Spirochaeta smaragdinae sp. nov., a new mesophilic strictly anaerobic spirochete from an oil field.

abstract：:Stability of the membrane-bound and purified H+-translocating NADH:ubiquinone oxidoreductase, Complex I, was studied. The loss of the enzyme activity is strongly increased by alkaline pH and dilution of the sample. Complex I inactivation is prevented specifically by a low concentration of Ca2+ and/or an intracellular ...

journal_title：FEMS microbiology letters

authors： Belevich G,Belevich N,Knuuti J,Verkhovskaya M

更新日期：2018-06-01 00:00:00

abstract：:The distribution of the antiseptic-resistance genes qacE and qacE delta 1 was studied in a large number of Gram-negative bacteria by a method that included the polymerase chain reaction (PCR). A total of 117 strains of Gram-negative bacteria, isolated from clinical or environmental sources, was used in this analysis. ...

journal_title：FEMS microbiology letters

authors： Kazama H,Hamashima H,Sasatsu M,Arai T

更新日期：1998-02-15 00:00:00

abstract：:The aim of this study was to screen two cheese starter cultures and cheese-borne microbial communities with the potential to produce biogenic amines in cheese during ripening. Bacteria of the genera Enterococcus and Lactobacillus and coliform bacteria were isolated from Dutch-type semi-hard cheese at the beginning of ...

journal_title：FEMS microbiology letters

authors： Burdychova R,Komprda T

更新日期：2007-11-01 00:00:00

abstract：:Bacterial swarming motility is a flagella-dependent translocation on the surface environment. It has received extensive attention as a population behavior involving numerous genes. Here, we report that Citrobacter freundii, an opportunistic pathogen, exhibits swarming movement on a solid medium surface with appropriat...

journal_title：FEMS microbiology letters

authors： Cong Y,Wang J,Chen Z,Xiong K,Xu Q,Hu F

更新日期：2011-04-01 00:00:00

abstract：:Inoculation of soil with bacteria (a Gram-negative rod [PD2] and a 4-membered consortium [DC1]) accelerated mineralisation of phenanthrene and pyrene (but not naphthalene) added individually to a pristine sand and a pristine organic soil. The half-life of naphthalene was 3.5 days in both soils whether inoculated or no...

journal_title：FEMS microbiology letters

authors： Smith MJ,Lethbridge G,Burns RG

更新日期：1997-07-01 00:00:00

abstract：:Recently, a novel verocytotoxin named VT2y was described which belongs to the STx family and is produced by Escherichia coli isolated from domestic poultry with swollen head syndrome (SHS). The VT2y toxin induced apoptosis in Vero, HeLa, CHO, CEF (primary chicken embryo fibroblast) and PCK (primary chicken kidney) cel...

journal_title：FEMS microbiology letters

authors： Salvadori MR,Yamada AT,Yano T

更新日期：2001-04-01 00:00:00

abstract：:The emergence of antibiotic resistance has necessitated new therapeutic approaches for combating persistent bacterial infection. An alternative approach is regulation of bacterial virulence instead of growth suppression, which can readily lead to drug resistance. The virulence of the opportunistic human pathogen Pseud...

journal_title：FEMS microbiology letters

authors： Lee JH,Kim YG,Cho MH,Kim JA,Lee J

更新日期：2012-04-01 00:00:00

abstract：:An Escherichia coli mutant defective in high-affinity D-ribose transport is able to utilize the sugar as a sole carbon source, suggesting that other transport systems for D-ribose exist. In order to search for such transporters, transposon mutagenesis was carried out in an rbsB-negative strain containing ribokinase (r...

journal_title：FEMS microbiology letters

authors： Song S,Park C

更新日期：1998-06-15 00:00:00

abstract：:Amanita exitialis Zhu L. Yang and T.H. Li is a lethal mushroom species recently isolated in Guangdong Province, China. In this report, a pure culture of this species was obtained for the first time. To confirm the identity of the pure culture, the internal transcribed spacer regions of the nuclear ribosomal DNA of the...

journal_title：FEMS microbiology letters

authors： Zhang P,Chen Z,Hu J,Wei B,Zhang Z,Hu W

更新日期：2005-11-15 00:00:00

abstract：:A new type II restriction endonuclease, SshAI, was purified from Salmonella shikmonah TK139 of kangaroo origin. The recognition and cleavage specificity of Ssh AI was determined to be 5'-CC/TNAGG-3', identical to that of SauI from Streptomyces aureofaciens and Bsu36I from Bacillus subtilis. Based on closely related an...

journal_title：FEMS microbiology letters

authors： Miyahara M,Nakajima K,Kawanishi T,Mise K

更新日期：1990-01-01 00:00:00

abstract：:Legionella pneumophila is known as a facultative intracellular parasite of free-living soil and freshwater amoebae, of which several species have been shown to support the growth of the pathogenic bacteria. We report for the first time the behaviour of two strains (c2c and Z503) of the amoeba Willaertia magna towards ...

