Decrease in the autotrophic-to-heterotrophic biomass ratio of picoplankton in oligotrophic marine waters due to bottle enclosure.

abstract：:The extensive use of antibiotics in hospitals and in the animal breeding industry has promoted antibiotic resistance in bacteria, which resulted in the emergence of a large number of antibiotic resistance genes in the intestinal tract of human and farmed animals. Genetic exchange of resistance genes between the two ec...

journal_title：Applied and environmental microbiology

authors： Wang C,Song Y,Tang N,Zhang G,Leclercq SO,Feng J

更新日期：2020-12-11 00:00:00

abstract：:GELRITE, a new gelling agent with good thermal stability and clarity, was evaluated in media for culturing selected thermophilic microorganisms. It was also evaluated for performing counts of thermophilic bacteria from soil samples. In most cases, GELRITE was shown to be superior to agar for these applications. ...

journal_title：Applied and environmental microbiology

authors： Lin CC,Casida LE

更新日期：1984-02-01 00:00:00

abstract：:Iron (Fe) is one of the most important micronutrients for most life forms on earth. While abundant in soil, Fe bioavailability in oxic soil is very low. Under environmental conditions, bacteria need to acquire sufficient Fe to sustain growth while limiting the energy cost of siderophore synthesis. Biofilm formation mi...

journal_title：Applied and environmental microbiology

authors： Rizzi A,Leroux J,Charron-Lamoureux V,Roy S,Beauregard PB,Bellenger JP

更新日期：2020-10-28 00:00:00

abstract：:Toxigenic Vibrio cholerae, the causative agent of the epidemic diarrheal disease cholera, interacts with diverse environmental bacteriophages. These interactions promote genetic diversity or cause selective enrichment of phage-resistant bacterial clones. To identify bacterial genes involved in mediating the phage-resi...

journal_title：Applied and environmental microbiology

authors： Zahid MS,Waise TM,Kamruzzaman M,Ghosh AN,Nair GB,Mekalanos JJ,Faruque SM

更新日期：2010-07-01 00:00:00

abstract：:Chromohalobacter salexigens DSM 3043 can grow on N,N-dimethylglycine (DMG) as the sole C, N, and energy source and utilize sarcosine as the sole N source under aerobic conditions. However, little is known about the genes and enzymes involved in the conversion of DMG to sarcosine in this strain. In the present study, g...

journal_title：Applied and environmental microbiology

authors： Yang T,Shao YH,Guo LZ,Meng XL,Yu H,Lu WD

更新日期：2020-08-18 00:00:00

abstract：:Six pairs of pigs were fed a basal diet, a high-fiber diet, and a diet high in corn oil in different sequences to minimize the carry-over effect of diet. After 2 months on each diet, a fecal specimen from each pig was cultured on nonselective medium in roll tubes. Fifty colonies were randomly selected from each fecal ...

journal_title：Applied and environmental microbiology

authors： Moore WE,Moore LV,Cato EP,Wilkins TD,Kornegay ET

更新日期：1987-07-01 00:00:00

abstract：:The beta-subgroup of the Proteobacteria has been shown to be important in aquatic habitats and was investigated in depth here by molecular 16S rRNA techniques in biofilms of the Elbe River and its polluted tributary, the Spittelwasser River. The bacterial 16S rRNA genes were cloned from each site, screened for beta-pr...

journal_title：Applied and environmental microbiology

authors： Brümmer IH,Felske A,Wagner-Döbler I

更新日期：2003-08-01 00:00:00

abstract：:Recent declines in sea grass distribution underscore the importance of understanding microbial community structure-function relationships in sea grass rhizospheres that might affect the viability of these plants. Phospholipid fatty acid analyses showed that sulfate-reducing bacteria and clostridia were enriched in sed...

journal_title：Applied and environmental microbiology

authors： Küsel K,Pinkart HC,Drake HL,Devereux R

更新日期：1999-11-01 00:00:00

abstract：:Matrix-assisted laser desorption ionization-time-of-flight mass spectrometry (MALDI-TOF MS) has been used to identify bacteria based upon protein signatures. This research shows that while some different proteins are produced by vegetative bacteria when they are cultured in different growth media, positive identificat...

journal_title：Applied and environmental microbiology

authors： Valentine N,Wunschel S,Wunschel D,Petersen C,Wahl K

更新日期：2005-01-01 00:00:00

abstract：:The acetylene block technique was used to assay denitrification in undisturbed sediment cores of an intertidal mud flat. Nitrogen loss due to this process was estimated at 1 to 41 kg of N/hectare (ha) per year. Anaerobic nitrate-saturated slurry of the same sediment had a denitrification capacity of 1,026 kg of N/ha p...

