Tremorgenic mycotoxin from Penicillium paraherquei.

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：:Tannins are a diverse group of plant-produced, polyphenolic compounds with metal-chelating and antimicrobial properties that are prevalent in many soils. Using transcriptomics, we determined that tannic acid, a form of hydrolysable tannin, broadly affects the expression of genes involved in iron and zinc homeostases, ...

journal_title：Applied and environmental microbiology

authors： Lim CK,Penesyan A,Hassan KA,Loper JE,Paulsen IT

更新日期：2013-05-01 00:00:00

abstract：:The formation of the important flavor compound 4-hydroxy-2,5-dimethyl-3[2H]-furanone (HDMF; Furaneol) from D-fructose-1,6-bisphosphate by the yeast Zygosaccharomyces rouxii was studied with regard to the identification of intermediates present in the culture medium. Addition of o-phenylenediamine, a trapping reagent f...

journal_title：Applied and environmental microbiology

authors： Hauck T,Brühlmann F,Schwab W

更新日期：2003-07-01 00:00:00

abstract：:Equations defining the reaction of microbial alginase on commercial sodium alginate are presented with respect to the viscometric assay of enzyme activity. The negative log of K was found to be linearly related to the concentration of algin, where K is defined as the change in the reciprocal of relative viscosity with...

journal_title：Applied and environmental microbiology

authors： Stevens RA,Levin RE

更新日期：1976-06-01 00:00:00

abstract：:The incorporation of tritiated thymidine by five microbial ecosystems and the distribution of tritium into DNA, RNA, and protein were determined. All microbial assemblages tested exhibited significant labeling of RNA and protein (i.e., nonspecific labeling), as determined by differential acid-base hydrolysis. Nonspeci...

journal_title：Applied and environmental microbiology

authors： Brittain AM,Karl DM

更新日期：1990-05-01 00:00:00

abstract：:The actinomycete Streptomyces setonii 75Vi2 demethylates vanillic acid and guaiacol to protocatechuic acid and catechol, respectively, and then metabolizes the products by the beta-ketoadipate pathway. UV spectroscopy showed that this strain could also metabolize veratrole (1,2-dimethoxybenzene). When grown in veratro...

journal_title：Applied and environmental microbiology

authors： Sutherland JB

更新日期：1986-07-01 00:00:00

abstract：:Environmental contamination with compounds containing oxyanions of chlorine, such as perchlorate or chlorate [(per)chlorate] or chlorine dioxide, has been a constantly growing problem over the last 100 years. Although the fact that microbes reduce these compounds has been recognized for more than 50 years, only six or...

journal_title：Applied and environmental microbiology

authors： Coates JD,Michaelidou U,Bruce RA,O'Connor SM,Crespi JN,Achenbach LA

更新日期：1999-12-01 00:00:00

abstract：:RNA was degraded at 60 degrees C for 24 h by halophilic nuclease H in supernatants from broth cultures of Micrococcus varians subsp. halophilus containing 12% NaCl. Since contaminating 5'-nucleotidase exhibited almost no activity under these conditions, the 5'-GMP formed could be recovered from the reaction mixture, a...

journal_title：Applied and environmental microbiology

authors： Kamekura M,Hamakawa T,Onishi H

更新日期：1982-10-01 00:00:00

abstract：:A thorough understanding of the microorganisms and pathogens associated with the larval stage of the tropical ornate rock lobster, Panulirus ornatus, is required to overcome disease outbreaks that currently block aquaculture attempts. This study used microscopy in addition to culture and molecularly based microbiologi...

journal_title：Applied and environmental microbiology

authors： Payne MS,Hall MR,Sly L,Bourne DG

更新日期：2007-03-01 00:00:00

abstract：:A diesel fuel-contaminated aquifer was bioremediated in situ by the injection of oxidants (O2 and NO3-) and nutrients in order to stimulate microbial activity. After 3.5 years of remediation, an aquifer sample was excavated and the material was used (i) to isolate bacterial strains able to grow on selected hydrocarbon...

journal_title：Applied and environmental microbiology

authors： Hess A,Zarda B,Hahn D,Häner A,Stax D,Höhener P,Zeyer J

更新日期：1997-06-01 00:00:00

abstract：:Evaluation of the fate and transport of biological warfare (BW) agents in landfills requires the development of specific and sensitive detection assays. The objective of the current study was to develop and validate SYBR green quantitative real-time PCR (Q-PCR) assays for the specific detection and quantification of s...

