Bioassay and dose measurement in UV disinfection.

abstract：:Bovine enteroviruses belong to the family Picornaviridae. Little is known about their pathogenic potential; however, they cause asymptomatic infections in cattle and are excreted in feces. In the present study, viruses isolated from environmental samples were sequenced. According to phylogenetic analyses and standard ...

journal_title：Applied and environmental microbiology

authors： Shaukat S,Angez M,Alam MM,Sharif S,Khurshid A,Malik F,Rana MS,Mahmood T,Zaidi SS

更新日期：2012-06-01 00:00:00

abstract：:Three bacteria capable of utilizing bis(4-hydroxyphenyl)methane (bisphenol F [BPF]) as the sole carbon source were isolated from river water, and they all belonged to the family Sphingomonadaceae. One of the isolates, designated Sphingobium yanoikuyae strain FM-2, at an initial cell density of 0.01 (optical density at...

journal_title：Applied and environmental microbiology

authors： Inoue D,Hara S,Kashihara M,Murai Y,Danzl E,Sei K,Tsunoi S,Fujita M,Ike M

更新日期：2008-01-01 00:00:00

abstract：:Drinking water quality management requires early warning tools which enable water supply companies to detect quickly and to forecast degradation of the microbial quality of drinking water during its transport throughout distribution systems. This study evaluated the feasibility of assessing, in real time, drinking wat...

journal_title：Applied and environmental microbiology

authors： Delille A,Quilès F,Humbert F

更新日期：2007-09-01 00:00:00

abstract：:Phytoplankton replace phosphorus-containing lipids (P-lipids) with non-P analogues, boosting growth in P-limited oceans. In the model diatom Thalassiosira pseudonana, the substitution dynamics of lipid headgroups are well described, but those of the individual lipids, differing in fatty acid composition, are unknown. ...

journal_title：Applied and environmental microbiology

authors： Hunter JE,Brandsma J,Dymond MK,Koster G,Moore CM,Postle AD,Mills RA,Attard GS

更新日期：2018-03-01 00:00:00

abstract：:Nitrate was formed from ammonium at pH 3.2 to 6.1 in suspensions of a naturally acid forest soil; the maximum rates of formation occurred at ca. pH 4 to 5. Nitrate was also formed from soil nitrogen in suspensions incubated at 50 degrees C. Autotrophic nitrifying bacteria could not be isolated from this soil. Enrichme...

journal_title：Applied and environmental microbiology

authors： Stroo HF,Klein TM,Alexander M

更新日期：1986-11-01 00:00:00

abstract：:Hot and cold aqueous extracts were prepared from 22 commonly ingested fruits, vegetables, and seeds. When tested by agar diffusion, extracts from 13 and 10 of the foods formed precipitin bands with samples of normal rabbit serum and human saliva, respectively; extracts from four of the foods also reacted with antigen ...

journal_title：Applied and environmental microbiology

authors： Gibbons RJ,Dankers I

更新日期：1981-04-01 00:00:00

abstract：:Two acetyl esterases (EC 3.1.1.6) were purified to gel electrophoretic homogeneity from Thermoanaerobacterium sp. strain JW/SL-YS485, an anaerobic, thermophilic endospore former which is able to utilize various substituted xylans for growth. Both enzymes released acetic acid from chemically acetylated larch xylan. Ace...

journal_title：Applied and environmental microbiology

authors： Shao W,Wiegel J

更新日期：1995-02-01 00:00:00

abstract：:To obtain molecular insights into the action mode of antimicrobial activity of pediocin PA-1, the interactions between this bacteriocin and dimyristoylphosphatidylcholine (DMPC) or dimyristoylphosphatidylglycerol (DMPG) model membranes have been investigated in D(2)O at pD 6 by Fourier transform infrared spectroscopy....

journal_title：Applied and environmental microbiology

authors： Gaussier H,Lefèvre T,Subirade M

更新日期：2003-11-01 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：:This work describes the purification and characterization of propionicin F, the first bacteriocin isolated from Propionibacterium freudenreichii. The bacteriocin has a bactericidal activity and is only active against strains of P. freudenreichii. Propionicin F appears to be formed through a processing pathway new to b...

