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Hormesis response of marine and freshwater luminescent bacteria to metal exposure
Shen, Kaili; Shen, Chaofeng; Lu, Yuan; Tang, Xianjin; Zhang, Congkai; Chen, Xincai; Shi, Jiyan; Lin, Qi; Chen, Yingxu.
  • Shen, Kaili; Zhejiang University. Department of Environmental Engineering. Huajiachi Campus. CN
  • Shen, Chaofeng; Zhejiang University. Department of Environmental Engineering. Huajiachi Campus. CN
  • Lu, Yuan; Huzhou Vacational and Technical College. CN
  • Tang, Xianjin; Zhejiang University. Department of Environmental Engineering. Huajiachi Campus. CN
  • Zhang, Congkai; Zhejiang University. College of Environmental & Resources Science. MOE Key Lab of Environmental Remediation and Ecosystem Health. CN
  • Chen, Xincai; Zhejiang University. Department of Environmental Engineering. Huajiachi Campus. CN
  • Shi, Jiyan; Zhejiang University. Department of Environmental Engineering. Huajiachi Campus. CN
  • Lin, Qi; Zhejiang University. Department of Environmental Engineering. Huajiachi Campus. CN
  • Chen, Yingxu; Zhejiang University. Department of Environmental Engineering. Huajiachi Campus. CN
Biol. Res ; 42(2): 183-187, 2009. graf
Article in English | LILACS | ID: lil-524888
ABSTRACT
The stimulatory effect of low concentrations of toxic chemicals on organismal metabolism, referred to as hormesis, has been found to be common in the widely used luminescence bioassay. This paper aims to study the hormesis phenomenon in both marine and freshwater luminescent bacteria, named Photobacterium phosphorem and Vibrio qinghaiensis. The effects of Cu (II), Zn (II), Cd (II) and Cr (VI) on luminescence of these two bacteria were studied for 0 to 75 minutes exposure by establishing dose- and time-response curves. A clear hormesis phenomenon was observed in all four testing metals at low concentrations under the condition of luminescence assays.
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Full text: Available Index: LILACS (Americas) Main subject: Photobacterium / Vibrio / Metals, Heavy Language: English Journal: Biol. Res Journal subject: Biology Year: 2009 Type: Article / Project document Affiliation country: China Institution/Affiliation country: Huzhou Vacational and Technical College/CN / Zhejiang University/CN

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Full text: Available Index: LILACS (Americas) Main subject: Photobacterium / Vibrio / Metals, Heavy Language: English Journal: Biol. Res Journal subject: Biology Year: 2009 Type: Article / Project document Affiliation country: China Institution/Affiliation country: Huzhou Vacational and Technical College/CN / Zhejiang University/CN