Characterization and Potential Applications of a Selenium Nanoparticle Producing and Nitrate Reducing Bacterium Bacillus oryziterrae sp nov.
Bao, Peng1,2; Xiao, Ke-Qing3; Wang, Hui-Jiao4; Xu, Hao4; Xu, Peng-Peng5; Jia, Yan6; Haggblom, Max M.7; Zhu, Yong-Guan1,3
2016-09-28
发表期刊SCIENTIFIC REPORTS
ISSN2045-2322
卷号6期号:SEP页码:34054
摘要

A novel nitrate-and selenite reducing bacterium strain ZYK(T) was isolated from a rice paddy soil in Dehong, Yunnan, China. Strain ZYK(T) is a facultative anaerobe and grows in up to 150, 000 ppm O-2. The comparative genomics analysis of strain ZYK(T) implies that it shares more orthologues with B. subtilis subsp. subtilis NCIB 3610(T) (ANIm values, 85.4-86.7%) than with B. azotoformans NBRC 15712(T) (ANIm values, 84.4-84.7%), although B. azotoformans NBRC 15712(T) (96.3% 16S rRNA gene sequence similarity) is the closest Bacillus species according to 16S rRNA gene comparison. The major cellular fatty acids of strain ZYK(T) were iso-C-14: 0 (17.8%), iso-C-15: 0 (17.8%), and C-16: 0 (32.0%). The polar lipid profile consisted of phosphatidylethanolamine, diphosphatidylglycerol, phosphatidylglycerol and an unidentified aminophospholipid. Based on physiological, biochemical and genotypic properties, the strain was considered to represent a novel species of the genus Bacillus, for which the name Bacillus oryziterrae sp. nov. is proposed. The type strain is ZYK(T) (= DSM 26460T = CGMCC 1.5179T). Strain ZYK(T) can reduce nitrate to nitrite and ammonium and possesses metabolic genes for nitrate reduction including nar, nap and nrf. Biogenic selenium nanoparticles of strain ZYK(T) show a narrow size distribution and agree with the gaussian distribution. These selenium nanoparticles show significant dose-dependent inhibition of the lung cancer cell line H157, which suggests potential for application in cancer therapy.

文章类型Article
WOS标题词Science & Technology
DOI10.1038/srep34054
收录类别SCI
语种英语
关键词[WOS]MULTIPLE SEQUENCE ALIGNMENT ; PADDY FIELD SOIL ; ELEMENTAL SELENIUM ; CANCER-CELLS ; RICE ; IDENTIFICATION ; METABOLISM ; REDUCTASES ; REDUCTION ; STRAIN
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
项目资助者National Natural Science Foundation of China(41571240)
WOS记录号WOS:000384164900001
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21466
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Environm & Hlth, Xiamen 361021, Peoples R China
2.Chinese Acad Sci, Ningbo Urban Environm Observat & Res Stn, Ningbo 315800, Zhejiang, Peoples R China
3.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China
4.Univ Sci & Technol, Beijing 100083, Peoples R China
5.Beijing Fixgene Techol Co Ltd, Beijing, Peoples R China
6.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing, Peoples R China
7.Rutgers State Univ, Dept Biochem & Microbiol, Sch Environm & Biol Sci, 76 Lipman Dr, New Brunswick, NJ 08901 USA
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Bao, Peng,Xiao, Ke-Qing,Wang, Hui-Jiao,et al. Characterization and Potential Applications of a Selenium Nanoparticle Producing and Nitrate Reducing Bacterium Bacillus oryziterrae sp nov.[J]. SCIENTIFIC REPORTS,2016,6(SEP):34054.
APA Bao, Peng.,Xiao, Ke-Qing.,Wang, Hui-Jiao.,Xu, Hao.,Xu, Peng-Peng.,...&Zhu, Yong-Guan.(2016).Characterization and Potential Applications of a Selenium Nanoparticle Producing and Nitrate Reducing Bacterium Bacillus oryziterrae sp nov..SCIENTIFIC REPORTS,6(SEP),34054.
MLA Bao, Peng,et al."Characterization and Potential Applications of a Selenium Nanoparticle Producing and Nitrate Reducing Bacterium Bacillus oryziterrae sp nov.".SCIENTIFIC REPORTS 6.SEP(2016):34054.
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