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International Journal of Environmental Health Research Volume 24, 2014 - Issue 1
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Isolation and phylogenic identification of soil haloalkaliphilic strains in the former Texcoco Lake

Marisela Y. Soto-PadillaBiotecnología y Ciencias Alimentarias, Instituto Tecnológico de Sonora, Obregón, Mexico.
,
César Valenzuela-EncinasCinvestav, Biotecnología y Bioingeniería, Distrito Federal, Mexico.
,
Luc DendoovenCinvestav, Biotecnología y Bioingeniería, Distrito Federal, Mexico.
,
Rodolfo MarschCinvestav, Biotecnología y Bioingeniería, Distrito Federal, Mexico.
,
Pablo Gortáres-MoroyoquiBiotecnología y Ciencias Alimentarias, Instituto Tecnológico de Sonora, Obregón, Mexico.
&
María Isabel Estrada-AlvaradoBiotecnología y Ciencias Alimentarias, Instituto Tecnológico de Sonora, Obregón, Mexico.Correspondence[email protected]
Pages 82-90 | Received 11 Jun 2012, Accepted 19 Mar 2013, Published online: 19 Jun 2013
 
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Abstract

A wide diversity of organisms exists in soil. Well-adapted groups can be found in extreme environments. A great economic and metabolic potential for extremozymes produced by organisms living at extreme environments has been reported. Extreme characteristics such as high salt content and high pH level make the soil of the former Texcoco Lake a unique place which has not been exploited. Therefore, in this study, 66 strains from soil of the former Texcoco Lake were isolated and phylogenetically analyzed using universal oligonucleotide primers. Different genera such as Kocuria, Micrococcus, Nesterenkonia, Halomonas, Salinicoccus, Kurthia, Gracilibacillus, and Bacillus were found. However, only 22 from all isolated strains were identified at specie level.

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