Redox chemistry in laccase-catalyzed oxidation of N-hydroxy compounds.

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：:Iron(III)-reducing bacteria have been demonstrated to rapidly catalyze the reduction and immobilization of uranium(VI) from contaminated subsurface sediments. Thus, these organisms may aid in the development of bioremediation strategies for uranium contamination, which is prevalent in acidic subsurface sediments at U....

journal_title：Applied and environmental microbiology

authors： Petrie L,North NN,Dollhopf SL,Balkwill DL,Kostka JE

更新日期：2003-12-01 00:00:00

abstract：:A polymerase chain reaction (PCR) method designed to sensitively detect and identify Campylobacter jejuni and Campylobacter coli without the need for isolating and culturing strains is described. The intergenic sequence between the flagellin genes flaA and flaB was amplified and characterized with a triple primer or s...

journal_title：Applied and environmental microbiology

authors： Wegmüller B,Lüthy J,Candrian U

更新日期：1993-07-01 00:00:00

abstract：:3'-Phosphoadenosine-5'-phosphatase (PAPase) is required for the removal of toxic 3'-phosphoadenosine-5'-phosphate (PAP) produced during sulfur assimilation in various eukaryotic organisms. This enzyme is a well-known target of lithium and sodium toxicity and has been used for the production of salt-resistant transgeni...

journal_title：Applied and environmental microbiology

authors： Zhang JY,Zou J,Bao Q,Chen WL,Wang L,Yang H,Zhang CC

更新日期：2006-01-01 00:00:00

abstract：:The fate and impact of Pseudomonas aureofaciens TX-1 following application as a biocontrol agent for fungi in turfgrass were studied. The organism was applied with a modified irrigation system by using a preparation containing 1 x 10(6) P. aureofaciens TX-1 CFU ml(-1) about 100 times between May and August. We examine...

journal_title：Applied and environmental microbiology

authors： Sigler WV,Nakatsu CH,Reicher ZJ,Turco RF

更新日期：2001-08-01 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：:The role of Escherichia coli as a pathogen has been the focus of considerable study, while much less is known about it as a commensal and how it adapts to and colonizes different environmental niches within the mammalian gut. In this study, we characterize Escherichia coli organisms (n = 146) isolated from different r...

journal_title：Applied and environmental microbiology

authors： Abraham S,Gordon DM,Chin J,Brouwers HJ,Njuguna P,Groves MD,Zhang R,Chapman TA

更新日期：2012-10-01 00:00:00

abstract：:Reductive dechlorination of the ortho moiety of polychlorinated biphenyls (PCBs) as well as of meta and para moieties is shown to occur in anaerobic enrichments of Baltimore Harbor sediments. These estuarine sediments ortho dechlorinated 2,3,5,6-chlorinated biphenyl (CB), 2,3,5-CB, and 2,3,6-CB in freshwater or estuar...

journal_title：Applied and environmental microbiology

authors： Berkaw M,Sowers KR,May HD

更新日期：1996-07-01 00:00:00

abstract：:The symbiotic association between the roseobacter Silicibacter sp. strain TM1040 and the dinoflagellate Pfiesteria piscicida involves bacterial chemotaxis to dinoflagellate-produced dimethylsulfoniopropionate (DMSP), DMSP demethylation, and ultimately a biofilm on the surface of the host. Biofilm formation is coincide...

journal_title：Applied and environmental microbiology

authors： Geng H,Bruhn JB,Nielsen KF,Gram L,Belas R

更新日期：2008-03-01 00:00:00

abstract：:Candida parapsilosis, C. tropicalis, and Torulopsis glabrata were the human-associated yeasts most frequently isolated from quahogs, oysters, and mussels collected from four estuarine areas along the northern shore of Long Island Sound. Some inconsistency and seasonal variation in the occurrence of these and other yea...

journal_title：Applied and environmental microbiology

authors： Buck JD,Bubucis PM,Combs TJ

更新日期：1977-02-01 00:00:00

abstract：:Laboratory column studies were conducted at the Utah Water Research Laboratory, Logan, Utah, to evaluate reovirus removal from drinking water supplies by slow-rate sand filtration (SSF). Columns, constructed to simulate a full-scale SSF field operation, were inoculated with reovirus at ca. 1,000-times-greater concentr...

