Cellular transformation by human T-cell leukemia virus type I.

abstract：:Marine snow aggregates are microbial hotspots that support high bacterial abundance and activities. We conducted laboratory experiments to compare cell-specific bacterial protein production (BPP) and protease activity between free-living and attached bacteria. Natural bacterial assemblages attached to model aggregates...

journal_title：FEMS microbiology letters

authors： Grossart HP,Tang KW,Kiørboe T,Ploug H

更新日期：2007-01-01 00:00:00

abstract：:Salmonella enterica serovar Agona is an important zoonotic pathogen, causing serious human illness worldwide, but knowledge about its genetics and evolution, especially regarding the genomic events that might have contributed to the formation of S. Agona as an important pathogen, is lacking. As a first step toward und...

journal_title：FEMS microbiology letters

authors： Chen F,Poppe C,Liu GR,Li YG,Peng YH,Sanderson KE,Johnston RN,Liu SL

更新日期：2009-04-01 00:00:00

abstract：:The riboflavin kinase encoding gene ribR is situated within a 12 genes locus ytmI-ytnM of the Bacillus subtilis chromosome. Here we demonstrate that ribR is transcribed as part of a 10 kb ytmI-ytnM operon. The riboflavin overproduction phenotype of B. subtilis ribC mutant strains, which is a result of the strongly red...

journal_title：FEMS microbiology letters

authors： Solovieva IM,Kreneva RA,Errais Lopes L,Perumov DA

更新日期：2005-02-01 00:00:00

abstract：:The coiled-coil protein DivIVA is a determinant of apical growth and hyphal branching in Streptomyces coelicolor. We have investigated the properties of this protein and the involvement of different domains in its essential function and subcellular targeting. In S. coelicolor cell extracts, DivIVA was present as large...

journal_title：FEMS microbiology letters

authors： Wang SB,Cantlay S,Nordberg N,Letek M,Gil JA,Flärdh K

更新日期：2009-08-01 00:00:00

abstract：:Staphylococcus aureus represents the most prevalent cause of food-borne intoxications worldwide. While being repressed by competing bacteria in most matrices, this pathogen exhibits crucial competitive advantages during growth at high salt concentrations or low pH, conditions frequently encountered in food production ...

journal_title：FEMS microbiology letters

authors： Sihto HM,Tasara T,Stephan R,Johler S

更新日期：2014-07-01 00:00:00

abstract：:To investigate the auto-ecology of a strain of Gigaspora margarita in a commercial inoculum, we found a pair of PCR primers amplifying a sequence of 235 bp diagnostic of the isolate. We designed an oligonucleotide probe based on the DNA sequence. The combination of PCR and the probing successfully detected the diagnos...

journal_title：FEMS microbiology letters

authors： Yokoyama K,Tateishi T,Marumoto T,Saito M

更新日期：2002-07-02 00:00:00

abstract：:We cloned and characterized the Neisseria meningitidis rfaC gene which encodes an enzyme, alpha-1,5 heptosyltransferase I, involved in the synthesis of the deep-core of the lipooligosaccharide. The N. meningitidis rfaC mutant, obtained by an allelic exchange, produced lipooligosaccharide which migrated faster in sodiu...

journal_title：FEMS microbiology letters

authors： Stojiljkovic I,Hwa V,Larson J,Lin L,So M,Nassif X

更新日期：1997-06-01 00:00:00

abstract：:The growing demand to replace fossil fuels with renewable alternatives has generated an urgent and imminent global need to find new non-fossil sources. Sweet sorghum is widely recognized as a highly promising biomass energy crop with the particular potential to complement sugarcane for ethanol production. Our aim in t...

journal_title：FEMS microbiology letters

authors： Durán MA,Dantur K,Ruiz RM,Romero ER,Zossi S,Gusils C

更新日期：2018-07-01 00:00:00

abstract：:The role in virulence of Actinobacillus pleuropneumoniae urease activity was investigated. A urease-negative mutant was isolated following transposon mutagenesis with a mini-Tn10 derivative. Both the parent strain and the urease-negative mutant exhibited identical LD50 values in a murine infection model. Pig challenge...

journal_title：FEMS microbiology letters

authors： Tascón Cabrero RI,Vázquez-Boland JA,Gutiérrez CB,Rodríguez-Barbosa JI,Rodríguez-Ferri EF

