Nodulation-gene-inducing flavonoids increase overall production of autoinducers and expression of N-acyl homoserine lactone synthesis genes in rhizobia.

abstract：:Bacillus subtilis ATCC6633 produces mycosubtilin, a non-ribosomally synthesized lipopeptide of the iturin family which presents antagonistic activities toward various phytopathogens. Different homologues with fatty acid moiety varying from C15 to C17 are usually co-produced, with their biological activities increasing...

journal_title：Research in microbiology

authors： Fickers P,Leclère V,Guez JS,Béchet M,Coucheney F,Joris B,Jacques P

更新日期：2008-07-01 00:00:00

abstract：:During the past twenty-nine years, not a single class of antimicrobial agents has been discovered that has led to new approved human drugs. Despite a dramatic increase in the potency of existing classes, the need for new effective antimicrobial agents continues. The bacterial phosphotransferase system (PTS) offers the...

journal_title：Research in microbiology

authors： Parr TR Jr,Saier MH Jr

更新日期：1992-06-01 00:00:00

abstract：:In contrast to bacteria, mitochondria contain only a few ATP binding cassette (ABC) transporters in their inner membrane. The known mitochondrial ABC proteins fall into two major classes that, in the yeast Saccharomyces cerevisiae, are represented by the half-transporter Atm1p and the two closely homologous proteins M...

journal_title：Research in microbiology

authors： Lill R,Kispal G

更新日期：2001-04-01 00:00:00

abstract：:A variety of pathways for carbon and electron flow in the bacterium Escherichia coli and in other enteric bacteria are differentially expressed depending on whether molecular oxygen is present in the cell environment. This review briefly summarizes the metabolic pathways operative during aerobic versus anaerobic cell ...

journal_title：Research in microbiology

authors： Gunsalus RP,Park SJ

更新日期：1994-06-01 00:00:00

abstract：:The biological complexity of trade-offs has been a major obstacle in understanding bacterial diversity and coexistence. Here we reduce the biological complexity by using isogenic Escherichia coli strains differing only in a multiplication-survival trade-off regulated by RpoS. The contribution of trade-off characterist...

journal_title：Research in microbiology

authors： Maharjan R,Ferenci T

更新日期：2016-04-01 00:00:00

abstract：:Paralytic shellfish toxins (PSTs) are sodium channel blocking (SCB) toxins, produced by cyanobacteria, as well as by marine dinoflagellates and their associated bacteria, and cause serious health and economic concern worldwide. In a previous study, approximately 70% of the bacteria enriched from PST-contaminated shell...

journal_title：Research in microbiology

authors： Vásquez M,Grüttner C,Möeller B,Moore ER

更新日期：2002-07-01 00:00:00

abstract：:Bacteriophages must destroy the bacterial cell wall to lyse their host and release their progeny into the environment. There are at least two distinct mechanisms by which phages destroy the cell wall. Bacteriophages with large genomes use a holin-endolysin system, while bacteriophages with small genomes encode a singl...

journal_title：Research in microbiology

authors： Bernhardt TG,Wang IN,Struck DK,Young R

更新日期：2002-10-01 00:00:00

abstract：:Bordetella isolates in the Saint Petersburg region have been monitored since 1998. Over the past ten years, concomitant with the increase in pertussis whole-cell vaccine coverage, the incidence of whooping cough has decreased. However, this decrease exists only for Bordetella pertussis infections, as the incidence of ...

journal_title：Research in microbiology

authors： Kurova N,Njamkepo E,Brun D,Tseneva G,Guiso N

更新日期：2010-12-01 00:00:00

abstract：:Jarosite precipitates formed in iron oxidising bioreactors have been shown to harbour iron-oxidisers. The aim of this study was to develop an iron oxidising bioprocess where microorganisms are retained solely on biogenic jarosite particles. Based on preliminary experiments using a fluidised-bed bioreactor (FBR), the f...

journal_title：Research in microbiology

authors： Ahoranta S,Hulkkonen H,Salminen T,Kuula P,Puhakka JA,Lakaniemi AM

更新日期：2020-01-01 00:00:00

abstract：:A new actinomycete strain designated US24 producing antibacterial activities against Gram-positive and Gram-negative bacteria was isolated from Tunisian soil. Culture characteristic studies strongly suggested that the US24 strain belonged to the genus Streptomyces. Analysis of the nucleotide sequence of the 16S rRNA g...