journal_title：Applied and environmental microbiology

authors： McConnell LK,Sims RC,Barnett BB

更新日期：1984-10-01 00:00:00

abstract：:Suspensions of Nitrosomonas europaea catalyzed the oxidation of the commercial nitrification inhibitor nitrapyrin [2-chloro-6-(trichloromethyl)-pyridine]. Rapid oxidation of nitrapyrin (at a concentration of 10 muM) required the concomitant oxidation of ammonia, hydroxylamine, or hydrazine. The turnover rate was highe...

journal_title：Applied and environmental microbiology

authors： Vannelli T,Hooper AB

更新日期：1992-07-01 00:00:00

abstract：:This investigation introduces the use of an immunoglobulin A mouse myeloma protein for the detection of Salmonella spp. in milk. The immunoglobulin A protein M467 reacts with flagellin from a wide variety of serotypes. Two assays were developed which used an enzyme-linked immunosorbent assay (ELISA) and M467. Alkaline...

journal_title：Applied and environmental microbiology

authors： Smith AM,Jones C

更新日期：1983-10-01 00:00:00

abstract：:The stability of spheroplasts from the osmotrophic yeast Saccharomyces rouxii was studied in buffered solutions of mannitol and glucose. The plasma membranes from cells grown in high glucose concentrations were more stable to osmotic lysis than were membranes from cells grown in lower glucose concentrations. Mannitol ...

journal_title：Applied and environmental microbiology

authors： Moran JW,Witter LD

更新日期：1980-04-01 00:00:00

abstract：:A compact housing unit for low-power (X6 to X50) cinemicrographic studies of microbial specimens in the vertical plane is described. This unit was used successfully to record the development of a "halo" of cells around subsurface colonies of Escherichia coli. ...

journal_title：Applied and environmental microbiology

authors： Wilkins JR,Tynan CI Jr,Boykin EH

更新日期：1976-08-01 00:00:00

abstract：:The ionic and nonionic surfactants sodium dodecyl sulfate and Triton X-100, respectively, eluted two viruses, phi X174 and PRD1, which were adsorbed to the ionic and nonionic binding membranes cationic polysulfone and nitrocellulose, respectively. Results indicated that complete elution was readily achieved only when ...

journal_title：Applied and environmental microbiology

authors： Fujito BT,Lytle CD

更新日期：1996-09-01 00:00:00

abstract：:A thermophilic strain (D2) identified as a Bacillus sp. was isolated from an aerobic digestor of swine waste after several months of operation at 55 degrees C. Aerobic thermophilic batch treatment of swine waste inoculated with strain D2 was studied in a 4-liter fixed-bed reactor. Stabilization of the waste was achiev...

journal_title：Applied and environmental microbiology

authors： Beaudet R,Gagnon C,Bisaillon JG,Ishaque M

更新日期：1990-04-01 00:00:00

abstract：:Divercin V41 (DV41) is a class IIa bacteriocin produced by Carnobacterium divergens V41. This antilisterial peptide is homologous to pediocin PA-1 and contains two disulfide bonds. To establish the structure-activity relationships of this specific family of bacteriocin, chemical modifications and enzymatic hydrolysis ...

journal_title：Applied and environmental microbiology

authors： Bhugaloo-Vial P,Douliez JP,Moll D,Dousset X,Boyaval P,Marion D

更新日期：1999-07-01 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：:Vibrio vulnificus is a human pathogen associated with consumption of raw oysters. During the colder months the organism apparently enters a viable but nonculturable state and thus cannot be cultured by ordinary bacteriological methods. For this reason, another means of detecting this bacterium is necessary. In the pre...

journal_title：Applied and environmental microbiology

authors： Brauns LA,Hudson MC,Oliver JD

更新日期：1991-09-01 00:00:00

abstract：:The oxidation of methane in anoxic marine sediments is thought to be mediated by a consortium of methane-consuming archaea and sulfate-reducing bacteria. In this study, we compared results of rRNA gene (rDNA) surveys and lipid analyses of archaea and bacteria associated with methane seep sediments from several differe...

journal_title：Applied and environmental microbiology

authors： Orphan VJ,Hinrichs KU,Ussler W 3rd,Paull CK,Taylor LT,Sylva SP,Hayes JM,Delong EF