journal_title：Applied and environmental microbiology

authors： Saikaly PE,Barlaz MA,de Los Reyes FL 3rd

更新日期：2007-10-01 00:00:00

abstract：:Many cyanobacteria are known to tolerate environmental extremes. Motivated by an interest in selecting cyanobacteria for applications in space, we launched rocks from a limestone cliff in Beer, Devon, United Kingdom, containing an epilithic and endolithic rock-dwelling community of cyanobacteria into low Earth orbit (...

journal_title：Applied and environmental microbiology

authors： Olsson-Francis K,de la Torre R,Cockell CS

更新日期：2010-04-01 00:00:00

abstract：:A gene fragment belonging to the cytochrome P-450 superfamily has been cloned and identified from stationary cultures of the filamentous fungus Phanerochaete chrysosporium by reverse transcriptase (RT)-PCR. A set of degenerate primers homologous to highly conserved regions of known cytochrome P-450 sequences were used...

journal_title：Applied and environmental microbiology

authors： Kullman SW,Matsumura F

更新日期：1997-07-01 00:00:00

abstract：:Bacteria in the genus Streptomyces and its close relatives are prolific producers of secondary metabolites with antibiotic activity. Genome sequencing of these bacteria has revealed a rich source of potentially new antibiotic pathways, whose products have never been observed. Moreover, these new pathways can provide n...

journal_title：Applied and environmental microbiology

authors： Fayed B,Ashford DA,Hashem AM,Amin MA,El Gazayerly ON,Gregory MA,Smith MC

更新日期：2015-12-01 00:00:00

abstract：:Efficient biosynthesis of L-tyrosine from glucose is necessary to make biological production economically viable. To this end, we designed and constructed a modular biosynthetic pathway for L-tyrosine production in E. coli MG1655 by encoding the enzymes for converting erythrose-4-phosphate (E4P) and phosphoenolpyruvat...

journal_title：Applied and environmental microbiology

authors： Juminaga D,Baidoo EE,Redding-Johanson AM,Batth TS,Burd H,Mukhopadhyay A,Petzold CJ,Keasling JD

更新日期：2012-01-01 00:00:00

abstract：:Aspergillus oryzae has been used in the food and beverage industry for centuries, and industrial strains have been produced by multiple rounds of selection. Targeted gene deletion technology is particularly useful for strain improvement in such strains, particularly when they do not have a well-characterized meiotic c...

journal_title：Applied and environmental microbiology

authors： Hunter AJ,Morris TA,Jin B,Saint CP,Kelly JM

更新日期：2013-09-01 00:00:00

abstract：:Brevibacterium linens M18, isolated from red smear cheese, produces a substance that inhibits the growth of Listeria spp. and several coryneform and other gram-positive bacteria. No gram-negative bacteria were inhibited. The substance is heat labile, sensitive to proteolytic enzymes, and stable between pH 3 and 12. Hi...

journal_title：Applied and environmental microbiology

authors： Valdés-Stauber N,Scherer S

更新日期：1994-10-01 00:00:00

abstract：:Simultaneous production of penicillic acid and patulin by an atypical strain of Penicillium roqueforti isolated from cheddar cheese is reported. Mycotoxin production was confirmed by thin-layer and gas-liquid chromatography and by ultraviolet, infrared, and mass spectral analyses. Culture extracts were toxic to Bacill...

journal_title：Applied and environmental microbiology

authors： Olivigni FJ,Bullerman LB

更新日期：1978-02-01 00:00:00

abstract：:Starting with a strain of Bacillus cereus excreting about 40-fold more beta-amylase than does the original wild-type strain, we isolated, after mutagenesis with N-methyl-N'-nitro-N-nitrosoguanidine, a strain designated BQ10-S1 SpoIII which showed under optimal conditions a further 5.5-fold increase in beta-amylase act...

journal_title：Applied and environmental microbiology

authors： Nanmori T,Numata Y,Shinke R

更新日期：1987-04-01 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：:Two vomitoxin-producing isolates of Fusarium spp. were grown on cracked corn for 1 to 8 weeks at 15, 20, 25, 28, and 32 degrees C. Maximum production of vomitoxin by Fusarium graminearum Schw. NRRL 5883 occurred at 30 degrees C and 40 days, and that by Fusarium roseum Schw. NRRL 6101 occurred at 26 degrees C and 41 da...

