Impact of land use history on the arbuscular mycorrhizal fungal diversity in arid soils of Argentinean farming fields.

abstract：:One of the commercial strains of Flammulina velutipes was analyzed for the presence of double-stranded RNA (dsRNA) elements to examine the underlying mechanism of strain degeneration. As a result, two dsRNA elements sized 1.9 and 1.8 kb were detected in mycelium derived from spontaneously brown-colored fruit body. The...

journal_title：FEMS microbiology letters

authors： Magae Y,Hayashi N

更新日期：1999-11-15 00:00:00

abstract：:The effectiveness of an educational board game developed to teach the pharmacology of antimicrobial drugs to medical students was compared with the lecture-based seminar as a supplemental tool to improve short- and long-term knowledge retention and the perception of the learning method by students. A group of 124 stud...

journal_title：FEMS microbiology letters

authors： Karbownik MS,Wiktorowska-Owczarek A,Kowalczyk E,Kwarta P,Mokros Ł,Pietras T

更新日期：2016-04-01 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：:Alignment of published 16S rRNA sequences allowed the definition of a pair of oligonucleotides suitable for polymerase chain reaction (PCR). Using this pair of PCR primers, several mycoplasmas including the four human parasites Mycoplasma genitalium, M. hominis, M. salivarium and M. orale were detected. This DNA ampli...

journal_title：FEMS microbiology letters

authors： Blanchard A,Gautier M,Mayau V

更新日期：1991-06-01 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：:Listeria monocytogenes is a Gram positive pathogen that is ubiquitous in the environment. It is a facultative anaerobic rod that causes listeriosis, a disease with potentially lethal consequences for susceptible individuals. During infection, the pathogen is capable of sequestering metal ions to act as vital biocataly...

journal_title：FEMS microbiology letters

authors： Dowd GC,Casey PG,Begley M,Hill C,Gahan CG

更新日期：2012-02-01 00:00:00

abstract：:Hydrophobin proteins originate from filamentous fungi, which are able to self-assemble at water-air interfaces. Hydrophobins have multiple functions in fungal growth and development. In this study, the function of the Trhfb3 gene encoding a class II hydrophobin was characterized in Trichoderma reesei. The null mutant ...

journal_title：FEMS microbiology letters

authors： He R,Li C,Feng J,Zhang D

更新日期：2017-04-01 00:00:00

abstract：:In this report we propose a model of apical growth for streptomycetes. The apical tip is considered as a multilayered wall that expands by an inside-to-outside mechanism of growth. It is also assumed that each layer is made up of peptidoglycan blocks, each of them being the result of the biosynthetic activity of a wal...

journal_title：FEMS microbiology letters

authors： Miguélez EM,Martín C,Manzanal MB,Hardisson C

更新日期：1992-12-15 00:00:00

abstract：:Cytoplasmic precursors of the peptidoglycan biosynthetic pathway were purified from vancomycin-treated, glycopeptide-sensitive and -resistant strains of Enterococcus faecium. Resistance was due to production of a modified precursor, UDP-MurNAc-L-Ala-D-Glu-L-Lys-D-Ala-D-lactate, where lactate was identified on the basi...

journal_title：FEMS microbiology letters

authors： Messer J,Reynolds PE

更新日期：1992-07-01 00:00:00

abstract：:The primary structure of a bacteriocin produced by Enterococcus hirae DCH5 was determined by combined amino acid and DNA sequencing. Nucleotide analysis of a 2838-bp DNA fragment of E. hirae DCH5 revealed five putative ORFs. The first orf (hirJM79) encodes a 74-amino-acid peptide containing an N-terminal signal peptid...

journal_title：FEMS microbiology letters

authors： Sánchez J,Diep DB,Herranz C,Nes IF,Cintas LM,Hernández PE

更新日期：2007-05-01 00:00:00

abstract：:There are two major pathways for methionine biosynthesis: the enterobacterial type transsulfuration pathway and the sulfhydrylation pathway as previously identified in the spirochete Leptospira meyeri. Sequence analysis of the L. meyeri metYX locus allows the identification of a third gene, called metW, which encodes ...