journal_title：Applied and environmental microbiology

authors： Brede DA,Faye T,Johnsborg O,Odegård I,Nes IF,Holo H

更新日期：2004-12-01 00:00:00

abstract：:Twelve strains of different Bacteroides species were tested for their efficiency of detection of bacteriophages from sewage. The host range of several isolated phages was investigated. The results indicated that there was a high degree of strain specificity. Then, by using Bacteroides fragilis HSP 40 as the host, whic...

journal_title：Applied and environmental microbiology

authors： Tartera C,Jofre J

更新日期：1987-07-01 00:00:00

abstract：:Biodesulfurization was monitored in a recombinant Pseudomonas putida CECT5279 strain. DszB desulfinase activity reached a sharp maximum at the early exponential phase, but it rapidly decreased at later growth phases. A model two-step resting-cell process combining sequentially P. putida cells from the late and early e...

journal_title：Applied and environmental microbiology

authors： Calzada J,Zamarro MT,Alcón A,Santos VE,Díaz E,García JL,Garcia-Ochoa F

更新日期：2009-02-01 00:00:00

abstract：:The aim of this work was to identify genes in Lactococcus lactis subsp. lactis IL1403 and Lactococcus lactis subsp. cremoris Wg2 important for adsorption of the 936-species phages bIL170 and phi 645, respectively. Random insertional mutagenesis of the two L. lactis strains was carried out with the vector pGh9:ISS1, an...

journal_title：Applied and environmental microbiology

authors： Dupont K,Janzen T,Vogensen FK,Josephsen J,Stuer-Lauridsen B

更新日期：2004-10-01 00:00:00

abstract：:Of some 350 microorganisms screened, four strains of Pithomyces species were found to carry out regio-selective hydroxylation of patchoulol, a sesquiterpene, to 10-hydroxypatchoulol: Pithomyces sp. NRJ201, P. chartarum NRJ210, and, to a lesser extent, P. cynodontis ATCC 26150 and P. atro-olivaceus IFO 6651 were found ...

journal_title：Applied and environmental microbiology

authors： Suhara Y,Itoh S,Ogawa M,Yokose K,Sawada T,Sano T,Ninomiya R,Maruyama HB

更新日期：1981-08-01 00:00:00

abstract：:The respiration percentage of H-labeled glucose by heterotrophic microorganisms in water samples was determined by a method based on equimolar addition of [H]- and [C]glucose to samples. The respiration percentage of [H]glucose exceeded that of [C]glucose by 10% over the assayed range of respiration rates. Respiration...

journal_title：Applied and environmental microbiology

authors： Kuparinen J,Tamminen T

更新日期：1982-04-01 00:00:00

abstract：:A new membrane filter agar medium (MI agar) containing a chromogen, indoxyl-beta-D-glucuronide, and a fluorogen, 4-methylumbelliferyl-beta-D-galactopyranoside, was developed to simultaneously detect and enumerate Escherichia coli and total coliforms (TC) in water samples on the basis of their enzyme activities. TC pro...

journal_title：Applied and environmental microbiology

authors： Brenner KP,Rankin CC,Roybal YR,Stelma GN Jr,Scarpino PV,Dufour AP

更新日期：1993-11-01 00:00:00

abstract：:The ability of various subsets of poultry intestinal microbiota to protect turkeys from colonization by Campylobacter jejuni was investigated. Community subsets were generated in vivo by inoculation of day-old poults with the cecal contents of a Campylobacter-free adult turkey, followed by treatment with one antimicro...

journal_title：Applied and environmental microbiology

authors： Scupham AJ,Jones JA,Rettedal EA,Weber TE

更新日期：2010-12-01 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：:Hepatitis A virus disinfection was assessed on contaminated stainless-steel disks. Ten microliters of fecally suspended hepatitis A virus was deposited on the center of each disk, dried for 20 min, and then covered with 20 microliters of the test product for 1 min. Of the 20 formulations tested, only 2% glutaraldehyde...

journal_title：Applied and environmental microbiology

authors： Mbithi JN,Springthorpe VS,Sattar SA

更新日期：1990-11-01 00:00:00

abstract：:Prodigiosin (PG), a red linear tripyrrole pigment normally secreted by Serratia marcescens, has received attention for its reported immunosuppressive, antimicrobial, and anticancer properties. Although several genes have been shown to be important for prodigiosin synthesis, information on the regulatory mechanisms beh...