journal_title：Applied and environmental microbiology

authors： Vesonder RF,Ellis JJ,Kwolek WF,DeMarini DJ

更新日期：1982-04-01 00:00:00

abstract：:Norovirus is one of the most common causes of acute viral gastroenteritis. The virus is spread via the fecal-oral route, most commonly from infected food and water, but several outbreaks have originated from contamination of surfaces with infectious virus. In this study, a close surrogate of human norovirus causing ga...

journal_title：Applied and environmental microbiology

authors： Warnes SL,Summersgill EN,Keevil CW

更新日期：2015-02-01 00:00:00

abstract：:Blastobacter spp. are freshwater bacteria that form rosette structures by cellular attachment to a common base. Comparative analyses of ribosomal 16S rRNA gene and internally transcribed spacer region sequences indicated that B. denitrificans is a member of the alpha-subdivision of Proteobacteria. Among the alpha-Prot...

journal_title：Applied and environmental microbiology

authors： van Berkum P,Eardly BD

更新日期：2002-03-01 00:00:00

abstract：:Inactivation (loss of culturability) by sunlight of enterococci and fecal coliforms within sewage effluent diluted in seawater was investigated in field experiments. In most experiments, 500-ml flasks of pure silica were used to confine activated sludge effluent diluted to 2% (vol/vol) in seawater. Inactivation of bac...

journal_title：Applied and environmental microbiology

authors： Davies-Colley RJ,Bell RG,Donnison AM

更新日期：1994-06-01 00:00:00

abstract：:Microbial communities in cores obtained from methane hydrate-bearing deep marine sediments (down to more than 300 m below the seafloor) in the forearc basin of the Nankai Trough near Japan were characterized with cultivation-dependent and -independent techniques. Acridine orange direct count data indicated that cell n...

journal_title：Applied and environmental microbiology

authors： Reed DW,Fujita Y,Delwiche ME,Blackwelder DB,Sheridan PP,Uchida T,Colwell FS

更新日期：2002-08-01 00:00:00

abstract：:Free fatty acids are important flavor compounds in cheese. Propionibacterium freudenreichii is the main agent of their release through lipolysis in Swiss cheese. Our aim was to identify the esterase(s) involved in lipolysis by P. freudenreichii. We targeted two previously identified esterases: one secreted esterase, P...

journal_title：Applied and environmental microbiology

authors： Abeijón Mukdsi MC,Falentin H,Maillard MB,Chuat V,Medina RB,Parayre S,Thierry A

更新日期：2014-01-01 00:00:00

abstract：:Cyanuric acid, a metabolic intermediate in the degradation of many s-triazine compounds, is further metabolized by cyanuric acid hydrolase. Cyanuric acid also accumulates in swimming pools due to the breakdown of the sanitizing agents di- and trichloroisocyanuric acid. Structurally stable cyanuric acid hydrolases are ...

journal_title：Applied and environmental microbiology

authors： Li Q,Seffernick JL,Sadowsky MJ,Wackett LP

更新日期：2009-11-01 00:00:00

abstract：:Fully grown broth cultures of various fast- and slow-growing rhizobia were deliberately diluted with various diluents before their aseptic incorporation into autoclaved peat in polypropylene bags (aseptic method) or mixed with the peat autoclaved in trays (tray method). In a factorial experiment with the aseptic metho...

journal_title：Applied and environmental microbiology

authors： Somasegaran P

更新日期：1985-08-01 00:00:00

abstract：:The possible origin of beef contamination and genetic diversity of Escherichia coli populations in beef cattle, on carcasses and ground beef, was examined by using random amplification of polymorphic DNA (RAPD) and PCR-restriction fragment length polymorphism (PCR-RFLP) analysis of the fliC gene. E. coli was recovered...

journal_title：Applied and environmental microbiology

authors： Aslam M,Nattress F,Greer G,Yost C,Gill C,McMullen L

更新日期：2003-05-01 00:00:00

abstract：:Two isolates of Neodiprion sertifer (Geoffr.) nuclear polyhedrosis virus from Britain and North America were compared using three biochemical techniques. Alkaline protease assays of polyhedra revealed the presence of endogenous enzyme activity in the British isolate but not in the North American isolate. Sodium dodecy...

journal_title：Applied and environmental microbiology

authors： Brown DA

更新日期：1982-01-01 00:00:00