Sensitivity of aflatoxin b1 to ionizing radiation.

abstract：:A four-step flavanone biosynthetic pathway was constructed and introduced into Saccharomyces cerevisiae. The recombinant yeast strain was fed with phenylpropanoid acids and produced the flavanones naringenin and pinocembrin 62 and 22 times more efficiently compared to previously reported recombinant prokaryotic strain...

journal_title：Applied and environmental microbiology

authors： Yan Y,Kohli A,Koffas MA

更新日期：2005-09-01 00:00:00

abstract：:Because of high diurnal water quality fluctuations in raw municipal wastewater, the use of proportional autosampling over a period of 24 h at municipal wastewater treatment plants (WWTPs) to evaluate carbon, nitrogen, and phosphorus removal has become a standard in many countries. Microbial removal or load estimation ...

journal_title：Applied and environmental microbiology

authors： Mayer RE,Vierheilig J,Egle L,Reischer GH,Saracevic E,Mach RL,Kirschner AK,Zessner M,Sommer R,Farnleitner AH

更新日期：2015-08-01 00:00:00

abstract：:Four membrane filter methods for the enumeration of fecal coliforms were compared for accuracy, specificity, and recovery. Water samples were taken several times from 13 marine, 1 estuarine, and 4 freshwater sites around Puerto Rico, from pristine waters and waters receiving treated and untreated sewage and effluent f...

journal_title：Applied and environmental microbiology

authors： Santiago-Mercado J,Hazen TC

更新日期：1987-12-01 00:00:00

abstract：:A number of peptides were evaluated as chemoattractants for Pseudomonas aeruginosa. Several strains recognized tri-, tetra-, penta-, and hexapeptides in a capillary tube assay. Tripeptides altered at the carboxyl terminus were good attractants, whereas tripeptides altered at the amino terminus did not serve as chemoat...

journal_title：Applied and environmental microbiology

authors： Kelly-Wintenberg K,Montie TC

更新日期：1994-01-01 00:00:00

abstract：:As part of research exploring the feasibility of using antibody fragments to inhibit the growth of organisms implicated in dandruff, we isolated antibody fragments that bind to a cell surface protein of Malassezia furfur in the presence of shampoo. We found that phage display of llama single-domain antibody fragments ...

journal_title：Applied and environmental microbiology

authors： Dolk E,van der Vaart M,Lutje Hulsik D,Vriend G,de Haard H,Spinelli S,Cambillau C,Frenken L,Verrips T

更新日期：2005-01-01 00:00:00

abstract：:A method is described for generating and screening variants of the beta-galactosidase from Lactobacillus delbrueckii subsp. bulgaricus sensitive to several environmental stresses, with potential application in the food industry. Chemical mutagenesis with hydroxylamine or methoxylamine was performed on the beta-galacto...

journal_title：Applied and environmental microbiology

authors： Yoast S,Adams RM,Mainzer SE,Moon K,Palombella AL,Schmidt BF

更新日期：1994-04-01 00:00:00

abstract：:Sequencing of plasmid pLM33 from the food isolate Listeria monocytogenes Lm1 revealed a molecule of 32,307 bp with a G+C content of 36.2%. The plasmid displays a mosaic pattern of identities common to several closely related L. monocytogenes plasmids isolated from food and clinical sources. ...

journal_title：Applied and environmental microbiology

authors： Canchaya C,Giubellini V,Ventura M,de los Reyes-Gavilán CG,Margolles A

更新日期：2010-07-01 00:00:00

abstract：:Ammonia monooxygenase of Nitrosomonas europaea catalyzes the oxidation of alkanes (up to C(8)) to alcohols and alkenes (up to C(5)) to epoxides and alcohols in the presence of ammonium ions. Straight-chain, N-terminal alkynes (up to C(10)) all exhibited a time-dependent inhibition of ammonia oxidation without effects ...

journal_title：Applied and environmental microbiology

authors： Hyman MR,Murton IB,Arp DJ

更新日期：1988-12-01 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：:High-performance liquid chromatography with a cation-exchange resin-packed column was used to determine fermentation products of several known and unknown Clostridium species. The column was operated at 30 degrees C, and isocratic elution was done with 0.013 N H(2)SO(4). Sample preparation for high-performance liquid ...

journal_title：Applied and environmental microbiology

authors： Ehrlich GG,Goerlitz DF,Bourell JH,Eisen GV,Godsy EM

更新日期：1981-11-01 00:00:00

abstract：:A mutant of Pseudomonas sp. strain HBP1, originally isolated on 2-hydroxybiphenyl, was selected for the ability to grow on 2-propylphenol as the sole carbon and energy source. In the mutant strain, which was designated as Pseudomonas sp. strain HBP1 Prp, the cellular induction mechanism involved in the synthesis of th...

