TITLE

High radiation and desiccation tolerance of nitrogen-fixing cultures of the cyanobacterium Anabaena sp. strain PCC 7120 emanates from genome/proteome repair capabilities

AUTHOR(S)
Singh, Harinder; Anurag, Kirti; Apte, Shree Kumar
PUB. DATE
November 2013
SOURCE
Photosynthesis Research;Nov2013, Vol. 117 Issue 1-3, p71
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The filamentous nitrogen-fixing cyanobacterium, Anabaena sp. strain PCC 7120 was found to tolerate very high doses of 60Co-gamma radiation or prolonged desiccation. Post-stress, cells remained intact and revived all the vital functions. A remarkable capacity to repair highly disintegrated genome and recycle the damaged proteome appeared to underlie such high radioresistance and desiccation tolerance. The close similarity observed between the cellular response to irradiation or desiccation stress lends strong support to the notion that tolerance to these stresses may involve similar mechanisms.
ACCESSION #
91907176

 

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