Streptococcus suis serotypes characterized by analysis of chaperonin 60 gene sequences.

abstract：:Intestinal pathogenic Escherichia coli represents a global health problem for mammals, including humans. At present, diarrheagenic E. coli bacteria are grouped into seven major pathotypes that differ in their virulence factor profiles, severity of clinical manifestations, and prognosis. In this study, we developed and...

journal_title：Applied and environmental microbiology

authors： Müller D,Greune L,Heusipp G,Karch H,Fruth A,Tschäpe H,Schmidt MA

更新日期：2007-05-01 00:00:00

abstract：:A novel Bacillus thuringiensis crystal protein with a silent activity against the Colorado potato beetle is described. The crystal proteins are produced as bipyramidal crystals. These crystals contain a protein of 129 kDa with a trypsin-resistant core fragment of 72 kDa. Neither a spore-crystal mixture nor in vitro-so...

journal_title：Applied and environmental microbiology

authors： Lambert B,Höfte H,Annys K,Jansens S,Soetaert P,Peferoen M

更新日期：1992-08-01 00:00:00

abstract：:Basidiomycetes that cause brown rot of wood are essential biomass recyclers in coniferous forest ecosystems and a major cause of failure in wooden structures. Recent work indicates that distinct lineages of brown rot fungi have arisen independently from ligninolytic white rot ancestors via loss of lignocellulolytic en...

journal_title：Applied and environmental microbiology

authors： Korripally P,Timokhin VI,Houtman CJ,Mozuch MD,Hammel KE

更新日期：2013-04-01 00:00:00

abstract：:Rapid population growth and urban development along waterways and coastal areas have led to decreasing water quality. To examine the effects of upstream anthropogenic activities on microbiological water quality, methods for source-specific testing are required. In this study, molecular assays targeting human enterovir...

journal_title：Applied and environmental microbiology

authors： Fong TT,Griffin DW,Lipp EK

更新日期：2005-04-01 00:00:00

abstract：:Freshwater, sewage, and fecal samples from various sources were examined for Rhodococcus coprophilus, associated actinomycetes, Escherichia coli, and fecal streptococci. Rhodococcus coprophilus was isolated consistently from feces of farm animals, poultry reared in proximity to farm animals, freshwater, and wastewater...

journal_title：Applied and environmental microbiology

authors： Mara DD,Oragui JI

更新日期：1981-12-01 00:00:00

abstract：:Light microscopy and a radioassay detected no significant difference in adherence of Kanagawa-positive and Kanagawa-negative strains of Vibrio parahaemolyticus to human epithelial cell lines. ...

journal_title：Applied and environmental microbiology

authors： Gingras SP,Howard LV

更新日期：1980-02-01 00:00:00

abstract：:Methanomicrobium mobile requires a heat-stable factor present in ruminal fluid and in boiled cell extract from Methanobacterium thermoautotrophicum for growth. By comparing the growth of M. mobile with boiled cell extract with that observed with various methanogenic cofactors, we found that 7-mercaptoheptanoylthreonin...

journal_title：Applied and environmental microbiology

authors： Kuhner CH,Smith SS,Noll KM,Tanner RS,Wolfe RS

更新日期：1991-10-01 00:00:00

abstract：:The biological factors important in the penetration of Escherichia coli through anaerobic, nutrient-saturated, Ottawa sand-packed cores were studied under static conditions. In cores saturated with galactose-peptone medium, motile strains of E. coli penetrated four times faster than mutants defective only in flagellar...

journal_title：Applied and environmental microbiology

authors： Reynolds PJ,Sharma P,Jenneman GE,McInerney MJ

更新日期：1989-09-01 00:00:00

abstract：:A cattle trial using artificially inoculated calves was conducted to determine the effect of the addition of colicinogenic Escherichia coli strains capable of producing colicin E7 (a 61-kDa DNase) to feed on the fecal shedding of serotype O157:H7. The experiment was divided into three periods. In period 1, which laste...

journal_title：Applied and environmental microbiology

authors： Schamberger GP,Phillips RL,Jacobs JL,Diez-Gonzalez F

更新日期：2004-10-01 00:00:00

abstract：:The polymerase chain reaction (PCR) and a radiolabeled oligonucleotide probe were used to specifically detect proteolytic and nonproteolytic Clostridium botulinum type B. Two synthetic primers deduced from the amino acid sequence data of type B neurotoxin were used to amplify a 1.5-kbp fragment corresponding to the li...

