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2 results on '"Sukkyun Han"'

1. Coupled arsenotrophy in a hot spring photosynthetic biofilm at Mono lake, California

Author

Hoeft, Shelley E., Kulp, Thomas R., Sukkyun Han, Lanoil, Brian, and Oremland, Ronald S.

Subjects
Archaeabacteria -- Genetic aspects, Archaeabacteria -- Physiological aspects, Archaeabacteria -- Environmental aspects, Arsenic -- Environmental aspects, Arsenic -- Chemical properties, Hot springs -- Environmental aspects, Microbial mats -- Research, Oxidation-reduction reaction -- Analysis, Polymerase chain reaction -- Usage, Biological sciences
Abstract

Preliminary community characterizations of red-pigmented biofilms found in the hot springs of Paoha Island was performed to understand the influence of Bacteria from the genus Ectothiorhodospira and assemblage of Archaea related to the Halobacteriacaea on the biofilm. The biofilm did not show PCR products for arsenite oxidase (aoxB) despite observing aerobic arsenite oxidation activity suggested close linkages between arsenic redox processes occurring within these biofilms.

Published
2010

2. Ecophysiology of 'Halarsenatibacter silvermanii' strain [SLAS-1.sup.T], gen. nov., sp. nov., a facultative chemoautotrophic arsenate respirer from salt-saturated Searles lake, California

Author

Blum, Jodi Switzer, Sukkyun Han, Lanoil, Brian, Saltikov, Chad, Witte, Brian, Tabita, F. Robert, Langley, Sean, Beveridge, Terry J., Jahnke, Linda, and Oremland, Ronald S.

Subjects
Anaerobic bacteria -- Genetic aspects, Anaerobic bacteria -- Physiological aspects, Anaerobic bacteria -- Environmental aspects, Arsenic -- Chemical properties, Arsenic -- Environmental aspects, Enzyme binding -- Analysis, Sulfur bacteria -- Genetic aspects, Sulfur bacteria -- Physiological aspects, Biological sciences
Abstract

The first example of an arsenate-respiring extreme halophile strain SLAS-1 of Halarsenatibacter silvermanii, taxonomically classified within the order Halanaerobacteriales of the domain Bacteria is reported. The substrate dynamics of an anaerobic enrichment culture obtained from Searles Lake that grows under conditions of salt saturation and whose members include a novel sulfate reducer of the order Desulfovibriales, the archaeon Halorhadus utahensis, as well as a close homolog of strain SLAS-1 is also reported.

Published
2009

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