Abstract:
:The degradation of the herbicides EPTC (S-ethyl dipropylthiocarbamate) and atrazine (2-chloro-4-ethyl-amino-6-isopropylamino-1,3,5-triazine) is associated with an indigenous plasmid in Rhodococcus sp. strain TE1. Plasmid DNA libraries of Rhodococcus sp. strain TE1 were constructed in a Rhodococcus-Escherichia coli shuttle vector, pBS305, and transferred into Rhodococcus sp. strain TE3, a derivative of Rhodococcus sp. strain TE1 lacking herbicide degradation activity, to select transformants capable of growing on EPTC as the sole source of carbon (EPTC+). Analysis of plasmids from the EPTC+ transformants indicated that the eptA gene, which codes for the enzyme required for EPTC degradation, residues on a 6.2-kb KpnI fragment. The cloned fragment also harbored the gene required for atrazine N dealkylation (atrA). The plasmid carrying the cloned fragment could be electroporated into a number of other Rhodococcus strains in which both eptA and atrA were fully expressed. No expression of the cloned genes was evident in E. coli strains. Subcloning of the 6.2-kb fragment to distinguish between EPTC- and atrazine-degrading genes was not successful.
journal_name
Appl Environ Microbioljournal_title
Applied and environmental microbiologyauthors
Shao ZQ,Behki Rdoi
10.1128/AEM.61.5.2061-2065.1995subject
Has Abstractpub_date
1995-05-01 00:00:00pages
2061-5issue
5eissn
0099-2240issn
1098-5336journal_volume
61pub_type
杂志文章abstract::The actinomycete Streptomyces setonii 75Vi2 demethylates vanillic acid and guaiacol to protocatechuic acid and catechol, respectively, and then metabolizes the products by the beta-ketoadipate pathway. UV spectroscopy showed that this strain could also metabolize veratrole (1,2-dimethoxybenzene). When grown in veratro...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.52.1.98-100.1986
更新日期:1986-07-01 00:00:00
abstract::The objective of this study was to develop a rapid, reproducible, and robust method for detecting Salmonella enterica serotype Enteritidis in poultry samples. First, for the extraction and purification of DNA from the preenrichment culture, four methods (boiling, alkaline lysis, Nucleospin, and Dynabeads DNA Direct Sy...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/aem.69.6.3456-3461.2003
更新日期:2003-06-01 00:00:00
abstract::Several probiotic strains of Bifidobacterium animalis subsp. lactis are widely supplemented into food products and dietary supplements due to their documented health benefits and ability to survive within the mammalian gastrointestinal tract and acidified dairy products. The strain specificity of these characteristics...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.01430-09
更新日期:2009-12-01 00:00:00
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journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.46.6.1420-1422.1983
更新日期:1983-12-01 00:00:00
abstract::A nodule-shaped microbial mat was found subsurface in sediments of a gas seep in the anoxic Black Sea. This mat was dominated by ANME-1 archaea and consumed methane and sulfate simultaneously. We propose that such subsurface mats represent the initial stage of previously investigated microbial reefs. ...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.71.10.6375-6378.2005
更新日期:2005-10-01 00:00:00
abstract::The genus Aeromonas includes some species that have now been identified as human pathogens of significant medical importance. We investigated the ability of 13 selected Aeromonas strains belonging to nine species isolated from clinical cases (n = 5), environmental waters (n = 5), and fish (n = 3) to adhere to and tran...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.03200-13
更新日期:2014-01-01 00:00:00
abstract::Stepwise deletions in the only plasmid in Thermus thermophilus HB27, megaplasmid pTT27, showed that two distantly located loci were important for maintenance of the plasmid. One is a minimum replicon including one gene, repT, coding a replication initiator, and the other encodes subunits of class I ribonucleotide redu...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.03603-15
更新日期:2015-12-28 00:00:00
abstract::The utilization by Alcaligenes faecalis of electrodes as the electron donor for denitrification was investigated in this study. The denitrification rate of A. faecalis with a poised potential was greatly enhanced compared with that of the controls without poised potentials. For nitrate reduction, although A. faecalis ...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.00683-15
更新日期:2015-08-15 00:00:00
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journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.00871-10
更新日期:2010-09-01 00:00:00
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journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.02145-15
更新日期:2015-11-01 00:00:00
abstract::Because Bacteroides spp. are obligate anaerobes that dominate the human fecal flora, and because some species may live only in the human intestine, these bacteria might be useful to distinguish human from nonhuman sources of fecal pollution. To test this hypothesis, PCR primers specific for 16S rRNA gene sequences of ...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.61.4.1171-1179.1995
更新日期:1995-04-01 00:00:00
abstract::To prevent transmission of mycobacterial pathogens, medical devices must be disinfected by germicides with proven mycobactericidal activity. The quantitative carrier test EN 14563 provides an international standard for evaluation of the mycobactericidal activity of disinfectants under practical conditions. However, te...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.01660-09
更新日期:2010-01-01 00:00:00
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journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.00795-18
更新日期:2018-09-17 00:00:00
