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Sulfur Species Investigation in Extra- and Intracellular Sulfur Globules of Acidithiobacillus ferrooxidans and Acidithiobacillus caldus
He, HA; Xia, JL; Jiang, HC; Yan, Y; Liang, CL; Ma, CY; Zheng, L; Zhao, YD; Qiu, GZ; Ma CY(马陈燕); Zheng L(郑雷); Zhao YD(赵屹东)
2010
发表期刊GEOMICROBIOLOGY JOURNAL
卷号27期号:8页码:707-713
通讯作者[He, Huan ; Xia, Jin-Lan ; Yan, Yi ; Liang, Chang-Li ; Qiu, Guan-Zhou] Cent S Univ, Key Lab Biomet, Minist Educ China, Sch Minerals Proc & Bioengn, Changsha 410083, Peoples R China ; [He, Huan] China Univ Min & Technol, Key Lab Coal Proc & Efficient Utilizat, Minist Educ, Sch Chem Engn & Technol, Xuzhou, Peoples R China ; [Jiang, Hong-Chen] China Univ Geosci, Geomicrobiol Lab, State Key Lab Geol Proc & Mineral Resources, Beijing, Peoples R China ; [Ma, Chen-Yan ; Zheng, Lei ; Zhao, Yi-Dong] Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing, Peoples R China
文章类型Article
摘要The sulfur chemical speciation in extracellular and intracellular sulfur globules of Acidithiobacillus ferrooxidans and Acidithiobacillus caldus were investigated with an integrated approach including scanning electron microscopy, transmission electron microscopy, energy dispersive spectroscopy and sulfur K-edge X-ray absorption near edge structure spectroscopy (XANES). The results indicated that both strains can accumulate extracellular sulfur globules when grown on thiosulfate, and the major sulfur chemical speciation of which were S8 for A. ferrooxidans and mixture of ring sulfur and polythionate for A. caldus, respectively. In contrast, A. ferrooxidans can accumulate both linear sulfur and S8 internally when grown with sulfur powder and thiosulfate, whereas A. caldus did not accumulate intracellular sulfur globules. In addition, the fitted results of sulfur K-edge XANES spectra indicated that the reduced glutathione (containing thiols groups) were involved in sulfur bio-oxidation of both strains and the tetrathionate were the intermediate products during thiosulfate metabolism by two strains.
关键词Acidithiobacillus caldus Acidithiobacillus ferrooxidans sulfur globules sulfur species XANES
学科领域Environmental Sciences & Ecology; Geology
研究领域[WOS]Environmental Sciences & Ecology ; Geology ; Environmental Sciences & Ecology ; Geology
DOI10.1080/01490451003597655
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语种英语
研究领域[WOS]Environmental Sciences & Ecology ; Geology ; Environmental Sciences & Ecology ; Geology
WOS类目Environmental Sciences ; Geosciences, Multidisciplinary
WOS记录号WOS:000282814300006
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238316
专题多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
He, HA,Xia, JL,Jiang, HC,et al. Sulfur Species Investigation in Extra- and Intracellular Sulfur Globules of Acidithiobacillus ferrooxidans and Acidithiobacillus caldus[J]. GEOMICROBIOLOGY JOURNAL,2010,27(8):707-713.
APA He, HA.,Xia, JL.,Jiang, HC.,Yan, Y.,Liang, CL.,...&赵屹东.(2010).Sulfur Species Investigation in Extra- and Intracellular Sulfur Globules of Acidithiobacillus ferrooxidans and Acidithiobacillus caldus.GEOMICROBIOLOGY JOURNAL,27(8),707-713.
MLA He, HA,et al."Sulfur Species Investigation in Extra- and Intracellular Sulfur Globules of Acidithiobacillus ferrooxidans and Acidithiobacillus caldus".GEOMICROBIOLOGY JOURNAL 27.8(2010):707-713.
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