Production of deoxynivalenol by Fusarium isolates from samples of wheat associated with a human mycotoxicosis outbreak and from sorghum cultivars.

abstract：:The significance of dissolved combined amino acids (DCAA), dissolved free amino acids (DFAA), and dissolved DNA (D-DNA) as sources of C and N for marine bacteria in batch cultures with variable substrate C/N ratios was studied. Glucose, ammonium, alanine, and phosphate were added to the cultures to produce C/N ratios ...

journal_title：Applied and environmental microbiology

authors： Jørgensen NO,Kroer N,Coffin RB

更新日期：1994-11-01 00:00:00

abstract：:Twenty fungal genera, including 14 Fusarium species, were examined for ice nucleation activity at -5.0 degrees C, and this activity was found only in Fusarium acuminatum and Fusarium avenaceum. This characteristic is unique to these two species. Ice nucleation activity of F. avenaceum was compared with ice nucleation ...

journal_title：Applied and environmental microbiology

authors： Pouleur S,Richard C,Martin JG,Antoun H

更新日期：1992-09-01 00:00:00

abstract：:The use of DNA probes for Shiga-like toxin I (SLT-I) and SLT-II for detection of SLT-producing Escherichia coli (SLTEC) in foods and calf fecal samples was evaluated. Enrichment cultures were prepared from food or fecal samples. Colonies formed by plating of enrichment cultures were probed for SLTEC by colony hybridiz...

journal_title：Applied and environmental microbiology

authors： Samadpour M,Liston J,Ongerth JE,Tarr PI

更新日期：1990-05-01 00:00:00

abstract：:Pseudomonas aeruginosa JB2 was isolated from a polychlorinated biphenyl-contaminated soil by enrichment culture containing 2-chlorobenzoate as the sole carbon source. Strain JB2 was subsequently found also to grow on 3-chlorobenzoate, 2,3- and 2,5-dichlorobenzoates, 2,3,5-trichlorobenzoate, and a wide range of other m...

journal_title：Applied and environmental microbiology

authors： Hickey WJ,Focht DD

更新日期：1990-12-01 00:00:00

abstract：:To determine the presence of Shiga toxin-producing Escherichia coli (STEC) and other potentially diarrheagenic E. coli strains in retail meats, 7,258 E. coli isolates collected by the U.S. National Antimicrobial Resistance Monitoring System (NARMS) retail meat program from 2002 to 2007 were screened for Shiga toxin ge...

journal_title：Applied and environmental microbiology

authors： Xia X,Meng J,McDermott PF,Ayers S,Blickenstaff K,Tran TT,Abbott J,Zheng J,Zhao S

更新日期：2010-03-01 00:00:00

abstract：:The pigmented strain Serratia marcescens ATCC 274 had a higher buffering capacity and a higher membrane H conductance than S. marcescens GP, a spontaneous nonpigmented mutant of ATCC 274. The data suggest that mutations which apparently affect only the synthesis of a secondary metabolite can modify buffering capacity ...

journal_title：Applied and environmental microbiology

authors： Rius N,Solé M,Francia A,Lorén JG

更新日期：1994-06-01 00:00:00

abstract：:To assess the presence of the four main viruses responsible for human acute gastroenteritis in a hydrographic network impacted by a disordered urbanization process, a 1-year study was performed involving water sample collection from streams in the hydrographic basin surrounding the city of Manaus, Amazonas, Brazil. Th...

journal_title：Applied and environmental microbiology

authors： Miagostovich MP,Ferreira FF,Guimarães FR,Fumian TM,Diniz-Mendes L,Luz SL,Silva LA,Leite JP

更新日期：2008-01-01 00:00:00

abstract：:Viruses are now recognized as a key component in pelagic systems, but their role in marine sediment has yet to be assessed. In this study bacterial and viral densities were determined at nine deep-sea stations selected from three main sites (i.e., the Sporades Basin, the Cretan Sea, and the Ierapetra Trench at depths ...

journal_title：Applied and environmental microbiology

authors： Danovaro R,Serresi M

更新日期：2000-05-01 00:00:00

abstract：:Melanin is a pigment produced by organisms throughout all domains of life. Due to its unique physicochemical properties, biocompatibility, and biostability, there has been an increasing interest in the use of melanin for broad applications. In the vast majority of studies, melanin has been either chemically synthesize...

journal_title：Applied and environmental microbiology

authors： Wang Z,Tschirhart T,Schultzhaus Z,Kelly EE,Chen A,Oh E,Nag O,Glaser ER,Kim E,Lloyd PF,Charles PT,Li W,Leary D,Compton J,Phillips DA,Dhinojwala A,Payne GF,Vora GJ

