Diverse and unique picocyanobacteria in Chesapeake Bay, revealed by 16S-23S rRNA internal transcribed spacer sequences.

abstract：:Enzymatic digestion in vitro of the Bacillus thuringiensis protoxin presumably releases and activates the toxin in a manner analogous to that which occurs when a B. thuringiensis sporulated fermentation preparation passes through the midgut of a lepidopteran larva. Therefore, a sporulated culture of B. thuringiensis s...

journal_title：Applied and environmental microbiology

authors： Aronson JN,Arvidson HC

更新日期：1987-02-01 00:00:00

abstract：:The effects of pulsed electric field (PEF) treatment and processing factors on the inactivation kinetics of Listeria innocua NCTC 11289 were investigated by using a pilot plant PEF unit with a flow rate of 200 liters/h. The electric field strength, pulse length, number of pulses, and inlet temperature were the most si...

journal_title：Applied and environmental microbiology

authors： Wouters PC,Dutreux N,Smelt JP,Lelieveld HL

更新日期：1999-12-01 00:00:00

abstract：:Growing bacteria have a high concentration of ribosomes to ensure sufficient protein synthesis, which is necessary for genome replication and cellular division. To elucidate whether metabolic activity of soil microorganisms is coupled with growth, we investigated the relationship between rRNA and DNA synthesis in a so...

journal_title：Applied and environmental microbiology

authors： Papp K,Hungate BA,Schwartz E

更新日期：2018-04-02 00:00:00

abstract：:Mass spectrometric measurement of carbon dioxide production was used to study malolactic fermentation (MLF) in Lactobacillus collinoides isolated from cider. The kinetics and stereospecificity of the malolactic enzyme (MLE) were studied, and the stoichiometry of the reaction sequence was investigated. The optimum pH f...

journal_title：Applied and environmental microbiology

authors： Arthurs CE,Lloyd D

更新日期：1999-08-01 00:00:00

abstract：:Systematic environmental surveillance for poliovirus circulation has been conducted in Egypt since 2000. The surveillance has revealed three independent importations of wild-type poliovirus. In addition, several vaccine-derived polioviruses have been detected in various locations in Egypt. In addition to acute flaccid...

journal_title：Applied and environmental microbiology

authors： Blomqvist S,El Bassioni L,El Maamoon Nasr EM,Paananen A,Kaijalainen S,Asghar H,de Gourville E,Roivainen M

更新日期：2012-08-01 00:00:00

abstract：:Facultative endosymbionts can benefit insect hosts in a variety of ways, including context-dependent roles, such as providing defense against pathogens. The role of some symbionts in defense may be overlooked, however, when pathogen infection is transient, sporadic, or asymptomatic. The facultative endosymbiont Ricket...

journal_title：Applied and environmental microbiology

authors： Hendry TA,Hunter MS,Baltrus DA

更新日期：2014-12-01 00:00:00

abstract：:Escherichia coli O157:H7 strains can be classified into different genotypes based on the presence of specific Shiga toxin-encoding bacteriophage insertion sites. Certain O157:H7 genotypes predominate among human clinical cases (clinical genotypes), while others are more frequently found in bovines (bovine-biased genot...

journal_title：Applied and environmental microbiology

authors： Vanaja SK,Springman AC,Besser TE,Whittam TS,Manning SD

更新日期：2010-01-01 00:00:00

abstract：:The formation of DNA photoproducts in organisms exposed to ambient levels of UV-B radiation can lead to death and/or reduced population growth in aquatic systems. Dependence on photoenzymatic repair to reverse DNA damage caused by UV-B radiation is demonstrated for Paraphysomonas sp., a member of a widely distributed ...

journal_title：Applied and environmental microbiology

authors： Macaluso AL,Mitchell DL,Sanders RW

更新日期：2009-07-01 00:00:00

abstract：:In this study, host-associated molecular markers and bacterial 16S rRNA gene community analysis using high-throughput sequencing were used to identify the sources of fecal pollution in environmental waters in Brisbane, Australia. A total of 92 fecal and composite wastewater samples were collected from different host g...

journal_title：Applied and environmental microbiology

authors： Ahmed W,Staley C,Sadowsky MJ,Gyawali P,Sidhu JP,Palmer A,Beale DJ,Toze S

更新日期：2015-10-01 00:00:00

abstract：:Although it is widely believed that horizontal patchiness exists in microbial sediment communities, determining the extent of variability or the particular members of the bacterial community which account for the observed differences among sites at various scales has not been routinely demonstrated. In this study, hor...