journal_title：Applied and environmental microbiology

authors： Pan X,Tang M,You J,Liu F,Sun C,Osire T,Fu W,Yi G,Yang T,Yang ST,Rao Z

更新日期：2021-01-04 00:00:00

abstract：:Media used to determine the MICs of heavy metals for bacteria are unreliable because organic components in the media bind or chelate most of the metal being studied. To define specific metal activity in media and to maintain metal activity at a constant level, HEPES-MES [N-2-hydroxyethylpiperazine-N' -2-ethanesulfonic...

journal_title：Applied and environmental microbiology

authors： Angle JS,Chaney RL

更新日期：1989-08-01 00:00:00

abstract：:The bacteriocin nisin is produced only by some strains of Lactococcus lactis, and to date production in other lactic acid bacteria has not been achieved. Enterococcus sp. strain N12beta is a nisin-immune transconjugant obtained from a nisin-producing donor (L. lactis ATCC 11454) and a dairy recipient (Enterococcus sp....

journal_title：Applied and environmental microbiology

authors： Li H,O'Sullivan DJ

更新日期：2002-07-01 00:00:00

abstract：:Ten laboratories participated in an interlaboratory comparison of determination of bioleaching rates of a pyrite reference material. A standardized procedure and a single strain of Thiobacillus ferrooxidans were used in this study. The mean rate of bioleaching of the pyrite reference material was 12.4 mg of Fe per lit...

journal_title：Applied and environmental microbiology

authors： Olson GJ

更新日期：1991-03-01 00:00:00

abstract：:We have extended the technique of electroporation as a genetic tool for manipulating the Agrobacterium tumefaciens chromosome. We used this technique to introduce chromosomal DNA into recipient A. tumefaciens strains by electroporation and constructed isogenic chvE mutants that share the same chromosomal background bu...

journal_title：Applied and environmental microbiology

authors： Charles TC,Doty SL,Nester EW

更新日期：1994-11-01 00:00:00

abstract：:Chloromethane, a gaseous natural product implicated in methylation processes in Phellinus pomaceus, has been shown to act as methyl donor in veratryl alcohol biosynthesis in the lignin-degrading fungi Phanerochaete chrysosporium, Phlebia radiata, and Coriolus versicolor, none of which released detectable amounts of CH...

journal_title：Applied and environmental microbiology

authors： Harper DB,Buswell JA,Kennedy JT,Hamilton JT

更新日期：1990-11-01 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：:In the United States, the 2009 pandemic influenza A (H1N1) virus (pH1N1) infected almost 20% of the population and caused >200,000 hospitalizations and >10,000 deaths from April 2009 to April 2010. On 24 April 2009, the CDC posted interim guidance on infection control measures in health care settings explicitly for pH...

journal_title：Applied and environmental microbiology

authors： Coulliette AD,Perry KA,Edwards JR,Noble-Wang JA

更新日期：2013-04-01 00:00:00

abstract：:A mixed methanogenic culture fed with glucose was perturbed with butyrate and formate to investigate the role of formate in the acetogenesis of butyrate. A free energy analysis suggests that formate rather than H(2) was the interspecies electron carrier for butyrate conversion into acetate for the culture studied. ...

journal_title：Applied and environmental microbiology

authors： Bae J,McCarty PL

更新日期：1993-02-01 00:00:00

abstract：:Rsan-ver, a strain of Pseudomonas aeruginosa isolated at this department, was used for the development of a continuous process for biosurfactant production. The active compounds were identified as rhamnolipids. A final medium for production was designed in continuous culture by means of medium shifts, since the format...

journal_title：Applied and environmental microbiology

authors： Guerra-Santos L,Käppeli O,Fiechter A

更新日期：1984-08-01 00:00:00

abstract：:Total coliforms and total coliforms resistant to streptomycin, tetracycline, or chloramphenicol were isolated from filtered activated sludge effluents before and after UV light irradiation. Although the UV irradiation effectively disinfected the wastewater effluent, the percentage of the total surviving coliform popul...

journal_title：Applied and environmental microbiology

authors： Meckes MC

更新日期：1982-02-01 00:00:00