Characterization of Ferroplasma isolates and Ferroplasma acidarmanus sp nov., extreme acidophiles from acid mine drainage and industrial bioleaching environments

Dopson, M., Baker-Austin, C., Hind, A., Bowman, J. P. and Bond, P. L. (2004) Characterization of Ferroplasma isolates and Ferroplasma acidarmanus sp nov., extreme acidophiles from acid mine drainage and industrial bioleaching environments. Applied And Environmental Microbiology, 70 4: 2079-2088. doi:10.1128/AEM.70.4.2079-2088.2004

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Author Dopson, M.
Baker-Austin, C.
Hind, A.
Bowman, J. P.
Bond, P. L.
Title Characterization of Ferroplasma isolates and Ferroplasma acidarmanus sp nov., extreme acidophiles from acid mine drainage and industrial bioleaching environments
Journal name Applied And Environmental Microbiology   Check publisher's open access policy
ISSN 0099-2240
Publication date 2004-04
Sub-type Article (original research)
DOI 10.1128/AEM.70.4.2079-2088.2004
Open Access Status File (Publisher version)
Volume 70
Issue 4
Start page 2079
End page 2088
Total pages 10
Place of publication Washington
Publisher American Society for Microbiology
Language eng
Subject 0699 Other Biological Sciences
Abstract Three recently isolated extremely acidophilic archaeal strains have been shown to be phylogenetically similar to Ferroplasma acidiphilum Y-T by 16S rRNA gene sequencing. All four Ferroplasma isolates were capable of growing chemoorganotrophically on yeast extract or a range of sugars and chemomixotrophically on ferrous iron and yeast extract or sugars, and isolate "Ferroplasma acidarmanus" Fer1(T) required much higher levels of organic carbon. All four isolates were facultative anaerobes, coupling chemoorganotrophic growth on yeast extract to the reduction of ferric iron. The temperature optima for the four isolates were between 35 and 42degreesC and the pH optima were 1.0 to 1.7, and "F. acidarmanus" Fer1(T) was capable of growing at pH 0. The optimum yeast extract concentration for "F. acidarmanus" Fer1(T) was higher than that for the other three isolates. Phenotypic results suggested that isolate "F. acidarmanus" Fer1(T) is of a different species than the other three strains, and 16S rRNA sequence data, DNA-DNA similarity values, and two-dimensional polyacrylamide gel electrophoresis protein profiles clearly showed that strains DR1, MT17, and Y-T group as a single species. "F. acidarmanus" Fer1(T) groups separately, and we propose the new species "F. acidarmanus" Fer1(T) sp. nov.
Keyword Biotechnology & Applied Microbiology
Microbiology
Thiobacillus-caldus
Iron Mountain
Gen. Nov.
Archaea
California
Bacteria
Site
Rna
Dna
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
Advanced Water Management Centre Publications
 
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Created: Wed, 19 Sep 2007, 17:40:06 EST