Crossref journal-article
Wiley
Environmental Microbiology (311)
Abstract

SummaryHaloarchaeal rhodopsins are a diverse group of transmembrane proteins that use light energy to drive several different cellular processes. Two rhodopsins, bacteriorhodopsin and halorhodopsins, are H+ and Cl– ion pumps, respectively, and two rhodopsins, sensory rhodopsin I and II, regulate phototaxis. Bacteriorhodopsin is of special interest as it is a non‐chlorophyll‐based type of phototrophy (i.e. generation of chemical energy from light energy). However, very little is known about the diversity and distribution of rhodopsin genes in hypersaline environments. Here, we have used environmental PCR and cloning techniques to directly retrieve rhodopsin genes from three different salinity ponds located in a sea salt manufacturing facility near Alicante, Spain. Our survey resulted in the discovery of previously concealed variation including what is hypothesized to be bacteriorhodopsin genes from the uncultivated square morphotype that dominates these environments. In some instances, identical genes were discovered in seemingly different habitats suggesting that some haloarchaea are present over widely varying concentrations of salt.

Bibliography

Papke, R. T., Douady, C. J., Doolittle, W. F., & Rodríguez‐Valera, F. (2003). Diversity of bacteriorhodopsins in different hypersaline waters from a single Spanish saltern. Environmental Microbiology, 5(11), 1039–1045. Portico.

Authors 4
  1. R. Thane Papke (first)
  2. Christophe J. Douady (additional)
  3. W. Ford Doolittle (additional)
  4. Francísco Rodríguez‐Valera (additional)
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Dates
Type When
Created 21 years, 10 months ago (Oct. 24, 2003, 3:55 a.m.)
Deposited 1 year, 10 months ago (Oct. 15, 2023, 1:10 a.m.)
Indexed 5 months ago (April 1, 2025, 1:21 p.m.)
Issued 21 years, 11 months ago (Sept. 8, 2003)
Published 21 years, 11 months ago (Sept. 8, 2003)
Published Online 21 years, 11 months ago (Sept. 8, 2003)
Published Print 21 years, 10 months ago (Nov. 1, 2003)
Funders 0

None

@article{Papke_2003, title={Diversity of bacteriorhodopsins in different hypersaline waters from a single Spanish saltern}, volume={5}, ISSN={1462-2920}, url={http://dx.doi.org/10.1046/j.1462-2920.2003.00501.x}, DOI={10.1046/j.1462-2920.2003.00501.x}, number={11}, journal={Environmental Microbiology}, publisher={Wiley}, author={Papke, R. Thane and Douady, Christophe J. and Doolittle, W. Ford and Rodríguez‐Valera, Francísco}, year={2003}, month=sep, pages={1039–1045} }