Microbe-dependent and nonspecific effects of procedures to eliminate the resident microbiota from Drosophila melanogaster.

abstract：:In a batch of barley associated with field cases of mycotoxic porcine nephropathy and containing ochratoxin A and citrinin, the mycoflora were isolated by parallel incubation at 10 and 25 degrees C. Subsequently, the isolated cultures were checked for production of nephrotoxins (xanthomegnin, viomellein, ochratoxin, a...

journal_title：Applied and environmental microbiology

authors： Hald B,Christensen DH,Krogh P

更新日期：1983-12-01 00:00:00

abstract：:Shellfish-transmitted Vibrio parahaemolyticus infections have recently increased from locations with historically low disease incidence, such as the Northeast United States. This change coincided with a bacterial population shift toward human-pathogenic variants occurring in part through the introduction of several Pa...

journal_title：Applied and environmental microbiology

authors： Xu F,Gonzalez-Escalona N,Drees KP,Sebra RP,Cooper VS,Jones SH,Whistler CA

更新日期：2017-08-31 00:00:00

abstract：:Bacillus sp. strain SS, an aerobic, gram-positive sporeformer, was isolated from seeds of Astragalus crotalariae, a selenium-accumulating plant. This bacillus grew in a nutrient broth (containing beef extract and peptone) if the medium was supplemented with high concentrations of selenium. Concentrations of Na(2)SeO(3...

journal_title：Applied and environmental microbiology

authors： Lindblow-Kull C,Shrift A,Gherna RL

更新日期：1982-09-01 00:00:00

abstract：:The release of transgenic plants and microorganisms expressing truncated genes from various subspecies of Bacillus thuringiensis that encode active insecticidal toxins rather than inactive protoxins could result in the accumulation of these active proteins in soil, especially when bound on clays and other soil particl...

journal_title：Applied and environmental microbiology

authors： Tapp H,Stotzky G

更新日期：1995-05-01 00:00:00

abstract：:The metabolic conversion of 5-methylfurfural and 2-methylfurfural to furfural by a methanogenic bacterium, Methanococcus sp. strain B, was studied. This bacterium was found to use methylfurfural compounds as a growth substrate and to convert them stoichiometrically to furfural. For every mole of methylfurfurals metabo...

journal_title：Applied and environmental microbiology

authors： Boopathy R

更新日期：1996-09-01 00:00:00

abstract：:A total of 247 clones of 16S rRNA genes from microorganisms captured by 0.2- and 0.1-microm-pore-size filters from sedimentary and granite rock aquifers were amplified and yielded 37 operational taxonomic units (OTUs). Fifteen OTUs captured by 0.1-microm-pore-size filters were affiliated with the candidate divisions O...

journal_title：Applied and environmental microbiology

authors： Miyoshi T,Iwatsuki T,Naganuma T

更新日期：2005-02-01 00:00:00

abstract：:A mechanistic understanding of how new phenotypes develop to overcome the loss of a gene product provides valuable insight on both the metabolic and regulatory functions of the lost gene. The pgi gene, whose product catalyzes the second step in glycolysis, was deleted in a growth-optimized Escherichia coli K-12 MG1655...

journal_title：Applied and environmental microbiology

authors： McCloskey D,Xu S,Sandberg TE,Brunk E,Hefner Y,Szubin R,Feist AM,Palsson BO

更新日期：2018-09-17 00:00:00

abstract：:Pyocins are bacteriocins secreted by Pseudomonas aeruginosa, and they assist in the colonization of different niches. A major subset of these antibacterial proteins adopt a modular organization characteristic of polymorphic toxins. They include a receptor-binding domain, a segment enabling membrane passage, and a toxi...

journal_title：Applied and environmental microbiology

authors： Ghequire MGK,Öztürk B

更新日期：2018-08-31 00:00:00

abstract：:The volatile substances present in a eutrophic shallow lake were determined qualitatively and quantitatively during the growing season, allowing a first-time analysis of the dynamics of these compounds in a water body. The major compounds found were beta-cyclocitral, alpha-cyclocitral, beta-ionone, 1,3,3-trimethylcycl...

journal_title：Applied and environmental microbiology

authors： Jüttner F

更新日期：1984-04-01 00:00:00

abstract：:The gene cluster that codes for feedback-resistant aspartate kinase (lysCalpha and lysCbeta) and aspartate semialdehyde dehydrogenase (asd) was cloned from a mutant strain of Corynebacterium glutamicum. Its functional analysis by subcloning, enzyme assays, and type of aspartate kinase regulation enabled the isolation ...

