Molecular characterization of Frankia microsymbionts from spore-positive and spore-negative nodules in a natural alder stand.

abstract：:The variation in manure-amended soil survival capability among 18 Escherichia coli O157 strains (8 animal, 1 food, and 9 human isolates) was studied using a single sandy soil sample and a single sample of cattle manure as the inoculum carrier. The virulence profiles of E. coli O157 strains were characterized by detect...

journal_title：Applied and environmental microbiology

authors： Franz E,van Hoek AH,Bouw E,Aarts HJ

更新日期：2011-11-01 00:00:00

abstract：:A plasmid marker rescue system based on restoration of the nptII gene was established in Streptococcus gordonii to study the transfer of bacterial and transgenic plant DNA by transformation. In vitro studies revealed that the marker rescue efficiency depends on the type of donor DNA. Plasmid and chromosomal DNA of bac...

journal_title：Applied and environmental microbiology

authors： Kharazmi M,Sczesny S,Blaut M,Hammes WP,Hertel C

更新日期：2003-10-01 00:00:00

abstract：:Phage therapy is being reexamined as a strategy for bacterial control in medical and other environments. As microorganisms often live in mixed populations, we examined the effect of Escherichia coli bacteriophage λW60 and Pseudomonas aeruginosa bacteriophage PB-1 infection on the viability of monoculture and mixed-spe...

journal_title：Applied and environmental microbiology

authors： Kay MK,Erwin TC,McLean RJ,Aron GM

更新日期：2011-02-01 00:00:00

abstract：:Thirty years of intensive research have significantly contributed to our understanding of Helicobacter pylori biology and pathogenesis. However, the lack of convenient genetic tools, in particular the limited effectiveness of available reporter systems, has notably limited the toolbox for fundamental and applied studi...

journal_title：Applied and environmental microbiology

authors： Vannini A,Agriesti F,Mosca F,Roncarati D,Scarlato V,Danielli A

更新日期：2012-09-01 00:00:00

abstract：:To assess the relative merits of tryptone yeast extract agar, the same medium unbuffered, and medium M17 for the assay of nine bacteriophages of lactic streptococci, comparative plaque counts were made with an overlay of 3 or 9 ml. Four of the phages exhibited no significant difference in plating efficiency between me...

journal_title：Applied and environmental microbiology

authors： Keogh BP

更新日期：1980-10-01 00:00:00

abstract：:A bacterium, strain BIS-6, that grew aerobically on dimethylsulfoniopropionate (DMSP) was isolated from an intertidal mud sample. Strain BIS-6 quantitatively demethylated DMSP and 3-methiolpropionate to 3-mercaptopropionate. Strain BIS-6 was a versatile methylotroph growing on the osmolytes DMSP and glycine betaine an...

journal_title：Applied and environmental microbiology

authors： Visscher PT,Taylor BF

更新日期：1994-12-01 00:00:00

abstract：:Biphasic systems can overcome the problem of low productivity in conventional media and have been exploited for biocatalysis. Solvent-tolerant microorganisms are useful in biotransformation with whole cells in biphasic reactions. A solvent-tolerant desulfurizing bacterium, Pseudomonas putida A4, was constructed by int...

journal_title：Applied and environmental microbiology

authors： Tao F,Yu B,Xu P,Ma CQ

更新日期：2006-07-01 00:00:00

abstract：:Streptococcus oralis is the predominant aciduric nonmutans streptococcus isolated from the human dentition, but the role of this organism in the initiation and progression of dental caries has yet to be established. To identify proteins that are differentially expressed by S. oralis growing under conditions of low pH,...

journal_title：Applied and environmental microbiology

authors： Wilkins JC,Homer KA,Beighton D

更新日期：2001-08-01 00:00:00

abstract：:Some nitrate- and Fe(III)-reducing microorganisms are capable of oxidizing Fe(II) with nitrate as the electron acceptor. This enzymatic pathway may facilitate the development of anaerobic microbial communities that take advantage of the energy available during Fe-N redox oscillations. We examined this phenomenon in sy...

journal_title：Applied and environmental microbiology

authors： Coby AJ,Picardal F,Shelobolina E,Xu H,Roden EE

更新日期：2011-09-01 00:00:00

abstract：:Virulence gene profiles of atypical enteropathogenic Escherichia coli (aEPEC) and Shiga toxin-producing E. coli (STEC) from cattle, sheep, and humans were examined to determine the relationship between pathotypes. Shared virulence factors (intimin, EHEC hemolysin, serine protease, and a type II secretion system) were ...

journal_title：Applied and environmental microbiology

authors： Cookson AL,Cao M,Bennett J,Nicol C,Thomson-Carter F,Attwood GT

更新日期：2010-06-01 00:00:00

abstract：:The wastewater of livestock slaughterhouses is considered a source of antimicrobial-resistant bacteria with clinical relevance and may thus be important for their dissemination into the environment. To get an overview of their occurrence and characteristics, we investigated process water (n = 50) from delivery and unc...

