Community structure in a methanotroph biofilter as revealed by phospholipid fatty acid analysis.

abstract：:Biology education is undergoing a transformation toward a more student-centered, inquiry-driven classroom. Many educators have designed engaging assignments that are designed to help undergraduate students gain exposure to the scientific process and data analysis. One of these types of assignments is use of a grant pr...

journal_title：FEMS microbiology letters

authors： Sparks-Thissen RL

更新日期：2017-02-01 00:00:00

abstract：:We report here improvements to the growth media and fermentation conditions which result in a substantial increase of Helicobacter pylori growth and in the enhanced production of vacuolating cytotoxin. Addition of glucose to the medium resulted in the increase of cell yield, cell viability and a significant improvemen...

journal_title：FEMS microbiology letters

authors： Marchini A,Massari P,Manetti R,Olivieri R

更新日期：1994-11-15 00:00:00

abstract：:An internal segment of the penicillin-binding protein gene, pbpA, of Streptomyces griseus was amplified from genomic DNA using the polymerase chain reaction and used as a hybridization probe to isolate the complete gene from a cosmid library. pbpA encodes a 485 amino acid sequence that conserves three motifs of PBPs, ...

journal_title：FEMS microbiology letters

authors： Jiang H,Kendrick KE

更新日期：2000-12-01 00:00:00

abstract：:Two different nucleic acid precursor utilization patterns were obtained for five avian isolates of Chlamydia psittaci. Three of the isolates behaved in a manner similar to that previously described, showing total dependency on the host cell for ribonucleoside triphosphates and being unable to utilize medium-supplied t...

journal_title：FEMS microbiology letters

authors： McClarty G,Fan H,Andersen AA

更新日期：1993-04-15 00:00:00

abstract：:Poultry is one of the most consumed meats worldwide and there are many different types of poultry products available on the market for consumers. Many poultry producers provide a variety of labeled meats based on rearing system such as organic, free-range and antibiotic-free. However, these labels often can be mislead...

journal_title：FEMS microbiology letters

authors： Lee SI,Choi J,Daeschel DZ,Park SH

更新日期：2019-05-01 00:00:00

abstract：:The beta-lactamase genes blaA and blaB were detected by PCR amplification in strains of Yersinia enterocolitica biovar 1A isolated from India, Germany, France and the USA. Both genes were detected in all strains. Polymerase chain reaction-restriction fragment length polymorphism revealed genetic heterogeneity in blaA ...

journal_title：FEMS microbiology letters

authors： Sharma S,Mittal S,Mallik S,Virdi JS

更新日期：2006-04-01 00:00:00

abstract：:The classical monomeric autotransporters are ubiquitously used by Gram-negative bacteria to export virulence and colonization factors to their cell surface or into their surroundings. They are expressed as monomeric proteins that pass the inner and outer membrane in two consecutive steps facilitated by the Sec translo...

journal_title：FEMS microbiology letters

authors： van Ulsen P,Zinner KM,Jong WSP,Luirink J

更新日期：2018-09-01 00:00:00

abstract：:During programs for the selection of enological yeasts, several hundred natural isolates are usually screened. The scope of these operations is to isolate strains possessing good fermentative properties without necessarily arriving at a precise species designation: in other words, to detect strains belonging to the Sa...

journal_title：FEMS microbiology letters

authors： Nardi T,Carlot M,De Bortoli E,Corich V,Giacomini A

更新日期：2006-11-01 00:00:00

abstract：:Marine ammonia oxidising bacteria were enriched by incubation of sea water, amended with ammonium sulphate, and subsequent subculture in liquid inorganic medium. PCR primers were designed to be specific for rDNA sequences from ammonia oxidisers belonging to the beta-sub-group of the proteobacteria. These primers were ...

journal_title：FEMS microbiology letters

authors： McCaig AE,Embley TM,Prosser JI

更新日期：1994-07-15 00:00:00

abstract：:Prebiotics are non-digestible feed ingredients that are metabolized by specific members of intestinal microbiota and provide health benefits for the host. Fermentable oligosaccharides are best known prebiotics that have received increasing attention in poultry production. They act through diverse mechanisms, such as p...

journal_title：FEMS microbiology letters

authors： Pourabedin M,Zhao X

更新日期：2015-08-01 00:00:00

abstract：:The effect feeding antibiotics has on the bacterial population of the rabbit caecum was investigated. No changes in total volatile fatty acid production or total bacterial counts were observed compared with nonantibiotic treated controls. However, treatment with chlortetracycline resulted in an increase of propionate ...