更新日期：2020-02-18 00:00:00

abstract：:Five different bacterial extracellular polymer extraction methods and a combination of two of these methods were compared on cultures of activated sludge, synthetic activated sludge, and Klebsiella aerogenes. High-speed centrifugation was the most effective extraction method for the K. aerogenes culture, based on the ...

journal_title：Applied and environmental microbiology

authors： Brown MJ,Lester JN

更新日期：1980-08-01 00:00:00

abstract：:Two strains of 1,1,1-trichloroethane (TCA)-degrading bacteria, TA5 and TA27, were isolated from soil and identified as Mycobacterium spp. Strains TA5 and TA27 could degrade 25 and 75 mg. liter of TCA(-1) cometabolically in the presence of ethane as a carbon source, respectively. The compound 2,2,2-trichloroethanol was...

journal_title：Applied and environmental microbiology

authors： Yagi O,Hashimoto A,Iwasaki K,Nakajima M

更新日期：1999-10-01 00:00:00

abstract：:Significant knowledge gaps exist in our understanding of Campylobacter jejuni contamination of the poultry production continuum. Microbiological surveillance and genotypic characterization were undertaken on C. jejuni isolates longitudinally recovered from three poultry farms (weekly samples), the abattoir at which bi...

journal_title：Applied and environmental microbiology

authors： Inglis GD,Ramezani N,Taboada EN,Boras VF,Uwiera RRE

更新日期：2021-01-15 00:00:00

abstract：:Pure cultures of Geobacter sulfurreducens and other Fe(III)-reducing bacteria accumulated hydrogen to partial pressures of 5 to 70 Pa with acetate, butyrate, benzoate, ethanol, lactate, or glucose as the electron donor if electron release to an acceptor was limiting. G. sulfurreducens coupled acetate oxidation with el...

journal_title：Applied and environmental microbiology

authors： Cord-Ruwisch R,Lovley DR,Schink B

更新日期：1998-06-01 00:00:00

abstract：:Anthrax is a fatal infection of humans and livestock that is caused by the gram-positive bacterium Bacillus anthracis. The virulent strains of B. anthracis are encapsulated and toxigenic. In this paper we describe the development of a PCR technique for identifying spores of B. anthracis. Two 20-mer oligonucleotide pri...

journal_title：Applied and environmental microbiology

authors： Reif TC,Johns M,Pillai SD,Carl M

更新日期：1994-05-01 00:00:00

abstract：:Fusarium tricinctum Fn-2B was grown on a rice substrate at room temperature (22 to 26 degrees C) for 2 weeks followed by growth at a low temperature (10 to 12 degrees C) for an additional 2 weeks. A total of 1.5 g of nivalenol and 80 mg of fusarenone-X were obtained from 2 kg of rice culture. The methods of production...

journal_title：Applied and environmental microbiology

authors： Lee YW,Mirocha CJ

更新日期：1984-10-01 00:00:00

abstract：:Discrimination of strains within the species Saccharomyces cerevisiae was demonstrated by the use of four different techniques to type 15 strains isolated from spoiled wine and beer. Random amplified polymorphic DNA with specific oligonucleotides and PCR fingerprinting with the microsatellite oligonucleotide primers (...

journal_title：Applied and environmental microbiology

authors： Baleiras Couto MM,Eijsma B,Hofstra H,Huis in't Veld JH,van der Vossen JM

更新日期：1996-01-01 00:00:00

abstract：:Spiroplasma citri is transmitted from plant to plant by phloem-feeding leafhoppers. In an attempt to identify mechanisms involved in transmission, mutants of S. citri affected in their transmission must be available. For this purpose, transposon (Tn4001) mutagenesis was used to produce mutants which have been screened...

journal_title：Applied and environmental microbiology

authors： Boutareaud A,Danet JL,Garnier M,Saillard C

更新日期：2004-07-01 00:00:00

abstract：:We have assembled a collection of 13 psychrophilic ligA alleles that can serve as genetic elements for engineering mesophiles to a temperature-sensitive (TS) phenotype. When these ligA alleles were substituted into Francisella novicida, they conferred a TS phenotype with restrictive temperatures between 33 and 39°C. W...

journal_title：Applied and environmental microbiology

authors： Pankowski JA,Puckett SM,Nano FE

更新日期：2016-01-15 00:00:00

abstract：:Previous work has shown that Trametes (Coriolus) versicolor bleaches kraft pulp brownstock with the concomitant release of methanol. In this work, the fungus is shown to produce both laccase and manganese peroxidase (MnP) but not lignin peroxidase during pulp bleaching. MnP production was enhanced by the presence of p...