journal_title：Applied and environmental microbiology

authors： Kohler HP,van der Maarel MJ,Kohler-Staub D

更新日期：1993-03-01 00:00:00

abstract：:A d-xylose reductase mutant of Pachysolen tannophilus was isolated on the basis of its poor growth on d-xylose but normal growth on xylitol and d-glucose. Fractionation of cell extracts indicated that the mutant was deficient in d-xylose reductase activity that used NADPH exclusively as a cofactor, but not in activity...

journal_title：Applied and environmental microbiology

authors： Schneider H,Lee H,Barbosa Mde F,Kubicek CP,James AP

更新日期：1989-11-01 00:00:00

abstract：:This research documents an effect of reactor turbulence on the ability of gram-negative wastewater biofilm bacteria to actively transport l-aspartate via a binding-protein-mediated transport system. Biofilms which were not preadapted to turbulence and which possessed two separate and distinct aspartate transport syste...

journal_title：Applied and environmental microbiology

authors： Eighmy TT,Bishop PL

更新日期：1985-07-01 00:00:00

abstract：:Listeria monocytogenes is a food-borne pathogen with the ability to grow under conditions of high osmolarity. In a previous study, we reported the identification of 12 proteins showing high induction after salt stress. One of these proteins is highly similar to the general stress protein Ctc of Bacillus subtilis. In t...

journal_title：Applied and environmental microbiology

authors： Gardan R,Duché O,Leroy-Sétrin S,Labadie J,European Listeria Genome Consortium.

更新日期：2003-01-01 00:00:00

abstract：:Cyanobacterial hepatotoxins, microcystins, are specific inhibitors of serine/threonine protein phosphatases and potent tumor promoters. They have caused several poisonings of animals and also pose a health hazard for humans through the use of water for drinking and recreation. Different strains of the same cyanobacter...

journal_title：Applied and environmental microbiology

authors： Rapala J,Sivonen K,Lyra C,Niemelä SI

更新日期：1997-06-01 00:00:00

abstract：:Campylobacter jejuni and Campylobacter coli are naturally competent, but limited information exists on the impact of environmental conditions on transformation. In this study, we investigated the impact of temperature and microaerobic versus aerobic atmosphere on transformation of C. coli to erythromycin and nalidixic...

journal_title：Applied and environmental microbiology

authors： Kim JS,Kim JW,Kathariou S

更新日期：2008-10-01 00:00:00

abstract：:Antibody production against aflatoxin B1 was compared in three rabbits and one goat. Titers obtained were 20 times higher in the rabbits than in the goat. The goat antiserum appeared to have a higher degree of cross-reactivity for other aflatoxins and related metabolites than did the rabbit antiserum. ...

journal_title：Applied and environmental microbiology

authors： Gaur PK,El-Nakib O,Chu FS

更新日期：1980-09-01 00:00:00

abstract：:Anaerobic acetate degradation at 70 degrees C and at 55 degrees C (as a reference) was studied by running laboratory upflow anaerobic sludge blanket (UASB) reactors inoculated with mesophilic granular sludge. In UASB reactors fed with acetate-containing media (3 g of chemical oxygen demand [COD] per liter, correspondi...

journal_title：Applied and environmental microbiology

authors： Rintala J,Lepistö S,Ahring B

更新日期：1993-06-01 00:00:00

abstract：:Agmatine, a significant polyamine in bacteria and plants, mostly arises from the decarboxylation of arginine. The functional importance of agmatine in fungi is poorly understood. The metabolism of agmatine and related guanidinium group-containing compounds in Aspergillus niger was explored through growth, metabolite, ...

journal_title：Applied and environmental microbiology

authors： Kumar S,Saragadam T,Punekar NS

更新日期：2015-08-15 00:00:00

abstract：:The mycoparasite Humicola fuscoatra NRRL 22980 was isolated from a sclerotium of Aspergillus flavus that had been buried in a cornfield near Tifton, Ga. When grown on autoclaved rice, this fungus produced the antifungal metabolites monorden, monocillin IV, and a new monorden analog. Each metabolite produced a clear zo...

journal_title：Applied and environmental microbiology

authors： Wicklow DT,Joshi BK,Gamble WR,Gloer JB,Dowd PF

更新日期：1998-11-01 00:00:00

abstract：:Cotton flowers in replicate plots in two fields near Phoenix, Ariz., were tagged in June at the beginning of the flowering period. Flowers or developing bolls from these tagged flowers were inoculated on the involucral (bracteal) nectaries with dry spores of Aspergillus flavus. The bolls were harvested as they matured...

