabegoiti MJ,Covelli JM,Pérez-Giménez J,Quelas JI,Mongiardini EJ,López MF,López-García SL,Lodeiro AR

更新日期：2011-06-01 00:00:00

abstract：:Periodic evolution of H(2)S during aerobic chemostat culture of Saccharomyces cerevisiae resulted in ultradian metabolic oscillation via periodic inhibition of respiratory activity. To understand the nature of periodic H(2)S evolution, we investigated whether oxidative stress is associated with H(2)S production. The c...

journal_title：FEMS microbiology letters

authors： Kwak WJ,Kwon GS,Jin I,Kuriyama H,Sohn HY

更新日期：2003-02-14 00:00:00

abstract：:Mycobacterium leprae incorporated exogenously supplied pyrimidines as bases or nucleosides, but not as a nucleotide, into its nucleic acids. Notably, thymine was incorporated approximately 5 times more rapidly than thymidine by both suspensions of, or intracellular M. leprae. Thymine incorporation was significantly in...

journal_title：FEMS microbiology letters

authors： Wheeler PR

更新日期：1989-01-15 00:00:00

abstract：:Binding of meningitis-causing Escherichia coli K1 to human brain microvascular endothelial cells (HBMEC) contributes to traversal of the blood-brain barrier, which occurs in part by the mannose-sensitive binding of FimH. In this study, we showed that FimH also binds to HBMEC, independent of mannose, and identified ATP...

journal_title：FEMS microbiology letters

authors： Shin S,Kim KS

更新日期：2010-02-01 00:00:00

abstract：:Clostridium difficile is the causative agent for pseudomembranous colitis in humans. Toxic strains of C. difficile produce two toxins, toxin A and toxin B. A reliable and definitive method of typing the toxic strains of C. difficile is needed since nosocomial cross infection is a primary concern in hospitals and other...

journal_title：FEMS microbiology letters

authors： McMillin DE,Muldrow LL

更新日期：1992-04-01 00:00:00

abstract：:A fast screening method was developed to assess the pathogenicity of a diverse collection of environmental and clinical Burkholderia cepacia complex isolates in the nematode Caenorhabditis elegans. The method was validated by comparison with the standard slow-killing assay. We observed that the pathogenicity of B. cep...

journal_title：FEMS microbiology letters

authors： Cardona ST,Wopperer J,Eberl L,Valvano MA

更新日期：2005-09-01 00:00:00

abstract：:High quality Fourier transform infrared (FTIR) spectra were acquired from living Micrasterias hardyi cells maintained in an IR transparent flow-through cell using a FTIR microscope coupled to a synchrotron light source. Spectral maps of living, nutrient-replete cells showed band intensities consistent with the known l...

journal_title：FEMS microbiology letters

authors： Heraud P,Wood BR,Tobin MJ,Beardall J,McNaughton D

更新日期：2005-08-15 00:00:00

abstract：:The fatty acid composition during the transformation of Trypanosoma cruzi epimastigotes into metacyclic trypomastigotes (metacyclogenesis) was analysed by gas-liquid chromatography and mass spectrometry. Significant qualitative and quantitative changes in the fatty acid composition occurred during incubation of epimas...

journal_title：FEMS microbiology letters

authors： Esteves MG,Gonzales-Perdomo M,Alviano CS,Angluster J,Goldenberg S

更新日期：1989-05-01 00:00:00

abstract：:Bacillus cereus is becoming one of the more important causes of food poisoning in the industrialised world. It produces one emetic toxin and three different enterotoxins. The emetic toxin is a ring-shaped structure of three repeats of four amino and/or oxy acids: [D-O-Leu-D-Ala-L-O-Val-L-Val]3. This ring structure has...

journal_title：FEMS microbiology letters

authors： Granum PE,Lund T

更新日期：1997-12-15 00:00:00

abstract：:Streptococcus suis is a worldwide cause of various swine infections and is also an important agent of zoonosis. Strains of S. suis are classified according to their serotype, and currently, 35 serotypes are recognized. The aim of this study was to characterize nontypeable isolates of S. suis with regard to their cell ...

journal_title：FEMS microbiology letters

authors： Bonifait L,Gottschalk M,Grenier D

更新日期：2010-10-01 00:00:00

abstract：:A cadmium-resistant strain of Saccharomyces cerevisiae produces a cadmium metallothionein encoded by the CUP1 gene as does a copper-resistant strain. The mechanism of expression of the gene is inducible by copper ions in the copper-resistant strain. However, assays of CUP1-specific mRNA revealed that the transcription...

journal_title：FEMS microbiology letters

authors： Tohoyama H,Inagawa A,Koike H,Inouhe M,Joho M,Murayama T

更新日期：1992-08-01 00:00:00

abstract：:Members of the genus Actinoplanes are considered to be representative of motile actinomycetes. To infer the flagellar diversity of Actinoplanes species, novel degenerate primers were designed for the flagellin (fliC) gene. The fliC gene of 21 Actinoplanes strains was successfully amplified and classified into two grou...