journal_title：Applied and environmental microbiology

authors： Savin M,Bierbaum G,Hammerl JA,Heinemann C,Parcina M,Sib E,Voigt A,Kreyenschmidt J

更新日期：2020-04-01 00:00:00

abstract：:Biolog's identification system was used to identify 39 American Type Culture Collection reference taxa and 45 gram-negative isolates from water samples. Of the reference strains, 98% were identified to genus level and 76% to species level within 4 to 24 h. Identification of some authentic strains of Enterobacter, Kl...

journal_title：Applied and environmental microbiology

authors： Klingler JM,Stowe RP,Obenhuber DC,Groves TO,Mishra SK,Pierson DL

更新日期：1992-06-01 00:00:00

abstract：:Small-subunit (SSU) ribosomal DNA (rDNA) gene clusters are phylogenetically related sets of SSU rRNA genes, commonly encountered in genes amplified from natural populations. Genetic variability in gene clusters could result from artifacts (polymerase error or PCR chimera formation), microevolution (variation among rrn...

journal_title：Applied and environmental microbiology

authors： Field KG,Gordon D,Wright T,Rappé M,Urback E,Vergin K,Giovannoni SJ

更新日期：1997-01-01 00:00:00

abstract：:Enteric bacteria deposited into the environment by animal hosts are subject to diverse selective pressures. These pressures may act on phenotypic differences in bacterial populations and select adaptive mutations for survival in stress. As a model to study phenotypic diversity in environmental bacteria, we examined mu...

journal_title：Applied and environmental microbiology

authors： Chiang SM,Dong T,Edge TA,Schellhorn HE

更新日期：2011-11-01 00:00:00

abstract：:A TAT peptide-delivered molecular beacon was developed and utilized to enumerate murine norovirus 1, a human norovirus (NoV) surrogate, in RAW 264.7 cells. This allowed the detection of a single infective virus within 6 h, a 12-fold improvement in time required for viral detection and quantification compared to that r...

journal_title：Applied and environmental microbiology

authors： Ganguli PS,Chen W,Yates MV

更新日期：2011-08-01 00:00:00

abstract：:Streptococcus thermophilus is one of the most widely used lactic acid bacteria in the dairy industry, in particular in yoghurt manufacture, where it is associated with Lactobacillus delbrueckii subsp. bulgaricus. This bacterial association, known as a proto-cooperation, is poorly documented at the molecular and regula...

journal_title：Applied and environmental microbiology

authors： Herve-Jimenez L,Guillouard I,Guedon E,Boudebbouze S,Hols P,Monnet V,Maguin E,Rul F

更新日期：2009-04-01 00:00:00

abstract：:The secondary metabolite mediating the GacS-dependent growth-inhibitory effect exerted by the rice rhizosphere isolate Pseudomonas putida RW10S2 on phytopathogenic Xanthomonas species was identified as white-line-inducing principle (WLIP), a member of the viscosin group of cyclic lipononadepsipeptides. WLIP producers ...

journal_title：Applied and environmental microbiology

authors： Rokni-Zadeh H,Li W,Sanchez-Rodriguez A,Sinnaeve D,Rozenski J,Martins JC,De Mot R

更新日期：2012-07-01 00:00:00

abstract：:Preinfection development in Colletotrichum spp. exhibits three morphologies (conidia, germ tubes, and appressoria) and is directed by a complex interplay of environmental signals. Germ tube morphogenesis for Colletotrichum trifolii and the related fungus Colletotrichum gloeosporioides f. sp. aeschynomene was shown to ...

journal_title：Applied and environmental microbiology

authors： Buhr TL,Dickman MB

更新日期：1997-06-01 00:00:00

abstract：:AvrPtoB is a type III effector protein from Pseudomonas syringae pv. tomato that physically interacts with the tomato Pto kinase and, depending on the host genotype, either elicits or suppresses programmed cell death associated with plant immunity. We reported previously that avrPtoB-related sequences are present in d...

journal_title：Applied and environmental microbiology

authors： Lin NC,Abramovitch RB,Kim YJ,Martin GB

更新日期：2006-01-01 00:00:00

abstract：:The psychrotolerant acidophile Acidithiobacillus ferrivorans has been identified from cold environments and has been shown to use ferrous iron and inorganic sulfur compounds as its energy sources. A bioinformatic evaluation presented in this study suggested that Acidithiobacillus ferrivorans utilized a ferrous iron ox...