journal_title：FEMS microbiology letters

authors： Picardeau M,Bauby H,Saint Girons I

更新日期：2003-08-29 00:00:00

abstract：:To rapidly identify natural isolates of marine bioluminescent bacteria, we developed amplified ribosomal DNA restriction analysis (ARDRA) methods. ARDRA, which is based on the restriction patterns of 16S rRNA gene digested with five enzymes (EcoRI, DdeI, HhaI, HinfI, RsaI), clearly distinguished the 14 species of mari...

journal_title：FEMS microbiology letters

authors： Kita-Tsukamoto K,Wada M,Yao K,Kamiya A,Yoshizawa S,Uchiyama N,Kogure K

更新日期：2006-03-01 00:00:00

abstract：:A thorough understanding of the mechanisms of Rcs and EnvZ/OmpR phosphorelay systems that allow Yersinia enterocolitica to thrive in various environments is crucial to prevent and control Y. enterocolitica infections. In this study, we showed that RcsB and OmpR have the ability to function differently in modulating a ...

journal_title：FEMS microbiology letters

authors： Meng J,Bai J,Xu J,Huang C,Chen J

更新日期：2019-09-01 00:00:00

abstract：:In this study, we analysed the diversity and composition of double-stranded DNA viral and bacterial communities within the sample of surface coastal water of Southern Baikal through metagenomics and deep sequencing of the 16S ribosomal RNA gene, respectively. The 16S rRNA gene analysis has revealed 14 phyla and domina...

journal_title：FEMS microbiology letters

authors： Butina TV,Bukin YS,Krasnopeev AS,Belykh OI,Tupikin AE,Kabilov MR,Sakirko МV,Belikov SI

更新日期：2019-05-01 00:00:00

abstract：:Saccharomyces cerevisiae was engineered for assembly of minicellulosomes by heterologous expression of a recombinant scaffolding protein from Clostridium cellulovorans and a chimeric endoglucanase E from Clostridium thermocellum. The chimeric endoglucanase E fused with the dockerin domain of endoglucanase B from C. ce...

journal_title：FEMS microbiology letters

authors： Hyeon JE,Yu KO,Suh DJ,Suh YW,Lee SE,Lee J,Han SO

更新日期：2010-09-01 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：:Atypical enteropathogenic Escherichia coli (aEPEC) is comprised of a large heterogeneous group of strains and serotypes that carry the intimin gene (eae) but no other EPEC virulence factors. In a previous study, we examined a few aEPEC strains of O157:H16 serotype from the U.S. and France and found these to be nearly ...

journal_title：FEMS microbiology letters

authors： Feng PC,Keys C,Lacher DW,Beutin L,Bentancor A,Heuvelink A,Afset JE,Rumi V,Monday S

更新日期：2012-12-01 00:00:00

abstract：:Astaxanthin possesses higher antioxidant activity than other carotenoids and, for this and other reasons, has great commercial potential for use in the aquaculture, pharmaceutical, and food industries. The basidiomycetous yeast Xanthophyllomyces dendrorhous is one of the best natural producers of astaxanthin, but wild...

journal_title：FEMS microbiology letters

authors： Ukibe K,Katsuragi T,Tani Y,Takagi H

更新日期：2008-09-01 00:00:00

abstract：:Twelve strains of Candida albicans were grown in defined medium which had been deferrated by ion-exchange chromatography and then supplemented with FeCl3 to give iron concentrations ranging from 0.026 microM (growth-limiting) to 0.8 microM (excess). All of the strains secreted hydroxamate-type siderophores; phenolate ...

journal_title：FEMS microbiology letters

authors： Sweet SP,Douglas LJ

更新日期：1991-05-01 00:00:00

abstract：:In this analysis of membrane lipid compositions in Helicobacter pylori, the membrane lipid profiles drastically changed during coccoid formation: cholesteryl-6-O-tetradecanoyl-alpha-D-glucopyranoside levels increased, cholesteryl-alpha-D-glucopyranoside and phosphatidyl ethanolamine decreased, and a coordinated increa...

