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Paper Information

Journal:   JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY   2006 , Volume - , Number 1 (36); Page(s) 13 To 18.
 
Paper: 

STUDY ON THE RESISTANCE OF HALOFERAX RADIOTOLERANS, AN EXTREME HALOPHILIC ARCHAEBACTERIUM FROM UROMIA LAKE AGAINST ULTRAVIOLET (UV) LIGHT AND 60CO GAMMA-RAYS

 
 
Author(s):  ASGARANI E.*, SHIRZAD M., SOOUDI M.R., SHAH MOHAMMADI HAMID REZA, FALSAFI T.
 
* BIOLOGY DEPT., FACULTY OF SCIENCE, AZZAHRA UNIVERSITY, TEHRAN, IRAN
 
Abstract: 

In this work, the capacity of an extreme halophilic archaebacterium, isolated from Uromia lake, Haloferax radiotolerans to withstand the lethal effects of ultraviolet light (UV), and 60Co r-rays has heen studied. The resistibility of this organism against the DNA-damaging agents was evaluated by calculating of the survival fractions at different dose rates of UV and 60Co r-rays radiations and compared with those of Escherichia coli B/r (a radioresistant strain of E. coli). D37 values for Haloferax radiotolerans and E. coli B/r were 231, and 9 J/m2, respectively, by exposure to the UV light. They were 645, and 99 Gy, respectively, by exposure to 60Co r-rays. Against these agents, Haloferax radiotolerans shows much more resistance compare to that of E. coli B/r. This is catogorized as the first report of resistibility in the member of Archaea.

 
Keyword(s): ARCHAEBACTERIA, HALOFERAX RADIOTOLERANS, IRRADIATION, ULTRAVIOLET LIGHT (UV), GAMMA RAYS, D37 VALUE, DNA DAMAGES
 
 
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APA: Copy

ASGARANI, E., & SHIRZAD, M., & SOOUDI, M., & SHAH MOHAMMADI, H., & FALSAFI, T. (2006). STUDY ON THE RESISTANCE OF HALOFERAX RADIOTOLERANS, AN EXTREME HALOPHILIC ARCHAEBACTERIUM FROM UROMIA LAKE AGAINST ULTRAVIOLET (UV) LIGHT AND 60CO GAMMA-RAYS . JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, -(1 (36)), 13-18. https://www.sid.ir/en/journal/ViewPaper.aspx?id=104965



Vancouver: Copy

ASGARANI E., SHIRZAD M., SOOUDI M.R., SHAH MOHAMMADI HAMID REZA, FALSAFI T.. STUDY ON THE RESISTANCE OF HALOFERAX RADIOTOLERANS, AN EXTREME HALOPHILIC ARCHAEBACTERIUM FROM UROMIA LAKE AGAINST ULTRAVIOLET (UV) LIGHT AND 60CO GAMMA-RAYS . JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY. 2006 [cited 2021July29];-(1 (36)):13-18. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=104965



IEEE: Copy

ASGARANI, E., SHIRZAD, M., SOOUDI, M., SHAH MOHAMMADI, H., FALSAFI, T., 2006. STUDY ON THE RESISTANCE OF HALOFERAX RADIOTOLERANS, AN EXTREME HALOPHILIC ARCHAEBACTERIUM FROM UROMIA LAKE AGAINST ULTRAVIOLET (UV) LIGHT AND 60CO GAMMA-RAYS . JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, [online] -(1 (36)), pp.13-18. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=104965.



 
 
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