journal_title：Applied and environmental microbiology

authors： Paice MG,Reid ID,Bourbonnais R,Archibald FS,Jurasek L

更新日期：1993-01-01 00:00:00

abstract：:Because dihydrostreptomycin can remain as a slowly removed antibiotic residue in dairy animals and because of the need for more sensitive procedures with which to provide information concerning antibiotic residues in food products, procedures were developed in more sensitive assays of dihydrostreptomycin in milk and s...

journal_title：Applied and environmental microbiology

authors： Inglis JM,Katz SE

更新日期：1978-03-01 00:00:00

abstract：:Trichloroethylene (TCE)-transforming aquifer methanotrophs were evaluated for the influence of TCE oxidation toxicity and the effect of reductant availability on TCE transformation rates during methane starvation. TCE oxidation at relatively low (6 mg liter-1) TCE concentrations significantly reduced subsequent methan...

journal_title：Applied and environmental microbiology

authors： Henry SM,Grbić-Galić D

更新日期：1991-01-01 00:00:00

abstract：:Bacillus cereus UW85 produces a novel aminopolyol antibiotic, zwittermicin A, that contributes to the ability of UW85 to suppress damping-off of alfalfa caused by Phytophthora medicaginis. UW85 produces a second antibiotic, provisionally designated antibiotic B, which also contributes to suppression of damping-off but...

journal_title：Applied and environmental microbiology

authors： Stabb EV,Jacobson LM,Handelsman J

更新日期：1994-12-01 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：:Eight concentration and purification methods were evaluated to determine percentages of recovery of Cryptosporidium parvum oocysts from calf feces. The NaCl flotation method generally resulted in the highest percentages of recovery. Based on the percentages of recovery, the amounts of fecal debris in the final oocyst ...

journal_title：Applied and environmental microbiology

authors： Kuczynska E,Shelton DR

更新日期：1999-07-01 00:00:00

abstract：:Aqueous spore suspensions of Bacillus stearothermophilus ATCC 12980 were heated at different temperatures for various time intervals in a resistometer, spread plated on antibiotic assay medium supplemented with 0.1% soluble starch without (AAMS) or with (AAMS-S) 0.9% NaCl, and incubated at 55 degrees C unless otherwis...

journal_title：Applied and environmental microbiology

authors： Feeherry FE,Munsey DT,Rowley DB

更新日期：1987-02-01 00:00:00

abstract：:The ability of Listeria monocytogenes to tolerate salt stress is of particular importance, as this pathogen is often exposed to such environments during both food processing and food preservation. In order to understand the survival mechanisms of L. monocytogenes, an initial approach using two-dimensional polyacrylami...

journal_title：Applied and environmental microbiology

authors： Duché O,Trémoulet F,Glaser P,Labadie J

更新日期：2002-04-01 00:00:00

abstract：:Several natural isolates of Escherichia coli O157:H7 have previously been shown to exhibit stationary-phase-dependent variation in their resistance to inactivation by high hydrostatic pressure. In this report we demonstrate that loss of the stationary-phase-inducible sigma factor RpoS resulted in decreased resistance ...

journal_title：Applied and environmental microbiology

authors： Robey M,Benito A,Hutson RH,Pascual C,Park SF,Mackey BM

更新日期：2001-10-01 00:00:00

abstract：:The existence of airborne mycotoxins in mold-contaminated buildings has long been hypothesized to be a potential occupant health risk. However, little work has been done to demonstrate the presence of these compounds in such environments. The presence of airborne macrocyclic trichothecene mycotoxins in indoor environm...

journal_title：Applied and environmental microbiology

authors： Brasel TL,Martin JM,Carriker CG,Wilson SC,Straus DC

更新日期：2005-11-01 00:00:00

abstract：:It is now possible to obtain accurate total counts of the bacteria of natural waters with the use of acridine orange staining and epifluorescence microscopy. This approach can be coupled to highly sensitive measurements of heterotrophic activity using radioisotopes. To accomplish this, three variations of a "specific ...

journal_title：Applied and environmental microbiology

authors： Wright RT

更新日期：1978-08-01 00:00:00

abstract：:3-Deoxy-D-arabino-heptulosonate 7-phosphate (DAHP) synthase (EC 2.5.1.54) catalyzes the first step of the shikimate pathway that finally leads to the biosynthesis of aromatic amino acids phenylalanine (Phe), tryptophan (Trp), and tyrosine (Tyr). In Corynebacterium glutamicum ATCC 13032, two chromosomal genes, NCgl0950...

journal_title：Applied and environmental microbiology

authors： Liu YJ,Li PP,Zhao KX,Wang BJ,Jiang CY,Drake HL,Liu SJ

更新日期：2008-09-01 00:00:00