journal_title：Applied and environmental microbiology

authors： Klich MA,Chmielewski MA

更新日期：1985-09-01 00:00:00

abstract：:Endotoxin exposure occurs in homes and occupational environments and is known to cause adverse health effects. In order to compare results from different studies and establish standards, airborne endotoxin exposures should be assessed using standardized methods. Although the European Committee for Standardization (CEN...

journal_title：Applied and environmental microbiology

authors： Spaan S,Heederik DJ,Thorne PS,Wouters IM

更新日期：2007-10-01 00:00:00

abstract：:The composition of the rhizosphere microbiome is a result of interactions between plant roots, soil, and environmental conditions. The impact of genetic variation in plant species on the composition of the root-associated microbiota remains poorly understood. This study assessed the abundances and structures of nitrog...

journal_title：Applied and environmental microbiology

authors： Cotta SR,Dias AC,Marriel IE,Andreote FD,Seldin L,van Elsas JD

更新日期：2014-10-01 00:00:00

abstract：:Oxidation of acetate in salt marsh sediment was inhibited by the addition of fluoroacetate, and also by the addition of molybdate, an inhibitor of sulfate-reducing bacteria. Molybdate had no effect upon the metabolism of acetate in a freshwater sediment in the absence of sulfate. The inhibitory effect of molybdate on ...

journal_title：Applied and environmental microbiology

authors： Banat IM,Lindström EB,Nedwell DB,Balba MT

更新日期：1981-12-01 00:00:00

abstract：:The ability of indigenous Rhizobium leguminosarum and Rhizobium meliloti to use organic nutrients as growth substrates in soil was assessed by indirect bacteriophage analysis. A total of 17 organic compounds, including 9 carbohydrates, 3 organic acids, and 5 amino acids, were tested (1,000 mug g) in three soils with d...

journal_title：Applied and environmental microbiology

authors： Germida JJ

更新日期：1988-01-01 00:00:00

abstract：:Bacillus thuringiensis vegetative insecticidal proteins (Vip3A) have been recently introduced in important crops as a strategy to delay the emerging resistance to the existing Cry toxins. The mode of action of Vip3A proteins has been studied in Spodoptera frugiperda with the aim of characterizing their binding to the ...

journal_title：Applied and environmental microbiology

authors： Chakroun M,Ferré J

更新日期：2014-10-01 00:00:00

abstract：:Phragmidium violaceum causes leaf rust on the European blackberry (Rubus fruticosus L. aggregate). Multiple strains of this pathogen have been introduced into southern Australia for the biological control of at least 15 taxa of European blackberry, a nonindigenous, invasive plant. In climates conducive to leaf rust, t...

journal_title：Applied and environmental microbiology

authors： Gomez DR,Evans KJ,Baker J,Harvey PR,Scott ES

更新日期：2008-09-01 00:00:00

abstract：:From necrotic tissue of a Nashi pear tree, 24 Erwinia pyrifoliae strains, found to be identical by pulsed-field gel electrophoresis analysis, were isolated. Thirteen strains were not virulent on immature pears and did not induce a hypersensitive response in tobacco leaves. The defective gene hrpL was complemented with...

journal_title：Applied and environmental microbiology

authors： Jock S,Kim WS,Barny MA,Geider K

更新日期：2003-01-01 00:00:00

abstract：:Beef carcass sponge samples collected from July to August 1999 at four large processing plants in the United States were surveyed for the presence of non-O157 Shiga toxin-producing Escherichia coli (STEC). Twenty-eight (93%) of 30 single-source lots surveyed included at least one sample containing non-O157 STEC. Of 33...

journal_title：Applied and environmental microbiology

authors： Arthur TM,Barkocy-Gallagher GA,Rivera-Betancourt M,Koohmaraie M

更新日期：2002-10-01 00:00:00

abstract：:This study examined the inactivation of human norovirus (HuNoV) GI.1 and GII.4 by chlorine under conditions mimicking sewage treatment. Using a porcine gastric mucin-magnetic bead (PGM-MB) assay, no statistically significant loss in HuNoV binding (inactivation) was observed for secondary effluent treatments of ≤25 ppm...

journal_title：Applied and environmental microbiology

authors： Kingsley DH,Fay JP,Calci K,Pouillot R,Woods J,Chen H,Niemira BA,Van Doren JM

更新日期：2017-11-16 00:00:00