نتایج جستجو برای: shewanella sp
تعداد نتایج: 121873 فیلتر نتایج به سال:
A Gram-negative, motile, rod-shaped bacterium, strain S4(T), was isolated from coastal sediment collected off Xiamen, China. The physiological and biochemical features of strain S4(T), determined using the API 20NE, API ZYM and Biolog GN2 systems, were similar to those of members of the genus Shewanella. Phylogenetic analyses based on 16S rRNA and gyrB gene sequences placed strain S4(T) in the ...
The taxonomic relationship between several Shewanella putrefaciens isolates from the Baltic Sea and reference strains of this species is presented in this study. Results from DNA-DNA hybridization using a newly developed non-radioactive detection system and from 16S rRNA gene sequencing demonstrated that S. putrefaciens is a heterogeneous species containing more than a single genomic group. The...
Surface-associated marine bacteria are an interesting source of new secondary metabolites. The aim of this study was the isolation and identification of epiphytic bacteria from the marine brown alga, Bifurcaria bifurcata, and the evaluation of the antioxidant and antimicrobial activity of bacteria extracts. The identification of epiphytic bacteria was determined by 16S rRNA gene sequencing. Bac...
The genus Shewanella has been studied since 1931 with regard to a variety of topics of relevance to both applied and environmental microbiology. Recent years have seen the introduction of a large number of new Shewanella-like isolates, necessitating a coordinated review of the genus. In this work, the phylogenetic relationships among known shewanellae were examined using a battery of morphologi...
Emerging Infectious Diseases • www.cdc.gov/eid • Vol. 19, No. 6, June 2013 1021 2. Derby HA, Hammer BW. Bacteriology of butter. IV. Bacteriological studies on surface taint butter. Iowa Agric Exp Station Res Bull. 1931;145:387–416. 3. Holt HM, Gahrn-Hansen B, Bruun B. Shewanella algae and Shewanella putrefaciens: clinical and microbiological characteristics. Clin Microbiol Infect. 2005;11:347–5...
The main objective of this study was to purify and characterize an esterase from Shewanella sp F88. The enzyme was purified 41-fold and an overall yield of 21 %, using a two-step procedure, including ammonium sulfate precipitation and Q-sepharore chromatography. Molecular weight of the enzyme was 62.3 kDa according to SDS-PAGE data. The enzyme showed an optimum activity at pH 6.5 and 58 ˚C. Evo...
The purpose of this study was a detailed characterization of Shewanella sp. O23S, a strain involved in arsenic transformation in ancient gold mine waters contaminated with arsenic and other heavy metals. Physiological analysis of Shewanella sp. O23S showed that it is a facultative anaerobe, capable of growth using arsenate, thiosulfate, nitrate, iron or manganite as a terminal electron acceptor...
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