journal_title：Applied and environmental microbiology

authors： Kaspar HF

更新日期：1982-03-01 00:00:00

abstract：:The effect of the glutathione reductase (GshR) activity of Lactobacillus sanfranciscensis DSM20451(T) on the thiol levels in fermented sourdoughs was determined, and the oxygen tolerance of the strain was also determined. The gshR gene coding for a putative GshR was sequenced and inactivated by single-crossover integr...

journal_title：Applied and environmental microbiology

authors： Jänsch A,Korakli M,Vogel RF,Gänzle MG

更新日期：2007-07-01 00:00:00

abstract：:Two novel gull-specific quantitative PCR (qPCR) assays were developed using 16S rRNA gene sequences from gull fecal clone libraries: a SYBR green assay targeting Streptococcus spp. (gull3) and a hydrolysis TaqMan assay targeting Catellicoccus marimammalium (gull4). The objectives of this study were to compare the host...

journal_title：Applied and environmental microbiology

authors： Ryu H,Griffith JF,Khan IU,Hill S,Edge TA,Toledo-Hernandez C,Gonzalez-Nieves J,Santo Domingo J

更新日期：2012-03-01 00:00:00

abstract：:Recent studies have reported high levels of fecal indicator enterococci in marine beach sand. This study aimed to determine the spatial and temporal variation of enterococcal abundance and to evaluate its relationships with microbial community parameters in Hawaii beach sand and water. Sampling at 23 beaches on the Is...

journal_title：Applied and environmental microbiology

authors： Cui H,Yang K,Pagaling E,Yan T

更新日期：2013-06-01 00:00:00

abstract：:Pseudobactin production by Pseudomonas putida WCS358 significantly improves biological control of fusarium wilt caused by nonpathogenic Fusarium oxysporum Fo47b10 (P. Lemanceau, P. A. H. M. Bakker, W. J. de Kogel, C. Alabouvette, and B. Schippers, Appl. Environ. Microbiol. 58:2978-2982, 1992). The antagonistic effect ...

journal_title：Applied and environmental microbiology

authors： Lemanceau P,Bakker PA,De Kogel WJ,Alabouvette C,Schippers B

更新日期：1993-01-01 00:00:00

abstract：:The composition of the active microbial (bacterial and fungal) soil community in an arable wheat field subjected to different management practices was examined at five times during a 1-year period. Field sections were fertilized either at good agricultural practice (GAP) levels or at reduced levels (0.5x GAP) and were...

journal_title：Applied and environmental microbiology

authors： Girvan MS,Bullimore J,Ball AS,Pretty JN,Osborn AM

更新日期：2004-05-01 00:00:00

abstract：:Concentrations of airborne coliform bacteria as high as 1.5 X 10(4) m-3 were observed 8 cm above anaerobically digested sewage sludge applied to a forest clearcut. Dry conditions and high wind speeds tended to favor aerosol generation. ...

journal_title：Applied and environmental microbiology

authors： Edmonds RL,Littke W

更新日期：1978-12-01 00:00:00

abstract：:Bacteria forming light-organ symbiosis with deep-sea chlorophthalmid fishes (Aulopiformes: Chlorophthalmidae) are considered to belong to the species Photobacterium phosphoreum. The identification of these bacteria as P. phosphoreum, however, was based exclusively on phenotypic traits, which may not discriminate betwe...

journal_title：Applied and environmental microbiology

authors： Dunlap PV,Ast JC

更新日期：2005-02-01 00:00:00

abstract：UNLABELLED:We previously isolated the transaminase KES23458 from Pseudomonas sp. strain AAC as a promising biocatalyst for the production of 12-aminododecanoic acid, a constituent building block of nylon-12. Here, we report the subsequent characterization of this transaminase. It exhibits activity with a broad substrat...

journal_title：Applied and environmental microbiology

authors： Wilding M,Peat TS,Newman J,Scott C

更新日期：2016-06-13 00:00:00

abstract：:It was shown recently that recombinant Escherichia coli, defective in the beta-oxidation cycle and harboring a medium-chain-length (MCL) poly(3-hydroxyalkanoate) (PHA) polymerase-encoding gene of Pseudomonas, is able to produce MCL PHA from fatty acids but not from sugars or gluconate (S. Langenbach, B. H. A. Rehm, an...

journal_title：Applied and environmental microbiology

authors： Klinke S,Ren Q,Witholt B,Kessler B

更新日期：1999-02-01 00:00:00

abstract：:Low and high levels of resistance to the benzimidazole fungicides benomyl and thiophanate-methyl were observed in field isolates of Monilinia fructicola, which is the causative agent of brown rot of stone fruit. Isolates that had low levels of resistance (hereafter referred to as LR isolates) and high levels of resist...

