Environmental Genomics Reveals a Single-Species Ecosystem Deep Within Earth | Zendy

Dylan Chivian | Zendy; Eoin Brodie | Zendy; Eric J. Alm | Zendy; David Culley | Zendy; Paramvir Dehal | Zendy; Todd Z. DeSantis | Zendy; Thomas M. Gihring | Zendy; Alla Lapidus | Zendy; LiHung Lin | Zendy; Stephen R. Lowry | Zendy; Duane P. Moser | Zendy; Paul M. Richardson | Zendy; Gordon Southam | Zendy; Greg Wanger | Zendy; Lisa M. Pratt | Zendy; Gary L. Andersen | Zendy; Terry C. Hazen | Zendy; Fred J. Brockman | Zendy; Adam P. Arkin | Zendy; T. C. Onstott | Zendy

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Environmental Genomics Reveals a Single-Species Ecosystem Deep Within Earth

Author(s) -

Dylan Chivian,

Eoin Brodie,

Eric J. Alm,

David Culley,

Paramvir Dehal,

Todd Z. DeSantis,

Thomas M. Gihring,

Alla Lapidus,

LiHung Lin,

Stephen R. Lowry,

Duane P. Moser,

Paul M. Richardson,

Gordon Southam,

Greg Wanger,

Lisa M. Pratt,

Gary L. Andersen,

Terry C. Hazen,

Fred J. Brockman,

Adam P. Arkin,

T. C. Onstott

Publication year - 2008

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.1155495

Subject(s) - biodiversity , thermophile , genome , archaea , biology , ecosystem , astrobiology , extreme environment , extremophile , ecology , bacteria , genetics , gene

DNA from low-biodiversity fracture water collected at 2.8-kilometer depth in a South African gold mine was sequenced and assembled into a single, complete genome. This bacterium, Candidatus Desulforudis audaxviator, composes >99.9% of the microorganisms inhabiting the fluid phase of this particular fracture. Its genome indicates a motile, sporulating, sulfate-reducing, chemoautotrophic thermophile that can fix its own nitrogen and carbon by using machinery shared with archaea. Candidatus Desulforudis audaxviator is capable of an independent life-style well suited to long-term isolation from the photosphere deep within Earth's crust and offers an example of a natural ecosystem that appears to have its biological component entirely encoded within a single genome.

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