更新日期：2001-04-01 00:00:00

abstract：:The sensitivity of two recently isolated antigenic variants of echovirus type 25 (Montpellier 76-1262 and Thionville 86-222) to glutaraldehyde (GTA) at low concentrations was compared with that of the JV-4 prototype strain. The purified viruses were treated under the same conditions with GTA at concentrations ranging ...

journal_title：Applied and environmental microbiology

authors： Chambon M,Bailly JL,Peigue-Lafeuille H

更新日期：1994-02-01 00:00:00

abstract：:Mineral soil-based inoculants of Rhizobium meliloti and Rhizobium phaseoli survived better at 4 degrees C than at higher temperatures, but ca. 15% of the cells were viable at 37 degrees C after 27 days. Soil-based inoculants of R. meliloti, R. phaseoli, Rhizobium japonicum, and a cowpea Rhizobium sp. applied to seeds ...

journal_title：Applied and environmental microbiology

authors： Chao WL,Alexander M

更新日期：1984-01-01 00:00:00

abstract：:A major barrier to the use of nitrogen-fixing inoculum strains for the enhancement of legume productivity is the inability of commercially available strains to compete with indigenous rhizobia for nodule formation. Despite extensive research on nodulation competitiveness, there are no examples of field efficacy studie...

journal_title：Applied and environmental microbiology

authors： Robleto EA,Kmiecik K,Oplinger ES,Nienhuis J,Triplett EW

更新日期：1998-07-01 00:00:00

abstract：:Listeria app, isolated from 13 of 129 (10%) corn silage samples, 21 of 76 (28%) hay silage samples, and 3 of 5 (60%) grass silage samples during a previous Vermont survey were subjected to automated ribotype (RT) analysis. The 13 positive corn silage samples contained 3 Listeria monocytogenes isolated (three RTs, incl...

journal_title：Applied and environmental microbiology

authors： Ryser ET,Arimi SM,Donnelly CW

更新日期：1997-09-01 00:00:00

abstract：:Six laboratories actively involved in water virology research participated in a methods evaluation study, conducted under the auspices of the American Society for Testing and Materials Committee on Viruses in the Aquatic Environment, Task Force on Drinking Water. Each participant was asked to examine the Viradel (viru...

journal_title：Applied and environmental microbiology

authors： Melnick JL,Safferman R,Rao VC,Goyal S,Berg G,Dahling DR,Wright BA,Akin E,Stetler R,Sorber C

更新日期：1984-01-01 00:00:00

abstract：:Microbial reductive dechlorination of [1,2-14C]trichloroethene to [14C]cis-dichloroethene and [14C]vinyl chloride was observed at 4 degrees C in anoxic microcosms prepared with cold temperature-adapted aquifer and river sediments from Alaska. Microbial anaerobic oxidation of [1,2-14C]cis-dichloroethene and [1,2-14C]vi...

journal_title：Applied and environmental microbiology

authors： Bradley PM,Richmond S,Chapelle FH

更新日期：2005-10-01 00:00:00

abstract：:Wieners and sausages were prepared which contained the most heat-tolerant representative of the Mycobacterium avium-Mycobacterium intracellulare complex we were able to obtain. They also were prepared with infected tissues obtained from tuberculous swine. Processing conditions were as varied as possible. Neither incor...

journal_title：Applied and environmental microbiology

authors： Merkal RS,Crawford JA,Whipple DL

更新日期：1979-11-01 00:00:00

abstract：:Mycophenolic acid (MPA) is the active ingredient in the increasingly important immunosuppressive pharmaceuticals CellCept (Roche) and Myfortic (Novartis). Despite the long history of MPA, the molecular basis for its biosynthesis has remained enigmatic. Here we report the discovery of a polyketide synthase (PKS), MpaC,...

journal_title：Applied and environmental microbiology

authors： Regueira TB,Kildegaard KR,Hansen BG,Mortensen UH,Hertweck C,Nielsen J

更新日期：2011-05-01 00:00:00

abstract：:The occurrence of pigmented bacteria in potable water, from raw source water through treatment to distribution water, including dead-end locations, was compared at sample sites in a large municipal water system. Media used to enumerate heterotrophic bacteria and differentiate pigmented colonies were standard method pl...

journal_title：Applied and environmental microbiology

authors： Reasoner DJ,Blannon JC,Geldreich EE,Barnick J

更新日期：1989-04-01 00:00:00