journal_title：Applied and environmental microbiology

authors： Cremer J,Eggeling L,Sahm H

更新日期：1991-06-01 00:00:00

abstract：:Growth inhibition by isoleucine hydroxamate in Serratia marcescens was significantly enhanced by adding valine plus leucine and by using glycerol as the carbon source. Isoleucine hydroxamate-resistant mutants were isolated under conditions in which growth inhibition was enhanced. One of the mutants, strain GIHVLr2179,...

journal_title：Applied and environmental microbiology

authors： Kisumi M,Komatsubara S,Chibata I

更新日期：1977-12-01 00:00:00

abstract：:A simple and efficient process for the production of a ruminant feed supplement, rich in crude protein (defined as total N X 6.25), by bacterial fermentation of cheese whey has been developed. The lactose in unpasteurized whey is fermented to lactate acid by Lactobacillus bulgaricus at a temperature of 43 degrees C an...

journal_title：Applied and environmental microbiology

authors： Reddy CA,Henderson HE,Erdman MD

更新日期：1976-12-01 00:00:00

abstract：:Celiac disease (CD) is an immune-mediated enteropathy triggered by the ingestion of cereal gluten proteins. This disorder is associated with imbalances in the gut microbiota composition that could be involved in the pathogenesis of CD. The aim of this study was to characterize the composition and diversity of the cult...

journal_title：Applied and environmental microbiology

authors： Sánchez E,Donat E,Ribes-Koninckx C,Fernández-Murga ML,Sanz Y

更新日期：2013-09-01 00:00:00

abstract：:Three different gels (Sepharose 4B, Sephadex G-200, and Sephadex G-50) were evaluated as a means of removing humic contaminants from DNA extracts of environmental samples. Sepharose 4B gave superior separation of DNA from humics, and DNA purified in this way showed consistently greater amplification than DNA purified ...

journal_title：Applied and environmental microbiology

authors： Jackson CR,Harper JP,Willoughby D,Roden EE,Churchill PF

更新日期：1997-12-01 00:00:00

abstract：:A resting culture of Rhizopus arrhizus (ATCC 11145) transformed verrucarin A into 16-hydroxyverrucarin A, whereas R. arrhizus transformed verrucarin B into a mixture of 16-hydroxyverrucarin B and 3'-hydroxyverrucarin A. Relative to verrucarins A and B, the 16-hydroxy derivatives showed marked increases in activity, as...

journal_title：Applied and environmental microbiology

authors： Pavanasasivam G,Jarvis BB

更新日期：1983-08-01 00:00:00

abstract：:Nitrogen-fixing cyanobacteria such as Anabaena variabilis ATCC 29413 use an uptake hydrogenase, encoded by hupSL, to recycle hydrogen gas that is produced as an obligate by-product of nitrogen fixation. The regulation of hupSL in A. variabilis is likely to differ from that of the closely related Anabaena sp. strain PC...

journal_title：Applied and environmental microbiology

authors： Weyman PD,Pratte B,Thiel T

更新日期：2008-04-01 00:00:00

abstract：:In order to explore the biochemical scope of ochratoxin A-producing penicillia, we screened 48 Penicillium verrucosum isolates for the production of secondary metabolites. Fungal metabolites were analyzed by high-pressure liquid or gas chromatography coupled to diode array detection or mass spectrometry. The following...

journal_title：Applied and environmental microbiology

authors： Larsen TO,Svendsen A,Smedsgaard J

更新日期：2001-08-01 00:00:00

abstract：:The single glucosyltransferase (GTF) of Streptococcus gordonii Challis CH1 makes alpha 1,3- and alpha 1,6-linked glucans from sucrose. The GTF carboxyl-terminal region has six direct repeats thought to be involved in glucan binding. Strains with defined mutations in this region have been described recently (M. M. Vick...

journal_title：Applied and environmental microbiology

authors： Vickerman MM,Clewell DB

更新日期：1997-05-01 00:00:00

abstract：:The reduction of cytotoxicity in virus concentrates from environmental samples was accomplished by high-speed centrifugation and by filtration of the samples through positively charged depth filters. ...

journal_title：Applied and environmental microbiology

authors： Hejkal TW,Gerba CP,Rao VC

更新日期：1982-03-01 00:00:00

abstract：:Marine microbiologists commonly assay lipase activities by using a synthetic fluorescent analog, 4-methylumbelliferyl (MUF)-oleate. The technique is convenient, but it is considered to be unspecific because of the structure of this analog. This study reports the design of a new specific and sensitive lipase assay base...

