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Microbial survival rates in soil und...

Diaz, Benjamin R.

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Microbial survival rates in soil under sub-zero, low-pressure and UV conditions (Escherichia coli, Deinococcus radiodurans).

Record Type:	Electronic resources : Monograph/item
Title/Author:	Microbial survival rates in soil under sub-zero, low-pressure and UV conditions (Escherichia coli, Deinococcus radiodurans)./
Author:	Diaz, Benjamin R.
Description:	102 p.
Notes:	Source: Masters Abstracts International, Volume: 43-02, page: 0503.
Contained By:	Masters Abstracts International43-02.
Subject:	Biogeochemistry. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=EP10538
ISBN:	0496030027

Microbial survival rates in soil under sub-zero, low-pressure and UV conditions (Escherichia coli, Deinococcus radiodurans).
Diaz, Benjamin R.

Microbial survival rates in soil under sub-zero, low-pressure and UV conditions (Escherichia coli, Deinococcus radiodurans). - 102 p.

Source: Masters Abstracts International, Volume: 43-02, page: 0503.

Thesis (M.S.)--The University of Texas at El Paso, 2004.

We studied the effects of different environmental stresses on microbial populations. E. coli and D. radiodurans were exposed to sub-zero temperature, low-pressure, and UV radiation conditions. The viability of microbial populations in salt water soil, fresh water soil, and sea water was determined. Laboratory experiments were designed to simulate extreme environments to test whether or not selected microbes can remain viable after 10-day exposure to subzero temperatures, low-pressure conditions and combined subzero temperature and low-pressure conditions. Additional experiments were carried out to test whether or not selected microbes can remain viable after 24 hour exposure to UV radiation, combined UV radiation and low-pressure conditions, and finally, combined UV radiation, subzero temperature and low-pressure conditions. Results demonstrate that microorganisms such as E. coli and the radiation resistant microbe D. radiodurans can remain viable under these exposure conditions to a variable degree. These results have direct implication for assessing viabilities of terrestrial microbes in Martian environments.

ISBN: 0496030027Subjects--Topical Terms:

545717
Biogeochemistry.

Microbial survival rates in soil under sub-zero, low-pressure and UV conditions (Escherichia coli, Deinococcus radiodurans).
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008 130610s2004 eng d
020 $a 0496030027
035 $a (UnM)AAIEP10538
035 $a AAIEP10538
040 $a UnM $c UnM
100 1 $a Diaz, Benjamin R. $3 1904260
245 1 0 $a Microbial survival rates in soil under sub-zero, low-pressure and UV conditions (Escherichia coli, Deinococcus radiodurans).
300 $a 102 p.
500 $a Source: Masters Abstracts International, Volume: 43-02, page: 0503.
502 $a Thesis (M.S.)--The University of Texas at El Paso, 2004.
520 $a We studied the effects of different environmental stresses on microbial populations. E. coli and D. radiodurans were exposed to sub-zero temperature, low-pressure, and UV radiation conditions. The viability of microbial populations in salt water soil, fresh water soil, and sea water was determined. Laboratory experiments were designed to simulate extreme environments to test whether or not selected microbes can remain viable after 10-day exposure to subzero temperatures, low-pressure conditions and combined subzero temperature and low-pressure conditions. Additional experiments were carried out to test whether or not selected microbes can remain viable after 24 hour exposure to UV radiation, combined UV radiation and low-pressure conditions, and finally, combined UV radiation, subzero temperature and low-pressure conditions. Results demonstrate that microorganisms such as E. coli and the radiation resistant microbe D. radiodurans can remain viable under these exposure conditions to a variable degree. These results have direct implication for assessing viabilities of terrestrial microbes in Martian environments.
590 $a School code: 0459.
650 4 $a Biogeochemistry. $3 545717
650 4 $a Biology, Microbiology. $3 1017734
690 $a 0425
690 $a 0410
710 2 0 $a The University of Texas at El Paso. $3 1057446
773 0 $t Masters Abstracts International $g 43-02.
790 $a 0459
791 $a M.S.
792 $a 2004
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=EP10538