journal_title：Applied and environmental microbiology

authors： Scala DJ,Kerkhof LJ

更新日期：2000-05-01 00:00:00

abstract：:The chlorosis-inducing phytotoxin coronatine is produced by several Pseudomonas syringae pathovars, including glycinea, morsprunorum, atropurpurea, and the closely related tomato and maculicola. To date, all coronatine-producing pv. glycinea, morsprunorum, and atropurpurea strains that have been examined carry the gen...

journal_title：Applied and environmental microbiology

authors： Cuppels DA,Ainsworth T

更新日期：1995-10-01 00:00:00

abstract：:After propagation of Rhizopus javanicus in defined media containing glucose, urea, and mineral salts in deionized distilled water, the ability of the nonliving biomass to sequester cupric ion was assayed. Growth, uptake capacity (saturation uptake at >1 mM Cu concentration in solution), and biosorptive yield (biomass ...

journal_title：Applied and environmental microbiology

authors： Treen-Sears ME,Martin SM,Volesky B

更新日期：1984-07-01 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：:Renibacterium salmoninarum, a gram-positive diplococcobacillus, causes bacterial kidney disease, a condition that can result in extensive morbidity and mortality among stocks of fish. An immunodominant extracellular protein, called major soluble antigen (MSA), is encoded by two identical genes, msa1 and msa2. We found...

journal_title：Applied and environmental microbiology

authors： Rhodes LD,Coady AM,Deinhard RK

更新日期：2004-11-01 00:00:00

abstract：:The role of protease produced by a heterotrophic bacterium during growth was investigated with Aeromonas salmonicida, the pathogen of fish furunculosis, strain A-7301 and its protease-deficient mutant NTG-1 induced by mutagenesis. Strain A-7301 produced extracellular protease in a mixed amino acid medium (composed of ...

journal_title：Applied and environmental microbiology

authors： Sakai DK

更新日期：1985-10-01 00:00:00

abstract：:The aim of this work was to identify genes in Lactococcus lactis subsp. lactis IL1403 and Lactococcus lactis subsp. cremoris Wg2 important for adsorption of the 936-species phages bIL170 and phi 645, respectively. Random insertional mutagenesis of the two L. lactis strains was carried out with the vector pGh9:ISS1, an...

journal_title：Applied and environmental microbiology

authors： Dupont K,Janzen T,Vogensen FK,Josephsen J,Stuer-Lauridsen B

更新日期：2004-10-01 00:00:00

abstract：:The increased demand for sterile products has created the need for rapid technologies capable of validating the hygiene of industrial production processes. Bacillus endospores are in standard use as biological indicators for evaluating the effectiveness of sterilization processes. Currently, culture-based methods, req...

journal_title：Applied and environmental microbiology

authors： Yung PT,Ponce A

更新日期：2008-12-01 00:00:00

abstract：:The diagnostically important surface antigen pre-S2 of hepatitis B virus was produced in large amounts in the periplasmic space of Escherichia coli. The DNA fragments (pre-S2) coding the pre-S2 antigen were tandemly duplicated or triplicated and ligated in the same reading frame to a fragment containing the promoter a...

journal_title：Applied and environmental microbiology

authors： Kadokura H,Yoda K,Imai M,Yamasaki M

更新日期：1990-09-01 00:00:00

abstract：:Caldalkalibacillus thermarum strain TA2.A1 grew in pH-controlled batch culture containing a fermentable growth substrate (i.e., sucrose) from pH 7.5 to 10.0 with no significant change in the specific growth rate, suggesting that this bacterium was a facultative alkaliphile. However, when strain TA2.A1 was grown on a n...

journal_title：Applied and environmental microbiology

authors： McMillan DG,Keis S,Berney M,Cook GM

更新日期：2009-12-01 00:00:00

abstract：:The cholera toxin genes of Vibrio cholerae are encoded by CTXΦ, a lysogenic bacteriophage. Infection with this phage plays a determinant role in toxigenicity conversion and the emergence of new clones of pathogenic V. cholerae. Multiple phage alleles, defined by sequence types of the repressor gene rstR, have been fou...

journal_title：Applied and environmental microbiology

authors： Wang H,Pang B,Xiong L,Wang D,Wang X,Zhang L,Kan B

更新日期：2015-10-01 00:00:00

abstract：:The bioconversion of sugars present in wood hemicellulose to 2,3-butanediol by Klebsiella pneumoniae grown on high sugar concentrations was investigated. When K. pneumoniae was grown under finite air conditions in the presence of added acetic acid, 50 g of D-glucose and D-xylose per liter could be converted to 25 and ...