journal_title：Applied and environmental microbiology

authors： Bourguet N,Torréton JP,Galy O,Arondel V,Goutx M

更新日期：2003-12-01 00:00:00

abstract：:Water samples were collected from four locations on two rivers in Washington State and analyzed by membrane filtration-immunofluorescence assay to establish Cryptosporidium oocyst concentrations. Sampling locations were selected to evaluate effects of watershed character, from pristine mountain to downstream agricultu...

journal_title：Applied and environmental microbiology

authors： Hansen JS,Ongerth JE

更新日期：1991-10-01 00:00:00

abstract：:Bacterial Halanaerobium strains become the dominant persisting microbial community member in produced fluids across geographically distinct hydraulically fractured shales. Halanaerobium is believed to be inadvertently introduced into this environment during the drilling and fracturing process and must therefore tolera...

journal_title：Applied and environmental microbiology

authors： Booker AE,Hoyt DW,Meulia T,Eder E,Nicora CD,Purvine SO,Daly RA,Moore JD,Wunch K,Pfiffner SM,Lipton MS,Mouser PJ,Wrighton KC,Wilkins MJ

更新日期：2019-05-30 00:00:00

abstract：:A number of Micromonospora strains isolated from the water column, sediment, and cellulose baits placed in freshwater lakes were shown to be able to degrade cellulose in lake water without any addition of nutrients. A selective isolation method was also developed to demonstrate that CFU arose from both spores and hyph...

journal_title：Applied and environmental microbiology

authors： de Menezes AB,Lockhart RJ,Cox MJ,Allison HE,McCarthy AJ

更新日期：2008-11-01 00:00:00

abstract：:Polymorphism of the nuclear ribosomal DNA intergenic spacer (IGS) of the ectomycorrhizal basidiomycete Hebeloma cylindrosporum was studied to evaluate whether this sequence could be used in field studies to estimate the diversity of strains forming mycorrhizas on individual Pinus pinaster root systems. This sequence w...

journal_title：Applied and environmental microbiology

authors： Guidot A,Lumini E,Debaud JC,Marmeisse R

更新日期：1999-03-01 00:00:00

abstract：:A novel display system is described that allows highly efficient immobilization of heterologous proteins on bacterial surfaces in applications for which the use of genetically modified bacteria is less desirable. This system is based on nonliving and non-genetically modified gram-positive bacterial cells, designated g...

journal_title：Applied and environmental microbiology

authors： Bosma T,Kanninga R,Neef J,Audouy SA,van Roosmalen ML,Steen A,Buist G,Kok J,Kuipers OP,Robillard G,Leenhouts K

更新日期：2006-01-01 00:00:00

abstract：:The widespread use and relative persistence of s-triazine compounds such as atrazine and simazine have led to increasing concern about environmental contamination by these compounds. Few microbial isolates capable of transforming substituted s-triazines have been identified. Rhodococcus corallinus NRRL B-15444 has pre...

journal_title：Applied and environmental microbiology

authors： Mulbry WW

更新日期：1994-02-01 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：:Aerobic biotransformation of the diaryl ethers 2,7-dichlorodibenzo-p-dioxin and 1,2,3,4-tetrachlorodibenzo-p-dioxin by the dibenzo-p-dioxin-utilizing strain Sphingomonas wittichii RW1, producing corresponding metabolites, was demonstrated for the first time. Our strain transformed 2,7-dichlorodibenzo-p-dioxin, yieldin...

journal_title：Applied and environmental microbiology

authors： Hong HB,Chang YS,Nam IH,Fortnagel P,Schmidt S

更新日期：2002-05-01 00:00:00

abstract：:A molecular analysis of betaproteobacterial ammonia oxidizers and a N(2)O isotopomer analysis were conducted to study the sources of N(2)O emissions during the cow manure composting process. Much NO(2)(-)-N and NO(3)(-)-N and the Nitrosomonas europaea-like amoA gene were detected at the surface, especially at the top ...

journal_title：Applied and environmental microbiology

authors： Maeda K,Toyoda S,Shimojima R,Osada T,Hanajima D,Morioka R,Yoshida N

更新日期：2010-03-01 00:00:00

abstract：:In the past 10 years, the number of endosymbionts described within the bacterial order Rickettsiales has constantly grown. Since 2006, 18 novel Rickettsiales genera inhabiting protists, such as ciliates and amoebae, have been described. In this work, we characterize two novel bacterial endosymbionts from Paramecium co...

journal_title：Applied and environmental microbiology

authors： Szokoli F,Castelli M,Sabaneyeva E,Schrallhammer M,Krenek S,Doak TG,Berendonk TU,Petroni G

更新日期：2016-11-21 00:00:00