更新日期：1997-03-01 00:00:00

abstract：:Twitching motility is a form of bacterial translocation over solid or semi-solid surfaces mediated by the extension, tethering, and subsequent retraction of type IV pili. These pili are also known to be involved in virulence, biofilm formation, formation of fruiting bodies, horizontal gene transfer, and protein secret...

journal_title：FEMS microbiology letters

authors： Coil DA,Anné J

更新日期：2009-04-01 00:00:00

abstract：:The aims of our research were to investigate the gene expression of the multidrug efflux transporter, CDR1 and the major drug facilitator superfamily transporter, MDR1 gene in azole drug-resistant Candida albicans and Candida glabrata clinical isolates recovered from vaginitis patients; and to identify hotspot mutatio...

journal_title：FEMS microbiology letters

authors： Looi CY,D' Silva EC,Seow HF,Rosli R,Ng KP,Chong PP

更新日期：2005-08-15 00:00:00

abstract：:Pythium drechsleri Paul was described as a new species from soil samples taken in a salt-marsh of Arzew, Algeria [Paul, B. (1988) Une nouvelle espèce de Pythium isolée d'une saline de l'ouest Algérien. Cryptogam. Mycol. 9, 325-333]. The name of the fungus, P. drechsleri, is a nomen invalidum, as it is a later homonym ...

journal_title：FEMS microbiology letters

authors： Paul B

更新日期：2000-02-01 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：: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：:The aim of this study was the production of the homopolyester poly(4-hydroxybutyric acid) (poly(4HB)) with recombinant strains of Escherichia coli. Wild-type strains and other widely used non-recombinant strains of E. coli are not able to produce polyhydroxyalkanoic acids (PHA) as storage compounds and cannot utilize ...

journal_title：FEMS microbiology letters

authors： Hein S,Söhling B,Gottschalk G,Steinbüchel A

更新日期：1997-08-15 00:00:00

abstract：:The influence of nutritional and physical stress on sporulation, conidial germination and vegetative biomass of Ophiocordyceps sinensis, one of the most important medicinal fungi in China and now globally, was evaluated using a two-stage culture method. All the treatments, except nutrient deprivation, enhanced conidia...

journal_title：FEMS microbiology letters

authors： Ren SY,Yao YJ

更新日期：2013-09-01 00:00:00

abstract：:Emergence of races in Fusarium oxysporum f. sp. lycopersici (Fol) is caused by loss or mutation of at least one avirulence (AVR) gene. The product of AVR1 is a small protein (Avr1) secreted by Fol in tomato xylem sap during infection. This protein triggers Fol race 1 specific resistance (I) in tomato, indicating that ...

journal_title：FEMS microbiology letters

authors： Kashiwa T,Suzuki T,Sato A,Akai K,Teraoka T,Komatsu K,Arie T

更新日期：2016-07-01 00:00:00

abstract：:It is known that certain yeast strains, so called 'killers', can produce and excrete proteinaceous toxins that can induce death of other sensitive strains. We obtained a stable fungicidal factor (SKF) through concentration and stabilization of the excretion product of certain killer strains of Saccharomyces cerevisiae...

journal_title：FEMS microbiology letters

authors： Bracesco N,Salvo VA,Carrau FM,Nunes E

更新日期：2006-03-01 00:00:00

abstract：:The transcriptional repressor Rex has been implicated in the regulation of energy metabolism and fermentative growth in response to redox potential. Streptococcus mutans, the primary causative agent of human dental caries, possesses a gene that encodes a protein with high similarity to members of the Rex family of pro...

journal_title：FEMS microbiology letters

authors： Bitoun JP,Nguyen AH,Fan Y,Burne RA,Wen ZT

更新日期：2011-07-01 00:00:00

abstract：:A red-pigmented, Gram-negative, motile, strictly aerobic, mesophilic, oval- or short rod-shaped bacterium (TDMA-17(T)) was isolated from fresh water collected at Misasa, a radioactive site in Japan. TDMA-17(T) was slightly tolerant against gamma-ray irradiation, and effectively produced carotenoids (2.8 mg g(-1) dry c...

journal_title：FEMS microbiology letters

authors： Asker D,Beppu T,Ueda K

更新日期：2007-08-01 00:00:00

abstract：:Yeast Cia2p is a component of the cytosolic Fe/S protein assembly (CIA) machinery. Initial studies of the CIA machinery were performed in yeast, but the precise role of Cia2p in this eukaryote is still unknown. We report that CIA2 deficiency results in impaired oxidative stress response, as evidenced by increased sens...