abstract::Laboratory-scale soil microcosms containing different soils were permeated with CH(inf4) for up to 6 months to investigate their capacity to develop a methanotrophic community. Methane emissions were monitored continuously until steady states were established. The porous, coarse sand soil developed the greatest methan...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.61.2.592-601.1995
更新日期:1995-02-01 00:00:00
abstract::An efficient method for the transformation of the methylotrophic bacterium Methylobacterium extorquens NR-2 with a broad-host-range plasmid, pLA2917, by electroporation was examined. Transformants of M. extorquens NR-2 expressing resistance to kanamycin were obtained after electric pulse. These transformants were foun...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.57.4.924-926.1991
更新日期:1991-04-01 00:00:00
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journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.63.11.4441-4448.1997
更新日期:1997-11-01 00:00:00
abstract::We have analyzed the impact of surface-to-volume ratio on final bacterial concentrations after batch growth. We examined six bottle sizes (20 to 1,000 ml) using three independent enumeration methods to quantify growth. We found no evidence of a so-called volumetric bottle effect, thus contradicting numerous previous r...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.01914-09
更新日期:2010-02-01 00:00:00
abstract::Olavius crassitunicatus is a small symbiont-bearing worm that occurs at high abundance in oxygen-deficient sediments in the East Pacific Ocean. Using comparative 16S rRNA sequence analysis and fluorescence in situ hybridization, we examined the diversity and phylogeny of bacterial symbionts in two geographically dista...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.71.3.1553-1561.2005
更新日期:2005-03-01 00:00:00
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journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.41.5.1083-1087.1981
更新日期:1981-05-01 00:00:00
abstract::Iron (Fe) is one of the most important micronutrients for most life forms on earth. While abundant in soil, Fe bioavailability in oxic soil is very low. Under environmental conditions, bacteria need to acquire sufficient Fe to sustain growth while limiting the energy cost of siderophore synthesis. Biofilm formation mi...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.00944-20
更新日期:2020-10-28 00:00:00
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journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.02335-13
更新日期:2014-01-01 00:00:00
abstract::Campylobacter jejuni is a pathogenic, microaerophilic, gram-negative, mesophilic bacterium. Three strains isolated from humans with enteric campylobacteriosis were able to survive at high population levels (10(7) cells ml-1) as viable-but-nonculturable (VBNC) forms in microcosm water. The VBNC forms of the three C. je...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.65.3.1110-1116.1999
更新日期:1999-03-01 00:00:00
abstract::Bifidobacteria constitute a specific group of commensal bacteria that inhabit the gastrointestinal tracts of humans and other mammals. Bifidobacterium breve UCC2003 has previously been shown to utilize several plant-derived carbohydrates that include cellodextrins, starch, and galactan. In the present study, we invest...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.01114-14
更新日期:2014-07-01 00:00:00
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journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.67.2.673-679.2001
更新日期:2001-02-01 00:00:00
abstract::A norleucine-resistant mutant was derived from an isoleucine-valine auxotroph of a leucine accumulator of Serratia marcescens. The norleucine-resistant mutant could accumulate norleucine from norvaline in the medium without the addition of methionine, which antagonized norleucine. This mutant constitutively formed hom...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.34.2.135-138.1977
更新日期:1977-08-01 00:00:00
abstract::A gram-negative bacterium isolated from activated sludge was able to utilize up to 25 mM phosphonoacetate as the sole carbon and phosphorus source, with simultaneous excretion of virtually equimolar levels of phosphate. 2-Aminoethylphosphonate was similarly utilized with equivalent growth rates and cellular yields, wh...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.58.4.1364-1366.1992
更新日期:1992-04-01 00:00:00
abstract::There are a number of genetic tools available for studying Francisella tularensis, the etiological agent of tularemia; however, there is no effective inducible or repressible gene expression system. Here, we describe inducible and repressible gene expression systems for F. tularensis based on the Tet repressor, TetR. ...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.01679-12
更新日期:2012-10-01 00:00:00
abstract::Species diversity, phylogenetic affiliations, and environmental occurrence patterns of thiosulfate-oxidizing marine bacteria were investigated by using new isolates from serially diluted continental slope and deep-sea abyssal plain sediments collected off the coast of New England and strains cultured previously from G...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/aem.66.8.3125-3133.2000
更新日期:2000-08-01 00:00:00
abstract::Anoxic sediments from Rotsee (Switzerland) were analyzed for the presence and diversity of methanogens by using molecular tools and for methanogenic activity by using radiotracer techniques, in addition to the measurement of chemical profiles. After PCR-assisted sequence retrieval of the 16S rRNA genes (16S rDNA) from...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.65.6.2402-2408.1999
更新日期:1999-06-01 00:00:00
abstract::During the course of immunologic studies involving the gastrointestinal colonization of mice with Candida albicans, it became apparent that the animals were being exposed to large numbers of Aspergillus fumigatus spores which interfered with the C. albicans colonization. To determine the source of the A. fumigatus exp...
journal_title:Applied and environmental microbiology
pub_type: 杂志文章
doi:10.1128/AEM.61.6.2297-2301.1995
更新日期:1995-06-01 00:00:00