journal_title：FEMS microbiology letters

authors： Abecia L,Fondevila M,Balcells J,Edwards JE,Newbold CJ,McEwan NR

更新日期：2007-07-01 00:00:00

abstract：:Isolated membranes of the extreme haloalkaliphilic archaeon Natronococcus occultus were able to hydrolyze ATP via an ATPase, which required the presence of Mg(2+), high concentrations of NaCl, and a pH value of 9. The native molecular mass of the purified ATPase was 130 kDa and was composed of 74- and 61-kDa subunits....

journal_title：FEMS microbiology letters

authors： Eddy ML,Jablonski PE

更新日期：2000-08-15 00:00:00

abstract：:The ascomycete Sclerotinia sclerotiorum is a plant pathogen with a very broad host range. In order to identify and characterize genes involved in S. sclerotiorum infection of Brassica napus (canola), expressed sequence tags (ESTs) were examined from libraries prepared from three tissues: complex appressorium (infectio...

journal_title：FEMS microbiology letters

authors： Sexton AC,Cozijnsen AJ,Keniry A,Jewell E,Love CG,Batley J,Edwards D,Howlett BJ

更新日期：2006-05-01 00:00:00

abstract：:Three strains of Streptococcus uberis isolated from dairy cows with mastitis were co-cultured with a bovine mammary epithelial cell line (MAC-T) in Dulbecco's modified Eagle's medium without fetal bovine serum. Protein profiles from culture supernatants and bacterial pellets among different treatments were compared by...

journal_title：FEMS microbiology letters

authors： Fang W,Luther DA,Oliver SP

更新日期：1998-09-15 00:00:00

abstract：:A class 1 integron was detected in a single multidrug-resistant strain of enterotoxigenice Escherichia coli (ETEC) O159 after examination of 23 clinical E. coli isolates. This isolate was resistant to streptomycin, kanamycin, gentamicin, chloramphenicol and ampicillin. Sequencing of the class 1 integron identified thr...

journal_title：FEMS microbiology letters

authors： Ahmed AM,Shimamoto T

更新日期：2004-06-15 00:00:00

abstract：:Tagging of two cell wall mannoproteins, Cwp1p and Cwp2p, in Saccharomyces cerevisiae with the green fluorescent protein from Aequorea victoria resulted in incorporation of fluorescent fusion proteins into the cell wall. Both living cells and isolated cell walls became brightly labeled. Intriguingly, the incorporation ...

journal_title：FEMS microbiology letters

authors： Ram AF,Van den Ende H,Klis FM

更新日期：1998-05-15 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：:A Tn5 transposon mutant was isolated of the alkylphenol degrader Pseudomonas sp. KL28 that showed increased growth at higher levels of m-cresol on solid and in liquid cultures. The transposon was inserted at the 5'-terminus of rpoS, which encodes a stationary-phase sigma factor. When grown on agar plates, the rpoS mut...

journal_title：FEMS microbiology letters

authors： Yun JI,Cho KM,Kim JK,Lee SO,Cho K,Lee K

更新日期：2007-04-01 00:00:00

abstract：:Bacteriocins from gram-positive bacteria are potent antimicrobial peptides that inhibit pathogenic and food-spoilage bacteria. They are usually ineffective against gram-negative bacteria because they cannot penetrate the outer membrane (OM). Disruption of the OM of some gram-negative bacteria was reported to sensitize...

journal_title：FEMS microbiology letters

authors： Martin-Visscher LA,Yoganathan S,Sit CS,Lohans CT,Vederas JC

更新日期：2011-04-01 00:00:00

abstract：:Pseudomonas aeruginosa are known to have a wide physiological potential allowing them to constantly populate diverse environments leading to severe infections of humans such as septicemia, leg ulcers, and burn wounds. We set out to probe physiological characteristics of P. aeruginosa isolates from diabetic leg ulcers ...

journal_title：FEMS microbiology letters

authors： Buivydas A,Pasanen T,Senčilo A,Daugelavičius R,Vaara M,Bamford DH

更新日期：2013-06-01 00:00:00

abstract：:A family of stable lactococcal vectors have been constructed based on the pFX1 replicon using either the alpha fragment or the complete Escherichia coli lacZ gene as a selective marker. These vectors also incorporate multiple cloning sites and examples are given of their use for gene cloning and translational fusion s...

