bacteriorhodopsin

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bac·te·ri·o·rho·dop·sin

 (băk-tîr′ē-ō-rō-dŏp′sĭn)
n.
A pigmented membrane protein found in extremely halophilic archaea of the genus Halobacterium that converts light energy to chemical energy and is structurally similar to rhodopsin.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

bac•te•ri•o•rho•dop•sin

(bækˌtɪər i oʊ roʊˈdɒp sɪn)

n.
a protein complex that contains retinal and is used by halobacteria for photosynthesis instead of chlorophyll.
[1975–80]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Hitherto, bacteriorhodopsins were considered unique features of halophilic archaea; however, the small ribosome subunit gene revealed its source as a gammaproteobacterium (uncultivable bacterial SAR86 lineage).