Actions for Studying Prokaryotic Communities in Iron Depositing Hot Springs (IDHS) : Implication for Early Mars Habitability

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Studying Prokaryotic Communities in Iron Depositing Hot Springs (IDHS) : Implication for Early Mars Habitability

Author
Sarkisova, S. A.
Published
[2010].
Physical Description
1 electronic document
Additional Creators
McKay, David S., Garrison, D. H., Allen, C. c., Tringe, S. G., Thomas-Keprta, K. L., and Brown, I. I.
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Summary
We speculate that both external and intracellular iron precipitate in iron-tolerant CB might be involved in oxidative stress suppression shown by [9]. Significant differences are apparent between a set of proteins involved in the maintenance of Fe homeostasis and oxidative stress protection in iron-tolerant and fresh-water and marine CB. Correspondingly, these properties may help to make iron-tolerant CB as dominant organisms in IDHS and probably on early Earth and Mars. Further comparative analyses of hot springs metagenomes and the genomes of iron-tolerant microbes versus fresh-water/marine ones may point out to different habitable zones on early Mars.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 20100010835.
JSC-CN-19953.
37th COSPAR Assembly; 18-25 Jul. 2010; Bremen; Germany.
Terms of Use and Reproduction
Copyright, Distribution as joint owner in the copyright.
View MARC record | catkey: 15995720