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Title 

Alicyclobacillus tengchongensis sp. nov., a thermo-acidophilic bacterium isolated from hot spring soil

Authors 

Min Goo KimJ C LeeDong Jin ParkW J LiChang-Jin Kim

Publisher 

Microbiological Society of Korea

Issue Date 

2014

Citation 

Journal of Microbiology, vol. 52, no. 10, pp. 884-889

Keywords 

acidophilic bacteriumAlicyclobacillus tengchongensis sp. nov.taxonomy

Abstract 

A thermo-acidophilic bacterium, designated strain ACK006T, was isolated from the soil of a hot sp.ing at Tengchong in China. Cells were Gram-staining-positive, motile, catalasepositive and oxidase-negative, sp.re-forming rods. The isolate grew aerobically at 30-50°C (optimum at 45°C), pH 2.0-6.0 (optimum pH 3.2) and 0-5.0% (w/v) NaCl (optimum 1% NaCl). Phylogenetic analyses based on 16S rRNA gene sequences indicated that strain ACK006T belongs to the genus Alicyclobacillus with the sequence similarity of 92.3, 92.4, 92.5, and 92.8% to Alicyclobacillus cycloheptanicus SCHT, Alicyclobacillus ferrooxydans TC-34T, Alicyclobacillus contaminans 3-A191T and Alicyclobacillus disulfidooxidans SD-11T, respectively. Similarity to other sp.cies of the genus Alicyclobacillus was 90.3-92.8% and similarity to sp.cies of the genus Tumebacillus was 85.9-87.8%. The genomic DNA G+C content was 53.7 mol%. The predominant menaquinone was MK-7. Major fatty acids were ω-cycloheptane C18:0, iso-C17:0 and anteiso-C17:0. The cell-wall peptidoglycan was the Alγ type; containing meso-diaminopimelic acid as the diagnostic diamino acid. On the basis of polyphasic analysis from this study, strain ACK006T represents a nov.l sp.cies of the genus Alicyclobacillus for which the name Alicyclobacillus tengchongensis sp. nov. is proposed. The type strain is ACK006T (=KCTC 33022T =DSM 25924T).

ISSN 

1225-8873

Link 

http://dx.doi.org/10.1007/s12275-014-3625-z

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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