DNA-strand breaks limit survival in extreme dryness

Details DNA-strand breaks limit survival in extreme dryness DNA-strand breaks limit survival in extreme dryness

May 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991oleb...21..177d&link_type=abstract

Origins of Life and Evolution of the Biosphere, Volume 21, Issue 3, pp.177-187

Mathematics

Logic

15

Scientific paper

The inactivation of the anhdrobiotic organismsBacillus subtilis (spores) andDeinococcus radiodurans during long-term exposure (up to several weeks) to extreme dryness (especially vacuum) is correlated with an increase in the number of DNA-strand breaks and other DNA lesions. Survival finally depends on the repair of DNA damages. Exposure of anhydrobiotic organisms to extreme dryness (e.g. on Mars or in space) for geological times will lead to so extended DNA lesions that recovery is extremely unlikely.

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