journal_title：Applied and environmental microbiology

authors： Ma Z,Yoshimura MA,Michailides TJ

更新日期：2003-12-01 00:00:00

abstract：:Listeria monocytogenes does not produce siderophores for iron acquisition. We demonstrate that a number of microbial siderophores and natural iron-binding compounds are able to promote the growth of iron-starved L. monocytogenes. We suggest that the ability of L. monocytogenes to use a variety of exogenous siderophore...

journal_title：Applied and environmental microbiology

authors： Simon N,Coulanges V,Andre P,Vidon DJ

更新日期：1995-04-01 00:00:00

abstract：:Streptococcus agalactiae (group B Streptococcus [GBS]) is a cause of severe infections, particularly during the newborn period. While methods exist for generating chromosomal mutations in GBS, they are cumbersome and inefficient and present significant challenges if the goal is to study subtle mutations, such as singl...

journal_title：Applied and environmental microbiology

authors： Hooven TA,Bonakdar M,Chamby AB,Ratner AJ

更新日期：2019-03-22 00:00:00

abstract：:The capacity of polycyclic aromatic hydrocarbon (PAH)-utilizing bacteria to produce biosurfactants was investigated. Twenty-three bacteria isolated from a soil contaminated with petroleum wastes were able to form clearing zones on mineral salt agar plates sprayed with solutions of PAHs. Naphthalene and phenanthrene we...

journal_title：Applied and environmental microbiology

authors： Deziel E,Paquette G,Villemur R,Lepine F,Bisaillon J

更新日期：1996-06-01 00:00:00

abstract：:An efficient insertion mutagenesis strategy for bacterial genomes based on the phage Mu DNA transposition reaction was developed. Incubation of MuA transposase protein with artificial mini-Mu transposon DNA in the absence of divalent cations in vitro resulted in stable but inactive Mu DNA transposition complexes, or t...

journal_title：Applied and environmental microbiology

authors： Lamberg A,Nieminen S,Qiao M,Savilahti H

更新日期：2002-02-01 00:00:00

abstract：:Enterotoxigenic Escherichia coli (ETEC) strains that produce immunologically heterogeneous fimbriae and enterotoxins are the primary cause of neonatal diarrhea and postweaning diarrhea in young pigs. A multivalent vaccine inducing protective immunity against ideally all ETEC fimbriae and enterotoxins could be effectiv...

journal_title：Applied and environmental microbiology

authors： Lu T,Moxley RA,Zhang W

更新日期：2019-05-16 00:00:00

abstract：:This study investigated the effects of long-term soil fertilization on the composition and potential for phosphorus (P) and nitrogen (N) cycling of bacterial communities associated with hyphae of the P-solubilizing fungus Penicillium canescens Using a baiting approach, hyphosphere bacterial communities were recovered ...

journal_title：Applied and environmental microbiology

authors： Zhang Y,Hao X,Garcia-Lemos AM,Nunes I,Nicolaisen MH,Nybroe O

更新日期：2020-05-05 00:00:00

abstract：:The harvesting of rainwater is gaining acceptance among many governmental authorities in countries such as Australia, Germany, and South Africa, among others. However, conflicting reports on the microbial quality of harvested rainwater have been published. To monitor the presence of potential pathogenic bacteria durin...

journal_title：Applied and environmental microbiology

authors： Dobrowsky PH,De Kwaadsteniet M,Cloete TE,Khan W

更新日期：2014-04-01 00:00:00

abstract：:Gene clusters for biosynthesis of the fungal polyketides hypothemycin and radicicol from Hypomyces subiculosus and Pochonia chlamydosporia, respectively, were sequenced. Both clusters encode a reducing polyketide synthase (PKS) and a nonreducing PKS like those in the zearalenone cluster of Gibberella zeae, plus enzyme...

journal_title：Applied and environmental microbiology

authors： Reeves CD,Hu Z,Reid R,Kealey JT

更新日期：2008-08-01 00:00:00

abstract：:Addition of sodium isoascorbate to the formulation for perishable canned comminuted cured meat markedly enhanced the efficacy of nitrite against Clostridium botulinum. This effect was reproducible through a series of three tests. In one test it was found that the initial addition of 50 microgram of sodium nitrite per ...

journal_title：Applied and environmental microbiology

authors： Tompkin RB,Christiansen LN,Shaparis AB

更新日期：1978-01-01 00:00:00

abstract：:A polyphasic approach involving cultivation, direct viable counts, rRNA-based phylogenetic classification, and in situ probing was applied for the characterization of the dominant microbial population in a municipal drinking water distribution system. A total of 234 bacterial strains cultivated on R2A medium were scre...

journal_title：Applied and environmental microbiology

authors： Kalmbach S,Manz W,Szewzyk U

更新日期：1997-11-01 00:00:00