Open AccessProteorhodopsin-Like Genes Present in Thermoacidophilic High-Mountain Microbial Communities
Author(s) -
Laura C. Bohorquez,
Carlos A. Ruiz-Pérez,
María Mercedes Zambrano
Publication year - 2012
Publication title -
applied and environmental microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.552
H-Index - 324
eISSN - 1070-6291
pISSN - 0099-2240
DOI - 10.1128/aem.01683-12
Subject(s) - biology , gene , habitat , hot spring , ecology , genetics , paleontology
Proteorhodopsin (PR) sequences were PCR amplified from three Andean acidic hot spring samples. These sequences were similar to freshwater and marine PRs and they contained residues indicative of proton-pumping activity and of proteins that absorb green light; these findings suggest that PRs might contribute to cellular metabolism in these habitats.
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