journal_title：Research in microbiology

authors： Mellouli L,Ben Ameur-Mehdi R,Sioud S,Salem M,Bejar S

更新日期：2003-06-01 00:00:00

abstract：:Twenty-one Branhamella catarrhalis strains selected for their diversity by esterase electrophoretic polymorphism, and belonging to 20 distinct zymotypes, were studied by restriction fragment length polymorphism (RFLP) of total DNA after ethidium bromide staining and of ribosomal DNA regions (ribotyping). The former an...

journal_title：Research in microbiology

authors： Denamur E,Picard-Pasquier N,Mura C,Picard B,Orfila J,Krishnamoorthy R

更新日期：1991-06-01 00:00:00

abstract：:Mollicute evolution has been marked by significant changes in genome structure and use of their genetic information. These include a reduction in their genome G+C content and the use by most mollicutes of the UGA universal stop codon as tryptophan. More striking is the size reduction in their genome which, for some sp...

journal_title：Research in microbiology

authors： Sirand-Pugnet P,Citti C,Barré A,Blanchard A

更新日期：2007-12-01 00:00:00

abstract：:A strain of Bacteroides fragilis, isolated from the marmoset Callithrix penicillata, produced protein(s) with bacteriocin activity (fragicilin). Two active fractions (36 and 150 kDa) were isolated by chromatography. The bacteriocin exhibited iso- and heteroantagonism. It remained stable between pH 3 and 10 and at 60 d...

journal_title：Research in microbiology

authors： Farias LM,Totola AH,Miranda CM,Carvalho MA,Damasceno CA,Tavares CA,Cisalpino EO,Vieira EC

更新日期：1994-01-01 00:00:00

abstract：:The use of plasmid pKK3535 (a pBR322-derived plasmid containing a ribosomal RNA operon) is described for determining rRNA gene restriction patterns. The plasmid allowed the use of both radioactive as well as nonradioactive procedures and provided features that are necessary for the inclusion of internal and/or externa...

journal_title：Research in microbiology

authors： Altwegg M,Mayer LW

更新日期：1989-05-01 00:00:00

abstract：:Bacteria of the Bacillus cereus group are environmental Gram-positive spore-forming bacteria ubiquitously distributed. Despite the high degree of genetic similarity among the different strains, they show strong phenotypic variability, from mammal or entomopathogen strains to soil-dwelling saprophytes, and from psychro...

journal_title：Research in microbiology

authors： Patiño-Navarrete R,Sanchis V

更新日期：2017-05-01 00:00:00

abstract：:Thirty mosquitocidal strains of Bacillus sphaericus isolated from different sources and localities in Brazil were characterized phenotypically and genetically to determine their relationship. Among the strains tested, 93.3% were shown to be resistant to lincomycin, 96.6% to novobiocin, 60% to chloramphenicol and all s...

journal_title：Research in microbiology

authors： da Silva KR,Rabinovitch L,Seldin L

更新日期：1999-03-01 00:00:00

abstract：:KlADH4 is a gene of Kluyveromyces lactis encoding a mitochondrial alcohol dehydrogenase activity, which is specifically induced by ethanol and insensitive to glucose repression. In this work, we report the molecular analysis of UAS(E), an element of the KlADH4 promoter which is essential for the induction of KlADH4 in...

journal_title：Research in microbiology

authors： Mazzoni C,Santori F,Saliola M,Falcone C

更新日期：2000-01-01 00:00:00

abstract：:Soil is one of the most complex and challenging environments for microbiologists. In fact, although it contains the largest microbial diversity on the planet, the majority of these microbes are still uncharacterized and represent an enormous unexplored reservoir of genetic and metabolic diversity. Metagenomics, the st...

journal_title：Research in microbiology

authors： Mocali S,Benedetti A

更新日期：2010-07-01 00:00:00

abstract：:The structure of spiroplasmas in the Chinese mitten crab associated with tremor disease was studied by transmission electron microscopy techniques, including both negative staining and ultrasectioning. A spiral structure, which is a typical form of spiroplasmas, could be detected and the observations showed for the fi...

journal_title：Research in microbiology

authors： Wang W,Chen J,Du K,Xu Z

更新日期：2004-10-01 00:00:00

abstract：:Monopolization of the vaginal econiche by a limited number of Lactobacillus species, resulting in low pH of 3.5-4.5, has been shown to protect women against vaginal dysbiosis, sexually transmitted infections and adverse pregnancy outcomes. Still, controversy exists as to which characteristics of lactobacilli are most ...

journal_title：Research in microbiology

authors： Vaneechoutte M

更新日期：2017-01-01 00:00:00

abstract：:Total genomic DNA isolated by concentrating seawater and mercury-resistant bacteria were hybridized with a mer probe to detect the presence of homologous DNA sequences in marine coastal waters of the Bay of Bengal, India. Coastal water extracts induced with mercury hybridized with the mer operon of transposon Tn501. M...