journal_title：FEMS microbiology letters

authors： Shimomura H,Hayashi S,Yokota K,Oguma K,Hirai Y

更新日期：2004-08-15 00:00:00

abstract：:The prodrug activation system formed by the E. coli codA gene encoding cytosine deaminase (CD) and 5-fluorocytosine (5-FC) developed for selective cancer chemotherapy suffers from a sensitivity limitation in many tumour cells. In an attempt to improve the CD/5-FC suicide association, we combined the E. coli upp gene e...

journal_title：FEMS microbiology letters

authors： Tiraby M,Cazaux C,Baron M,Drocourt D,Reynes JP,Tiraby G

更新日期：1998-10-01 00:00:00

abstract：:The Mycobacterium marinum G13 promoter is a sigma 70-like promoter that is more active by green fluorescent protein (gfp) differential fluorescence induction (DFI) assays when M. marium resides in an intracellular compartment as compared with growth in media. In assays using DFI, we found that the mycobacterial G13 pr...

journal_title：FEMS microbiology letters

authors： Gall K,Barker LP

更新日期：2006-02-01 00:00:00

abstract：:Staphylococcus carnosus 833, inoculated into sausage meat, increased the level of methyl ketones, which contributed to the cured aroma. These ketones can arise from incomplete beta-oxidation followed by two enzymatic activities: a thioesterase and a decarboxylase. In this study we identified the beta-oxidative pathway...

journal_title：FEMS microbiology letters

authors： Engelvin G,Feron G,Perrin C,Mollé D,Talon R

更新日期：2000-09-01 00:00:00

abstract：:Dextranase specifically hydrolyzes dextran and is used to produce functional isomalto-saccharide prebiotics. Moreover, dextranase is used as an additive in mouthwash to remove dental plaque. We cloned and expressed the dextranase gene of the marine bacterium Bacillus aquimaris S5. The length of the BaDex gene was 1788...

journal_title：FEMS microbiology letters

authors： Dong D,Wang X,Deng T,Ning Z,Tian X,Zu H,Ding Y,Wang C,Wang S,Lyu M

更新日期：2021-01-20 00:00:00

abstract：:The c-type cytochrome (OmcB) and the multicopper protein (OmpB) required for Fe(III) oxide reduction by Geobacter sulfurreducens were predicted previously to be outer membrane proteins, but it is not clear whether they are positioned in a manner that permits the interaction with Fe(III). Treatment of whole cells with ...

journal_title：FEMS microbiology letters

authors： Qian X,Reguera G,Mester T,Lovley DR

更新日期：2007-12-01 00:00:00

abstract：:Clostridium difficile and Clostridium perfringens type A are infectious agents of enteric diseases. The main virulence factors of these microorganisms include toxins A and B of C. difficile (ToxA and ToxB) and enterotoxin of C. perfringens (Cpe). In this study genetic constructions have been created for the expression...

journal_title：FEMS microbiology letters

authors： Belyi IF,Varfolomeeva NA

更新日期：2003-08-29 00:00:00

abstract：:Enterococcus faecium, a major cause of nosocomial infections, is often isolated from conditions where biofilm is considered to be important in the establishment of infections. We investigated biofilm formation among E. faecium isolates from diverse sources and found that the occurrence and amount of biofilm formation ...

journal_title：FEMS microbiology letters

authors： Almohamad S,Somarajan SR,Singh KV,Nallapareddy SR,Murray BE

更新日期：2014-04-01 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：:Aspergillus parasiticus (255), a non-toxigenic isolate showed the presence of secondary metabolites-aflatoxins (B1, B2, G1, G2) when grown in yeast extract sucrose media but not in basal media, thus demonstrating its toxigenic potential. Native PAGE of the crude protein isolated at different growth periods of A. paras...

journal_title：FEMS microbiology letters

authors： Shashidhar J,Sashidhar RB,Deshpande V

更新日期：2005-10-01 00:00:00

abstract：:In this multidisciplinary study, we combined morphological, physiological, and phylogenetic approaches to identify three dominant water bloom-forming Cyanobacteria in a tropical marine mangrove in Guadeloupe (French West Indies). Phylogenetic analysis based on 16S rRNA gene sequences place these marine Cyanobacteria i...

journal_title：FEMS microbiology letters

authors： Guidi-Rontani C,Jean MR,Gonzalez-Rizzo S,Bolte-Kluge S,Gros O

更新日期：2014-10-01 00:00:00