G Muñoz

Pontificia Universidad Católica de Valparaíso, Valparaíso, Region de Valparaiso, Chile

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Publications (1)0 Total impact

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    ABSTRACT: Changes in the polypeptide profile induced by salt stress in halotolerant and halophilic bacteria, isolated from the Atacama desert (northern Chile), were compared with those in the cotyledons of Prosopis chilensis (Leguminoseae) seedlings, a salt tolerant plant. SDS-PAGE analyses show the presence of four predominant polypeptides, with molecular weights around 78, 70, 60 and 44 kDa respectively, both in bacteria and in cotyledons from P. chilensis seedlings raised under salt stress conditions. Moreover, the 60 and 44 kDa polypeptides seem to be salt responsive, since their concentration increases with increasing NaCl in the growth medium. Our results suggest a common mechanism for salt tolerance in prokaryotes and in eukaryotes.
    Microbiología (Madrid, Spain) 01/1998; 13(4):489-92.

Publication Stats

2 Citations

Institutions

  • 1998
    • Pontificia Universidad Católica de Valparaíso
      • Institute of Biology
      Valparaíso, Region de Valparaiso, Chile