journal_title：FEMS microbiology letters

authors： Dey R,Bodennec J,Mameri MO,Pernin P

更新日期：2009-01-01 00:00:00

abstract：:The activities of some enzymes belonging to the Leloir pathway, phosphoglucomutase, UDP-glucose pyrophosphorylase, UDP-galactose 4-epimerase and galactose 1-P uridyl transferase, were studied in a wild ropy, a non-ropy and an overproducing mutant ropy strain of Streptococcus thermophilus. These activities were assayed...

journal_title：FEMS microbiology letters

authors： Escalante A,Villegas J,Wacher C,García-Garibay M,Farrés A

更新日期：2002-04-09 00:00:00

abstract：:In Corynebacterium glutamicum the promoter of the araBAD Escherichia coli gene is positively regulated by both arabinose and the araC gene product, as it is the case in the natural host. If the L-arabinose inducer and an active araC gene are present, significant amounts of araBAD promoter expression take place in the ...

journal_title：FEMS microbiology letters

authors： Ben-Samoun K,Leblon G,Reyes O

更新日期：1999-05-01 00:00:00

abstract：:We transformed haploid mycelium of Hebeloma cylindrosporum via Agrobacterium tumefaciens and optimised the procedure to develop a new tool for insertional mutagenesis in this fungus. Southern blot analysis of 83 randomly selected transformants showed that they all contained plasmid inserts. Each of them showed a uniqu...

journal_title：FEMS microbiology letters

authors： Combier JP,Melayah D,Raffier C,Gay G,Marmeisse R

更新日期：2003-03-14 00:00:00

abstract：:We have established an improved large deletion method in Escherichia coli genome using a combination of two different recombination systems, lambda Red and Cre/loxP. The loxP site could be rapidly and efficiently integrated in the genome by lambda Red and large deletions of both 117- and 165-kbp regions could be gener...

journal_title：FEMS microbiology letters

authors： Fukiya S,Mizoguchi H,Mori H

更新日期：2004-05-15 00:00:00

abstract：:A smooth colony strain, resistant to phages lambda and P22, was isolated from sewage and identified as Escherichia coli (strain H). Four temperate phages plaquing on strain H were isolated from sewage. The archetype, HK620, does not plaque on strains C and K12 of E. coli nor on the LT2 strain of Salmonella enterica. B...

journal_title：FEMS microbiology letters

authors： Dhillon TS,Poon AP,Chan D,Clark AJ

更新日期：1998-04-01 00:00:00

abstract：:We constructed mutant genes of Caldococcus noboribetus isocitrate dehydrogenase containing ancestral amino acid residues that were inferred using the maximal likelihood method and a composite phylogenetic tree of isocitrate dehydrogenase and 3-isopropylmalate dehydrogenase. The mutant genes were expressed in Escherich...

journal_title：FEMS microbiology letters

authors： Iwabata H,Watanabe K,Ohkuri T,Yokobori S,Yamagishi A

更新日期：2005-02-15 00:00:00

abstract：:Isolates of anaerobic fungi obtained from the rumen, duodenum and faeces of sheep were identified as Piromyces mae based on their morphological characteristics observed using light microscopy. There was no significant morphological variation among the isolates of P. mae from the rumen, duodenum and faeces. Isozymes of...

journal_title：FEMS microbiology letters

authors： Wong MV,Ho YW,Tan SG,Abdullah N,Jalaludin S

更新日期：1995-12-01 00:00:00

abstract：:The enteric conjugative transposon-like IncJ elements R391, R392, R705, R706 and pMERPH, all demonstrated increased conjugative transfer upon UV irradiation. The transfer frequency increased on average from its basal rate of 10(-5) to 10(-3) per recipient, upon pre-exposure to UV irradiation. However, the transfer fre...

journal_title：FEMS microbiology letters

authors： McGrath BM,O'Halloran JA,Pembroke JT

更新日期：2005-02-15 00:00:00

abstract：:Two isolates, belonging to a new species of a novel genus of the Phylum "Deinococcus/Thermus ", were recovered from hot spring runoffs on the Island of São Miguel in the Azores. Strains RQ-24(T) and TU-8 are the first cultured representatives of a distinct phylogenetic lineage within this phylum. These strains form or...

journal_title：FEMS microbiology letters

authors： Albuquerque L,Simões C,Nobre MF,Pino NM,Battista JR,Silva MT,Rainey FA,da Costa MS

更新日期：2005-06-15 00:00:00

abstract：:We found that the presence of plasmids expressing tetracycline resistance or chloramphenicol resistance genes, but not those expressing ampicillin resistance or kanamycin resistance genes, in Escherichia coli led to the retardation of the process of removal of the heat-aggregated proteins (i.e. the S fraction) from th...