journal_title：Applied and environmental microbiology

authors： Liljeqvist M,Rzhepishevska OI,Dopson M

更新日期：2013-02-01 00:00:00

abstract：:Escherichia coli O157:H7 causes hemorrhagic colitis and life-threatening complications. Because healthy cattle are reservoirs for the bacterium, ruminant infection models have applications in analyzing the relationship between cattle and this human pathogen and in testing interventions to reduce or prevent bovine colo...

journal_title：Applied and environmental microbiology

authors： Sheng H,Davis MA,Knecht HJ,Hovde CJ

更新日期：2004-08-01 00:00:00

abstract：:This study describes the genotypic characteristics of a collection of 100 multidrug-resistant (MDR) Escherichia coli strains recovered from cattle and the farm environment in Ireland in 2007. The most prevalent antimicrobial resistance identified was to streptomycin (100%), followed by tetracycline (99%), sulfonamides...

journal_title：Applied and environmental microbiology

authors： Karczmarczyk M,Walsh C,Slowey R,Leonard N,Fanning S

更新日期：2011-10-01 00:00:00

abstract：:Soil bacteria adapt to diverse and rapidly changing environmental conditions by sensing and responding to environmental cues using a variety of sensory systems. Two-component systems are a widespread type of signal transduction system present in all three domains of life and typically are comprised of a sensor kinase ...

journal_title：Applied and environmental microbiology

authors： Luu RA,Schomer RA,Brunton CN,Truong R,Ta AP,Tan WA,Parales JV,Wang YJ,Huo YW,Liu SJ,Ditty JL,Stewart V,Parales RE

更新日期：2019-10-30 00:00:00

abstract：:Suspensions of Nitrosomonas europaea catalyzed the oxidation of the commercial nitrification inhibitor nitrapyrin [2-chloro-6-(trichloromethyl)-pyridine]. Rapid oxidation of nitrapyrin (at a concentration of 10 muM) required the concomitant oxidation of ammonia, hydroxylamine, or hydrazine. The turnover rate was highe...

journal_title：Applied and environmental microbiology

authors： Vannelli T,Hooper AB

更新日期：1992-07-01 00:00:00

abstract：:Very little is known about the microbial composition of animal bedding wastes, including poultry litter, and what is known has been deduced from standard culture methods, by which some fastidious organisms that exist in the environment may not be detected. We evaluated the bacterial composition of poultry litter by us...

journal_title：Applied and environmental microbiology

authors： Lu J,Sanchez S,Hofacre C,Maurer JJ,Harmon BG,Lee MD

更新日期：2003-02-01 00:00:00

abstract：:Municipal wastewater includes human waste that contains both commensal and pathogenic enteric microorganisms, and this collective community microbiome can be monitored for community diseases. In a previous study, we assessed the salmonellosis disease burden using municipal wastewater from Honolulu, Hawaii, which was m...

journal_title：Applied and environmental microbiology

authors： Diemert S,Yan T

更新日期：2019-05-02 00:00:00

abstract：:Poultry are considered a major reservoir and source of human campylobacteriosis, but the roles of environmental reservoirs, including wild birds, have not been assessed in depth. In this study, we isolated and characterized Campylobacter jejuni from western jackdaws (n = 91, 43%), mallard ducks (n = 82, 76%), and phea...

journal_title：Applied and environmental microbiology

authors： Kovanen S,Rossi M,Pohja-Mykrä M,Nieminen T,Raunio-Saarnisto M,Sauvala M,Fredriksson-Ahomaa M,Hänninen ML,Kivistö R

更新日期：2019-02-06 00:00:00

abstract：:Throughout four field trials, compost heaps covered with finished compost maintained temperatures under the physical covering that were ca. 7 to 15.5°C higher, resulting in rapid Escherichia coli O157:H7 reduction, than those of the heaps covered with fresh straw or left uncovered. Our results validated recommendation...

journal_title：Applied and environmental microbiology

authors： Shepherd MW Jr,Kim J,Jiang X,Doyle MP,Erickson MC

更新日期：2011-07-01 00:00:00

abstract：:A real-time PCR assay was developed for the quantitative detection of Campylobacter jejuni in foods after enrichment culture. The specificity of the assay for C. jejuni was demonstrated with a diverse range of Campylobacter species, related organisms, and unrelated genera. The assay had a linear range of quantificatio...

journal_title：Applied and environmental microbiology

authors： Sails AD,Fox AJ,Bolton FJ,Wareing DR,Greenway DL

更新日期：2003-03-01 00:00:00

abstract：:AbiV is an abortive infection protein that inhibits the lytic cycle of several virulent phages infecting Lactococcus lactis, while a mutation in the phage gene sav confers insensitivity to AbiV. In this study, we have further characterized the effects of the bacterial AbiV and its interaction with the phage p2 protein...

journal_title：Applied and environmental microbiology

authors： Haaber J,Samson JE,Labrie SJ,Campanacci V,Cambillau C,Moineau S,Hammer K

更新日期：2010-11-01 00:00:00