TITLE

Study On The Effects Of 60Co Gamma-Rays, Ultraviolet Light (UV), And Hydrogen Peroxide On Haloferax IRU

AUTHOR(S)
Asgarani, Ezat; Shirzad, Mahdiieh; Soudi, Mohammad Reza; Shahmohammadi, Hamid Reza
PUB. DATE
January 2007
SOURCE
Internet Journal of Microbiology;Jan2007, Vol. 3 Issue 1, p1
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The capacity of Haloferax IRU which isolated from Uromia salt lake to withstand the lethal effects of [sup 60]Co γ-rays, ultraviolet light (UV), and hydrogen peroxide were studied and compared with those of Halobacterium salinarium and Escherichia coli B/r. D[sub 37] values for Haloferax IRU, Halobacterium salinarum, and E.coli B/r were 645, 400, and 99 Gy, respectively, by exposure to [sup 60]Co gamma-rays. They were 231, 246, and 9 J/m², respectively, by exposure to UV light, and 22, 43.5, and 3 mM, by exposure to hydrogen peroxide. Against these agents, Haloferax IRU was much more resistant than E. coli B/r. This is the first report of the resistibility in this member of Archaea.
ACCESSION #
26358254

 

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