journal_title：Applied and environmental microbiology

authors： Szabo EA,Pemberton JM,Desmarchelier PM

更新日期：1992-01-01 00:00:00

abstract：:Salmonella enterica serovar Typhimurium was grown at salt concentrations ranging from 0.5 to 7.5% in minimal medium with and without added osmoprotectant and in a rich medium. In minimal medium, the cells showed an initial decline period, and consequently the definition of the lag time of the resultant log count curve...

journal_title：Applied and environmental microbiology

authors： Zhou K,George SM,Métris A,Li PL,Baranyi J

更新日期：2011-03-01 00:00:00

abstract：:Resistance to desiccation was utilized in the selection of highly radiation-resistant asporogenous bacteria from non-irradiated sources. A bacterial suspension in phosphate buffer was dried in a thin film at 25 degrees C and 33% relative humidity. Storage under these conditions for 15 days or more reduced the number o...

journal_title：Applied and environmental microbiology

authors： Sanders SW,Maxcy RB

更新日期：1979-09-01 00:00:00

abstract：:The association of Vibrio cholerae with zooplankton has been suggested as an important factor in transmission of human epidemic cholera, and the ability to colonize zooplankton surfaces may play a role in the temporal variation and predominance of the two different serogroups (V. cholerae O1 El Tor and O139) in the aq...

journal_title：Applied and environmental microbiology

authors： Rawlings TK,Ruiz GM,Colwell RR

更新日期：2007-12-01 00:00:00

abstract：:Bacillus cereus, Clostridium perfringens, Staphylococcus aureus, Pseudomonas fluorescens, Pseudomonas fragi, Escherichia coli, and Salmonella "anatum" were challenged with butylated hydroxyanisole (BHA). Susceptibility was measured as the concentration of BHA required to cause a 90% reduction in bacterial survivors. S...

journal_title：Applied and environmental microbiology

authors： Post LS,Davidson PM

更新日期：1986-07-01 00:00:00

abstract：:The sensitivity of different microorganisms, considered as typical representatives of the microflora of soil and water, was established to evaluate the influence of the nonmedical use of antimicrobial agents on bacterial ecology. Only seven strains, six chemoorganotrophs and one chemolithotroph, could be considered as...

journal_title：Applied and environmental microbiology

authors： Van Dijck P,van de Voorde H

更新日期：1976-03-01 00:00:00

abstract：:Single 10-bp primers were used to generate random amplified polymorphic DNA (RAPD) markers from commercial and wild strains of the cultivated mushroom Agaricus bisporus via the polymerase chain reaction. Of 20 primers tested, 19 amplified A. bisporus DNA, each producing 5 to 15 scorable markers ranging from 0.5 to 3.0...

journal_title：Applied and environmental microbiology

authors： Khush RS,Becker E,Wach M

更新日期：1992-09-01 00:00:00

abstract：:Human noroviruses are excreted in feces from infected individuals and included in wastewater. It is critical to remove/inactivate them in wastewater treatment processes, particularly in the disinfection step, before release to aquatic environments. However, the high mutation rates of human noroviruses raise concerns a...

journal_title：Applied and environmental microbiology

authors： Rachmadi AT,Kitajima M,Watanabe K,Yaegashi S,Serrana J,Nakamura A,Nakagomi T,Nakagomi O,Katayama K,Okabe S,Sano D

更新日期：2018-06-18 00:00:00

abstract：:Microbial communities from a subseafloor sediment core from the southwestern Sea of Okhotsk were evaluated by performing both cultivation-dependent and cultivation-independent (molecular) analyses. The core, which extended 58.1 m below the seafloor, was composed of pelagic clays with several volcanic ash layers contai...

journal_title：Applied and environmental microbiology

authors： Inagaki F,Suzuki M,Takai K,Oida H,Sakamoto T,Aoki K,Nealson KH,Horikoshi K

更新日期：2003-12-01 00:00:00

abstract：:Preliminary observations in a large-scale fermentation process suggested that the lipase expression of Pseudomonas alcaligenes can be switched on by the addition of certain medium components, such as soybean oil. In an attempt to elucidate the mechanism of induction of lipase expression, we have set up a search method...

journal_title：Applied and environmental microbiology

authors： Krzeslak J,Gerritse G,van Merkerk R,Cool RH,Quax WJ

更新日期：2008-03-01 00:00:00

abstract：:Presumptive bacteriophage P1 transductants of Escherichia coli, isolated from soil inoculated with lysates of transducing phage P1 and E. coli, were confirmed to be lysogenic for phage P1 by hybridization with a biotinylated DNA probe prepared from the 1.2-kilobase-pair HindIII 3 fragment of bacteriophage P1. No P1 ly...