journal_title：FEMS microbiology letters

authors： Kedzierska S,Staniszewska M,Potrykus J,Wegrzyn G

更新日期：1999-07-15 00:00:00

abstract：:Ovine footrot is a debilitating and highly infectious disease that is primarily caused by the Gram-negative, anaerobic bacterium Dichelobacter nodosus. The major antigens implicated in virulence are the type IV fimbriae and extracellular proteases. The fimbriae show sequence and structural similarity to other type IV ...

journal_title：FEMS microbiology letters

authors： Billington SJ,Johnston JL,Rood JI

更新日期：1996-12-01 00:00:00

abstract：:Saccharomyces cerevisiae was transformed with a genomic library from Penicillium purpurogenum, and an endoxylanase-producing yeast clone (named 44A) that grows on xylose or xylan as sole carbon source was isolated. This yeast synthesizes xynA mRNA and secretes endoxylanase A to culture media when grown on xylan or xyl...

journal_title：FEMS microbiology letters

authors： Chávez R,Navarro C,Calderón I,Peirano A,Bull P,Eyzaguirre J

更新日期：2002-07-02 00:00:00

abstract：:Soil isolate Pseudomonas sp. strain AKN5 degrades atrazine as the sole source of nitrogen. The strain showed expeditious growth on medium containing citrate as the carbon source and ammonium chloride as the nitrogen source as compared to citrate plus atrazine or cyanuric acid. Biochemical and nitrogen-source-dependent...

journal_title：FEMS microbiology letters

authors： Sharma A,Kalyani P,Trivedi VD,Kapley A,Phale PS

更新日期：2019-01-01 00:00:00

abstract：:Salmonella uses type III secretion systems (TTSS) to deliver pathogenic proteins into the host cells. These translocated effectors induce bacterial internalization and intracellular proliferation by targeting important cellular processes that are conserved among eukaryotes. Here, we assessed the feasibility of perform...

journal_title：FEMS microbiology letters

authors： Alemán A,Fernández-Piñar P,Pérez-Núñez D,Rotger R,Martín H,Molina M

更新日期：2009-06-01 00:00:00

abstract：:The genes mphA and mphB encode macrolide 2'-phosphotransferases I and II, respectively, and they confer resistance to macrolide antibiotics in Escherichia coli. To study the expression of these genes in Gram-positive bacteria, we constructed recombinant plasmids that consisted of an mph gene and the pUB110 vector in B...

journal_title：FEMS microbiology letters

authors： Noguchi N,Tamura Y,Katayama J,Narui K

更新日期：1998-02-15 00:00:00

abstract：:Resveratrol (3,5,4'-trihydroxy-trans-stilbene), an antifungal phytoalexin produced by grapes, peanuts, and Japanese knotweeds, is thought to be a beneficial dietary phytochemical in red wine and grape juice. Information on its antibacterial properties and biotransformation, however, is limited. We surveyed the interac...

journal_title：FEMS microbiology letters

authors： Jung CM,Heinze TM,Schnackenberg LK,Mullis LB,Elkins SA,Elkins CA,Steele RS,Sutherland JB

更新日期：2009-08-01 00:00:00

abstract：:Use of the green fluorescent protein (GFP) of Aequorea victoria as a reporter for protein and DNA localization has provided sensitive, new approaches for studying the organization of the bacterial cell, leading to new insights into diverse cellular processes. GFP has many characteristics that make it useful for locali...

journal_title：FEMS microbiology letters

authors： Phillips GJ

更新日期：2001-10-16 00:00:00

abstract：:Two thermostable phytases were identified from Thai isolates of Aspergillus japonicus BCC18313 (TR86) and Aspergillus niger BCC18081 (TR170). Both genes of 1404 bp length, coding for putative phytases of 468 amino acid residues, were cloned and transferred into Pichia pastoris. The recombinant phytases, r-PhyA86 and r...

journal_title：FEMS microbiology letters

authors： Promdonkoy P,Tang K,Sornlake W,Harnpicharnchai P,Kobayashi RS,Ruanglek V,Upathanpreecha T,Vesaratchavest M,Eurwilaichitr L,Tanapongpipat S

更新日期：2009-01-01 00:00:00

abstract：:beta-Glucosidase in Aspergillus nidulans was found to be both intracellular and extracellular. The intracellular beta-glucosidase was synthesized after the exhaustion of carbon source in the medium. The extracellular enzyme appeared with autolysis of the mycelium. Biosynthesis of beta-glucosidase was not induced by va...

journal_title：FEMS microbiology letters

authors： Lee J,Kwon KS,Hah YC

更新日期：1996-01-01 00:00:00