journal_title：FEMS microbiology letters

authors： Zhao W,Zheng HZ,Niu YJ,Yuan Y,Fang BX,Liu YN,Cai LH,Zhou ZJ,Liu XG

更新日期：2015-03-01 00:00:00

abstract：:The genus Phytomonas is responsible for many diseases in different crop plant species. The finding that chitin is an exposed cell surface polysaccharide in Phytomonas françai and the observation that chitinases can inhibit fungal growth raises expectations about the potential effect of plant chitinases on the P. franç...

journal_title：FEMS microbiology letters

authors： Gomes Rocha GC,Nicolich R,Romeiro A,Margis-Pinheiro M,Attias M,Alves-Ferreira M

更新日期：2003-09-12 00:00:00

abstract：:The Gram-negative anaerobe Dichelobacter nodosus is the causative agent of footrot in sheep. Different strains of D. nodosus cause disease of differing severities, ranging from benign to virulent. Virulent strains have greater twitching motility and secrete proteases that are more thermostable than those secreted by b...

journal_title：FEMS microbiology letters

authors： Palanisamy SK,Fletcher C,Tanjung L,Katz ME,Cheetham BF

更新日期：2010-01-01 00:00:00

abstract：:The RpoS sigma factor is required for the transition of Escherichia coli into stationary phase, as well as adaptation to environmental stresses and nutrient depletion. In this study, we report that under nutrient poor conditions, RpoS protein accumulation in E. coli was strongly enhanced by a secreted factor. Expressi...

journal_title：FEMS microbiology letters

authors： Holland AM,Rather PN

更新日期：2008-09-01 00:00:00

abstract：:The main determinant of the plant pathogen Erwinia chrysanthemi virulence is the production of extracellular enzymes, mainly pectate lyases. Adjacent to a pectate lyase encoding locus, we identified the gene rotA supposed to encode a folding catalyst. Overproduction of the protein and assay of activity using a synthet...

journal_title：FEMS microbiology letters

authors： Pissavin C,Hugouvieux-Cotte-Pattat N

更新日期：1997-12-01 00:00:00

abstract：:Mild alkaline solutions (beta-elimination), after removing the non-covalently bonded wall materials by hot SDS, released 13% and 26% of remaining wall proteins from mycelial and yeast cells of Candida albicans, respectively. When the beta-elimination was carried out after digestion of the walls with chitinase, four-fo...

journal_title：FEMS microbiology letters

authors： Mormeneo S,Marcilla A,Iranzo M,Sentandreu R

更新日期：1994-10-15 00:00:00

abstract：:The ADAMs are a family of integral membrane proteases involved in shedding and fusion events in animal tissues. Here, we report the identification of two ADAMs, ADM-A and ADM-B, in the pathogenic fungus Aspergillus fumigatus. The domain structure of metazoan ADAMs was seen in ADM-A and -B, although with some differenc...

journal_title：FEMS microbiology letters

authors： Lavens SE,Rovira-Graells N,Birch M,Tuckwell D

更新日期：2005-07-01 00:00:00

abstract：:The devR-devS two-component system of Mycobacterium tuberculosis was identified earlier and partially characterized in our laboratory. A devR::kan mutant of M. tuberculosis was constructed by allelic exchange. The devR mutant strain showed reduced cell-to-cell adherence in comparison to the parental strain in laborato...

journal_title：FEMS microbiology letters

authors： Malhotra V,Sharma D,Ramanathan VD,Shakila H,Saini DK,Chakravorty S,Das TK,Li Q,Silver RF,Narayanan PR,Tyagi JS

更新日期：2004-02-16 00:00:00

abstract：:Bacteria carry a number of genes that cause cell growth arrest or cell lysis upon expression. Notably, defective prophages retain many lysis proteins. Here, we identified a novel lytic gene, ydfD, on the Qin prophage segment of the Escherichia coli genome. YdfD lyses 99.9% of cells within 2 h of its induction. The co-...

journal_title：FEMS microbiology letters

authors： Masuda H,Awano N,Inouye M

更新日期：2016-03-01 00:00:00

abstract：:Acinetobacter sp. strain 20B was isolated based on the ability to utilize dimethyl sulfide as the sole sulfur source. Since strain 20B oxidized indole as well as dimethyl sulfide, indigo production by recombinant Escherichia coli clones carrying Acinetobacter DNA was used as a selection for cloning genes encoding dime...

journal_title：FEMS microbiology letters

authors： Horinouchi M,Kasuga K,Nojiri H,Yamane H,Omori T

更新日期：1997-10-01 00:00:00