journal_title：Research in microbiology

authors： Prabu SK,Mahadevan A

更新日期：1992-03-01 00:00:00

abstract：:We studied exopolysaccharides (EPSs) produced by Halomonas ventosae and Halomonas anticariensis, two novel species of halophilic bacteria. Under optimum environmental and nutritional conditions, H. ventosae strains Al12(T) and Al16 excreted 28.35 mg and 28.95 mg of EPS per 100 ml of culture medium (34.55 and 38.6 mg o...

journal_title：Research in microbiology

authors： Mata JA,Béjar V,Llamas I,Arias S,Bressollier P,Tallon R,Urdaci MC,Quesada E

更新日期：2006-11-01 00:00:00

abstract：:Recent studies suggest that viruses are the most numerous entities in the biosphere; bacteriophages, the viruses that infect Eubacteria and Archaea, constitute a substantial fraction of this population. In spite of their ubiquity, the vast majority of phages in the environment have never been studied and nothing is kn...

journal_title：Research in microbiology

authors： Desplats C,Krisch HM

更新日期：2003-05-01 00:00:00

abstract：:Both Neisseria meningitidis and Streptococcus pneumoniae are naturally transformable species and are known to be freely recombining in the wild. Large multilocus sequence typing (MLST) datasets have been generated for these species. Here we outline an approach which exploits these data sets in order to quantify the ex...

journal_title：Research in microbiology

authors： Feil EJ,Enright MC,Spratt BG

更新日期：2000-07-01 00:00:00

abstract：:The results of a multiple locus variable number of tandem repeat (VNTR) analysis (MLVA)-based study designed to understand the genetic diversity of soil and manure-borne Pseudomonas aeruginosa isolates, and the relationship between these isolates and a set of clinical and environmental isolates, are hereby reported. F...

journal_title：Research in microbiology

authors： Youenou B,Brothier E,Nazaret S

更新日期：2014-01-01 00:00:00

abstract：:Species of Alicyclobacillus, Bacillus and Thermus genera were selected in order to study the possible presence of the (ADP-ribosyl)ation system. These bacteria are thermophilic, aerobic, and were isolated from different geothermal sources. Both activity and expression of (ADP-ribosyl)ating proteins were tested in cell...

journal_title：Research in microbiology

authors： Faraone-Mennella MR,De Maio A,Petrella A,Romano M,Favaloro P,Gambacorta A,Lama L,Nicolaus B,Farina B

更新日期：2006-07-01 00:00:00

abstract：:Biological nitrogen fixation (BNF) is a tightly regulated process that is carried out by diazotrophic microorganisms. The regulatory mechanisms of BNF-related genes are well characterized in Gram-negative models, but they are poorly understood in Gram-positive bacteria. Paenibacillus riograndensis SBR5(T) is a Gram-po...

journal_title：Research in microbiology

authors： Fernandes Gde C,Trarbach LJ,de Campos SB,Beneduzi A,Passaglia LM

更新日期：2014-09-01 00:00:00

abstract：:The tolerance of the lactic acid bacterium Oenococcus oeni to hostile wine conditions is essential for the success of malolactic fermentation (MLF). In this study, reverse transcription quantitative PCR (RT-qPCR) was used to quantify the transcript level of 13 genes that could play a role in adaptation of O. oeni in w...

journal_title：Research in microbiology

authors： Beltramo C,Desroche N,Tourdot-Maréchal R,Grandvalet C,Guzzo J

更新日期：2006-04-01 00:00:00

abstract：:Riemerella anatipestifer (RA) causes major economic losses to the duck industry. Autoinducer-2 (AI-2) is a quorum-sensing signal that regulates bacterial physiology. The luxS and pfs genes are required for AI-2 synthesis in many bacterial species. pfs encodes Pfs, which functions upstream of LuxS in the biosynthesis o...

journal_title：Research in microbiology

authors： Han X,Liu L,Fan G,Zhang Y,Xu D,Zuo J,Wang S,Wang X,Tian M,Ding C,Yu S

更新日期：2015-07-01 00:00:00

abstract：:The diversity and temporal dynamics of bacterial communities in pristine snow around two Russian Antarctic stations was investigated. Taxonomic analysis of rDNA libraries revealed that snow communities were dominated by bacteria from a small number of operational taxonomic units (OTUs) that underwent dramatic swings i...

journal_title：Research in microbiology

authors： Lopatina A,Krylenkov V,Severinov K

更新日期：2013-11-01 00:00:00