journal_title：Applied and environmental microbiology

authors： Zeph LR,Stotzky G

更新日期：1989-03-01 00:00:00

abstract：:Contamination of fresh produce with pathogenic Escherichia coli, including Shiga-toxigenic E. coli (STEC), represents a serious risk to human health. Colonization is governed by multiple bacterial and plant factors that can impact the probability and suitability of bacterial growth. Thus, we aimed to determine whether...

journal_title：Applied and environmental microbiology

authors： Merget B,Forbes KJ,Brennan F,McAteer S,Shepherd T,Strachan NJC,Holden NJ

更新日期：2019-05-16 00:00:00

abstract：:Bacillus thuringiensis produces large amounts of various pesticidal proteins during the stationary phase. In order to achieve a high yield and form crystals, some pesticidal proteins require the presence of other proteins. Helper protein P20 is required for efficient production of both the Cyt1A and Cry11A crystal pro...

journal_title：Applied and environmental microbiology

authors： Shao Z,Liu Z,Yu Z

更新日期：2001-12-01 00:00:00

abstract：:The lipopeptide, surfactin, is produced by Bacillus subtilis. A study has been made on large-scale production of this surfactant. A good yield was obtained from a glucose substrate fermentation by continuously removing the product by foam fractionation. The surfactin could be easily recovered from the collapsed foam b...

journal_title：Applied and environmental microbiology

authors： Cooper DG,Macdonald CR,Duff SJ,Kosaric N

更新日期：1981-09-01 00:00:00

abstract：:A method for the measurement of specific levels of gene expression that combines target mRNA and target DNA quantitation has been developed. The use of target gene dose as a normalizing factor for mRNA provides an alternative to 16S or 23S rRNA, which are unsuitable for use in the environment because of their presence...

journal_title：Applied and environmental microbiology

authors： Pichard SL,Paul JH

更新日期：1993-02-01 00:00:00

abstract：:[This corrects the article on p. 931 in vol. 46.]. ...

journal_title：Applied and environmental microbiology

authors：

更新日期：1984-05-01 00:00:00

abstract：:To investigate the effects of land use and crop management on soybean rhizobial communities, 280 nodule isolates were trapped from 7 fields with different land use and culture histories. Besides the known Bradyrhizobium japonicum, three novel genospecies were isolated from these fields. Grassland (GL) maintained a hig...

journal_title：Applied and environmental microbiology

authors： Yan J,Han XZ,Ji ZJ,Li Y,Wang ET,Xie ZH,Chen WF

更新日期：2014-09-01 00:00:00

abstract：:In Agrobacterium tumefaciens, the balance between acquiring enough iron and avoiding iron-induced toxicity is regulated in part by Fur (ferric uptake regulator). A fur mutant was constructed to address the physiological role of the regulator. Atypically, the mutant did not show alterations in the levels of siderophore...

journal_title：Applied and environmental microbiology

authors： Kitphati W,Ngok-Ngam P,Suwanmaneerat S,Sukchawalit R,Mongkolsuk S

更新日期：2007-08-01 00:00:00

abstract：:Fomites are known to play a role in the transmission of pathogens. Quantitative analysis of the parameters that affect sample recovery efficiency (SRE) at the limit of detection of viruses on fomites will aid in improving quantitative microbial risk assessment (QMRA) and infection control. The variability in SRE as a ...

journal_title：Applied and environmental microbiology

authors： Herzog AB,Pandey AK,Reyes-Gastelum D,Gerba CP,Rose JB,Hashsham SA

更新日期：2012-11-01 00:00:00

abstract：:Hydantoin racemase from Sinorhizobium meliloti was functionally expressed in Escherichia coli. The native form of the enzyme was a homotetramer with a molecular mass of 100 kDa. The optimum temperature and pH for the enzyme were 40 degrees C and 8.5, respectively. The enzyme showed a slight preference for hydantoins w...

journal_title：Applied and environmental microbiology

authors： Martínez-Rodríguez S,Las Heras-Vázquez FJ,Mingorance-Cazorla L,Clemente-Jiménez JM,Rodríguez-Vico F

更新日期：2004-01-01 00:00:00

abstract：:The heat resistance of susceptible and multiantimicrobial-resistant Salmonella strains grown to stationary phase in glucose-free tryptic soy broth supplemented with 0.6% yeast extract (TSBYE-G; nonadapted), in regular (0.25% glucose) TSBYE, or in TSBYE-G with 1.00% added glucose (TSBYE+G; acid adapted) was determined ...

journal_title：Applied and environmental microbiology

authors： Bacon RT,Ransom JR,Sofos JN,Kendall PA,Belk KE,Smith GC

更新日期：2003-07-01 00:00:00