journal_title：FEMS microbiology letters

authors： Xu FF,Pearce LE,Yu PL

更新日期：1991-01-01 00:00:00

abstract：:A large cellulosomal gene cluster was identified in the recently sequenced genome of Clostridium acetobutylicum ATCC 824. Sequence analysis revealed that this cluster contains the genes for the scaffolding protein CipA, the processive endocellulase Cel48A, several endoglucanases of families 5 and 9, the mannanase Man5...

journal_title：FEMS microbiology letters

authors： Sabathé F,Bélaïch A,Soucaille P

更新日期：2002-11-19 00:00:00

abstract：:An open reading frame located in the tyrB-uvrA intergenic region of the Escherichia coli MG1655 chromosome was identified as encoding the class B acid phosphatase of this species on the basis of cloning and expression experiments. A protocol for purification of the enzyme (named AphA) was developed, and its properties...

journal_title：FEMS microbiology letters

authors： Thaller MC,Schippa S,Bonci A,Cresti S,Rossolini GM

更新日期：1997-01-15 00:00:00

abstract：:This communication presents experimental evidence that intact fragile (osmotic sensitive) yeasts can be electrofused and give viable hybrids. The yield increases with one order of magnitude for electrofusion of intact fragile yeasts with protoplasts of non-fragile ones. The yield of viable hybrids, obtained by electro...

journal_title：FEMS microbiology letters

authors： Tsoneva I,Doinov P,Dimitrov DS

更新日期：1989-07-01 00:00:00

abstract：:Cholera epidemics caused by Vibrio cholerae 01 continue to represent a major public health concern in many developing countries. A rapid and simple test kit for the detection of V. cholerae 01 has been developed. The kit, CholeraScreen is a monoclonal antibody-based, co-agglutination test and is used directly with sto...

journal_title：FEMS microbiology letters

authors： Colwell RR,Hasan JA,Huq A,Loomis L,Siebeling RJ,Torres M,Galvez S,Islam S,Tamplin MT,Bernstein D

更新日期：1992-10-15 00:00:00

abstract：:Agrobacterium tumefaciens is the causal agent of crown gall disease and is a vector for DNA transfer in transgenic plants. The transformation process by A. tumefaciens has been widely studied, but the attachment stage has not been well characterized. Most measurements of attachment have used microscopy and colony coun...

journal_title：FEMS microbiology letters

authors： Petrovicheva A,Joyner J,Muth TR

更新日期：2017-10-02 00:00:00

abstract：:We present the results of a phylogenetic study, based on amplified ribosomal DNA restriction analysis of the rDNA operon, of 37 Arthrospira ('Spirulina') cultivated clonal strains from four continents. In addition, duplicates from different culture collections or markedly different morphotypes of particular strains es...

journal_title：FEMS microbiology letters

authors： Scheldeman P,Baurain D,Bouhy R,Scott M,Mühling M,Whitton BA,Belay A,Wilmotte A

更新日期：1999-03-15 00:00:00

abstract：:It is now well established that physicochemical properties of exopolysaccharides (EPS) can vary between strains of a given species and according to growth conditions. The EPS production of four strains of Lactobacillus bulgaricus was monitored during growth in milk and in a chemically defined media. All strains, inclu...

journal_title：FEMS microbiology letters

authors： Petry S,Furlan S,Waghorne E,Saulnier L,Cerning dagger J,Maguin E

更新日期：2003-04-25 00:00:00

abstract：:The precise molecular mechanism of Staphylococcus aureus beta-toxin inactivation by the serotype F triple-converting phage phi 42, phi A1 and phi A3 was investigated. Sequence analysis of the phi 42 (attP) and Staphylococcus aureus (attB) attachment sites and the left (attL) and right (attR) chromosomal/bacteriophage ...

journal_title：FEMS microbiology letters

authors： Carroll JD,Cafferkey MT,Coleman DC

更新日期：1993-01-15 00:00:00

abstract：:A previous study [DeVault et al. (1991) Mol. Microbiol. 5, 2503-2509] suggested that growth of Pseudomonas aeruginosa in glucose-containing medium represses algD gene transcription. In this study, growth of P. aeruginosa in rich medium containing glucose or gluconate increased alginate production and algD transcriptio...

journal_title：FEMS microbiology letters

authors： Ma JF,Phibbs PV,Hassett DJ

更新日期：1997-03-15 00:00:00