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Isolation and characterization of Acidithiobacillus caldus from several typical environments in China

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Abstract

Six strains of moderately thermophilic sulfur-oxidizing bacteria were isolated from several different typical environments in China. The identities of the isolates were confirmed by analyses of their 16S rRNA genes, and some key physiological traits. The isolates are Gram negative, rod-shaped bacteria, their optimal temperature and pH value for growth are 45–50 °C and 2.5–3.5 respectively. They are autotrophic and used elemental sulfur, sodium thiosulfate and potassium tetrathionate as electron donor, while a little glucose stimulated their growth. 16S rDNA sequences analysis reveals that the strains are phylogenetically clustered to Acidithiobacillus caldus.

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Authors and Affiliations

  1. School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China

    Zhou Hong-bo PhD  (周洪波) (Associate Professor), Liu **  (刘晰), Fu Bo  (符波), Qiu Guan-zhou  (邱冠周), Huo Qiang  (霍**), Zeng Wei-min  (曾伟民) & Liu Jian-she  (柳建设)

  2. Key Laboratory of Marine Biogentic Resources of State Oceanic Administration, **amen, 361005, China

    Chen **n-hua  (陈新华)

Authors
  1. Zhou Hong-bo PhD  (周洪波)
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  2. Liu **  (刘晰)
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  3. Fu Bo  (符波)
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  4. Qiu Guan-zhou  (邱冠周)
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  5. Huo Qiang  (霍**)
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  6. Zeng Wei-min  (曾伟民)
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  7. Liu Jian-she  (柳建设)
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  8. Chen **n-hua  (陈新华)
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Corresponding author

Correspondence to Zhou Hong-bo PhD  (周洪波).

Additional information

Foundation item: Project (50321402) supported by the National Natural Science Foundation of China; Project(2004CB619204) supported by the State Basic Research Development Program of China; Project (DY105-02-04-05) supported by the China Ocean Mineral Resources Research and Development Association

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Zhou, Hb., Liu, X., Fu, B. et al. Isolation and characterization of Acidithiobacillus caldus from several typical environments in China. J Cent. South Univ. Technol. 14, 163–169 (2007). https://doi.org/10.1007/s11771-007-0033-0

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  • DOI: https://doi.org/10.1007/s11771-007-0033-0

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