journal_title：FEMS microbiology letters

authors： Yamamura H,Hanawa K,Kusunoki M,Nakamura K,Nakagawa Y,Ishida Y,Hamada M,Otoguro M,Tamura T,Fujita N,Hayakawa M

更新日期：2011-11-01 00:00:00

abstract：:Lineage-specific genes (LSGs) are defined as genes with sequences that are not significantly similar to those in any other lineage. LSGs have been proposed, and sometimes shown, to have significant effects in the evolution of biological function. In this study, two sets of Hanseniaspora spp. LSGs were identified by co...

journal_title：FEMS microbiology letters

authors： Chen K,Tian Z,Chen P,He H,Jiang F,Long CA

更新日期：2020-06-01 00:00:00

abstract：:The glnAntrBC operon of Proteus vulgaris was cloned and heterologously expressed in Escherichia coli. The nucleotide sequence was determined. An open reading frame of 1407 bp was identified as the glnA gene and the deduced amino acid sequence showed 82% identity with the E. coli glutamine synthetase protein. Heterolog...

journal_title：FEMS microbiology letters

authors： Steglitz-Mörsdorf U,Mörsdorf G,Kaltwasser H

更新日期：1993-01-15 00:00:00

abstract：:Group B streptococci (GBS) represent a very important group of human pathogens. So far little is known about the mechanisms by which these bacteria can cause disease and the bacterial factors involved. One putative virulence factor is the beta antigen of the C protein complex (Bac), which can bind to the Fc region of ...

journal_title：FEMS microbiology letters

authors： Kreikemeyer B,Jerlström PG

更新日期：1999-11-15 00:00:00

abstract：:The identification of virulence factors in Rhodococcus equi has been severely hampered by the lack of a method for in vivo random insertion mutagenesis. This study reports the use of transposomes to generate random insertions of a gene conferring kanamycin resistance into the genome of R. equi ATCC 33701. Southern hyb...

journal_title：FEMS microbiology letters

authors： Mangan MW,Meijer WG

更新日期：2001-12-18 00:00:00

abstract：:As part of the ongoing sequencing of the complete Salmonella typhimurium LT2 genome, a partly ordered set of 416 lambda clones has been developed, representing over 90% of the genome. The average insert size is 17 kb. Sequences were obtained from both ends of each clone in this set. A total of over 600 kb of sequence ...

journal_title：FEMS microbiology letters

authors： Wong RM,Wong KK,Benson NR,McClelland M

更新日期：1999-04-15 00:00:00

abstract：:It was shown that virulent Mycobacterium tuberculosis H37Rv induces necrosis of infected RAW264 cells at 24 h post infection while avirulent H37Ra and an attenuated H37Rv mutant that is deficient for RD1 region (H37RvDeltaRD1) cause less necrosis of the infected cells. While H37Rv caused damage of the mitochondrial in...

journal_title：FEMS microbiology letters

authors： Kaku T,Kawamura I,Uchiyama R,Kurenuma T,Mitsuyama M

更新日期：2007-09-01 00:00:00

abstract：:The major heat shock proteins from Thiobacillus ferrooxidans were identified as DnaK and GroEL equivalents by Western blotting and analysis of the N-terminal amino acid sequence of spots isolated from dried 2-D polyacrylamide electrophoresis gels. The T. ferrooxidans chaperonins showed 70% and 80% identity with the Es...

journal_title：FEMS microbiology letters

authors： Varela P,Jerez CA

更新日期：1992-11-01 00:00:00

abstract：:Shigella strains are human pathogens and their identification is usually based on their O-antigens. The O-antigen gene cluster of Shigella boydii O11 was sequenced. All the expected genes for the synthesis of the O-antigen were identified on the basis of homology and genes for the biosynthesis of dTDP-l-Rhamnose, gene...

journal_title：FEMS microbiology letters

authors： Tao J,Feng L,Guo H,Li Y,Wang L

更新日期：2004-05-01 00:00:00

abstract：:Calcium has been reported to play an important role in regulating the intestinal electrolyte transport via Ca2+/calmodulin (CaM) and/or protein kinase C (PKC) systems. The role of Ca2+, CaM and PKC in the pathogenesis of Campylobacter jejuni-induced fluid accumulation was studied in vivo in ligated rat ileal loops. Ca...

journal_title：FEMS microbiology letters

authors： Kaur R,Ganguly NK,Kumar L,Walia BN

更新日期：1993-08-01 00:00:00

abstract：:There are arguments against the conclusion drawn by Haselwandter and Ebner that fungal spores have survived for some 5300 years on hay padding in the leather boots of a frozen body discovered in the Austrian Alps. According to cryobiological experience, long-term survival of fungal spores is very unlikely at temperatu...

journal_title：FEMS microbiology letters

authors： Gams W,Stalpers JA

更新日期：1994-07-01 00:00:00