Fraction of bacteria in ocean surface waters that carry proteorhodopsin (depending on oceanic region and detection method)

Range 15% to > 70% %
Organism bacteria
Reference Kirchman DL, Hanson TE. Bioenergetics of photoheterotrophic bacteria in the oceans. Environ Microbiol Rep. 2013 Apr5(2):188-99. doi: 10.1111/j.1758-2229.2012.00367.x. p.188 right column top paragraphPubMed ID23584962
Primary Source Sabehi, G., Massana, R., Bielawski, J.P., Rosenberg, M., Delong, E.F., and Béjà, O. (2003) Novel proteorhodopsin variants from the Mediterranean and Red Seas. Environ Microbiol 5: 842–849. & Rusch, D.B. et al. (2007) The sorcerer II global ocean sampling expedition: northwest atlantic through eastern tropical pacific. PLoS Biol 5: 398–431. & Campbell, B.J., Waidner, L.A., Cottrell, M.T., and Kirchman, D.L. (2008) Abundant proteorhodopsin genes in the North Atlantic Ocean. Environ Microbiol 10: 99–109. doi: 10.1111/j.1462-2920.2007.01436.x.PubMed ID14510837, 17355176, 18211270
Comments "Photoheterotrophic microbes include the proteorhodopsin (PR)-based phototrophic (PRP) bacteria and the aerobic anoxygenic phototrophic (AAP) bacteria. After its initial discovery in a group of Gammaproteobacteria (SAR86) (Béjà et al., 2000), PR has been found in virtually every bacterial group in the ocean (Béjà and Suzuki, 2008), most notably the ubiquitous clade of Alphaproteobacteria, SAR11, and its cultivated representative, Candidatus Pelagibacter ubique (Giovannoni et al., 2005a). Proteorhodopsin is carried by 15% to > 70% of all bacteria in surface waters, depending on the oceanic region and detection method (primary sources)."
Entered by Uri M
ID 111293