journal_title：Applied and environmental microbiology

authors： Yu EK,Saddler JN

更新日期：1983-09-01 00:00:00

abstract：:Unspecific peroxygenases (UPOs) constitute a new family of fungal heme-thiolate enzymes in which there is high biotechnological interest. Although several thousand genes encoding hypothetical UPO-type proteins have been identified in sequenced fungal genomes and other databases, only a few UPO enzymes have been experi...

journal_title：Applied and environmental microbiology

authors： Linde D,Olmedo A,González-Benjumea A,Estévez M,Renau-Mínguez C,Carro J,Fernández-Fueyo E,Gutiérrez A,Martínez AT

更新日期：2020-03-18 00:00:00

abstract：:Overgrowth by spreading molds such as Rhizopus and Mucor species is a problem with fungal enumeration media used for foods. Thirty-one antifungal compounds were surveyed for their ability to selectively inhibit such fungi while allowing growth of mycotoxigenic molds and other species of significance in food spoilage. ...

journal_title：Applied and environmental microbiology

authors： King AD Jr,Hocking AD,Pitt JI

更新日期：1979-05-01 00:00:00

abstract：:The presence of PCR inhibitors in water samples is well known and contributes to the fact that a practical PCR assay has not been developed for legionella surveillance. In this study, we devised a new seminested PCR assay for detection of Legionella spp. in water samples as a means of overriding the PCR inhibitors wit...

journal_title：Applied and environmental microbiology

authors： Miyamoto H,Yamamoto H,Arima K,Fujii J,Maruta K,Izu K,Shiomori T,Yoshida S

更新日期：1997-07-01 00:00:00

abstract：:Campy-Cefex, a modification of Campy-Cefex, modified charcoal cefoperazone deoxycholate (mCCDA), Karmali, CAMPY, and Campy-Line agars were evaluated for their efficiency to isolate and enumerate Campylobacter spp. from poultry carcass rinses. Campy-Cefex and its modification produced the best results but were statisti...

journal_title：Applied and environmental microbiology

authors： Oyarzabal OA,Macklin KS,Barbaree JM,Miller RS

更新日期：2005-06-01 00:00:00

abstract：:Most copper bioleaching plants operate with a high concentration of sulfate salts caused by the continuous addition of sulfuric acid and the recycling of the leaching solution. Since the bacteria involved in bioleaching have been generally isolated at low sulfate concentrations, the bacterial population in ores leache...

journal_title：Applied and environmental microbiology

authors： Espejo RT,Romero J

更新日期：1997-04-01 00:00:00

abstract：:Helaeomyia petrolei larvae isolated from the asphalt seeps of Rancho La Brea in Los Angeles, Calif., were examined for microbial gut contents. Standard counts on Luria-Bertani, MacConkey, and blood agar plates indicated ca. 2 x 10(5) heterotrophic bacteria per larva. The culturable bacteria represented 15 to 20% of th...

journal_title：Applied and environmental microbiology

authors： Kadavy DR,Plantz B,Shaw CA,Myatt J,Kokjohn TA,Nickerson KW

更新日期：1999-04-01 00:00:00

abstract：:We have engineered Escherichia coli to overproduce saturated and monounsaturated aliphatic methyl ketones in the C₁₁ to C₁₅ (diesel) range; this group of methyl ketones includes 2-undecanone and 2-tridecanone, which are of importance to the flavor and fragrance industry and also have favorable cetane numbers (as we re...

journal_title：Applied and environmental microbiology

authors： Goh EB,Baidoo EE,Keasling JD,Beller HR

更新日期：2012-01-01 00:00:00

abstract：:The presence of human-pathogenic, enteric bacteria on the surface and in the interior of raw produce is a significant health concern. Several aspects of the biology of the interaction between these bacteria and alfalfa (Medicago sativa) seedlings are addressed here. A collection of enteric bacteria associated with alf...

journal_title：Applied and environmental microbiology

authors： Dong Y,Iniguez AL,Ahmer BM,Triplett EW

更新日期：2003-03-01 00:00:00

abstract：:The mercury resistance (mer) operon of plasmid R100 was cloned onto various plasmid vectors to study the effect of mer gene amplification on the rate of Hg2+ reduction by Escherichia coli cells. The plasmids were maintained at copy numbers ranging from 3 to 140 copies per cell. The overall Hg2+ reduction rate of intac...

journal_title：Applied and environmental microbiology

authors： Philippidis GP,Malmberg LH,Hu WS,Schottel JL

更新日期：1991-12-01 00:00:00