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Heliorhodopsins are absent in diderm (Gram-negative) bacteria: Some thoughts and possible implications for activity
J. Flores-Uribe, G. Hevroni, R. Ghai, A. Pushkarev, K. Inoue, H. Kandori, O. Béjà,
Language English Country United States
Document type Journal Article, Research Support, Non-U.S. Gov't
Grant support
545/17
Israel Science Foundation - International
- MeSH
- Models, Biological MeSH
- Gram-Negative Bacteria classification genetics MeSH
- Metagenome MeSH
- Seawater microbiology virology MeSH
- Oceans and Seas MeSH
- Open Reading Frames MeSH
- Sensory Rhodopsins genetics metabolism MeSH
- Fresh Water microbiology virology MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Geographicals
- Oceans and Seas MeSH
Microbial heliorhodopsins are a new type of rhodopsins, currently believed to engage in light sensing, with an opposite membrane topology compared to type-1 and type-2 rhodopsins. We determined heliorhodopsins presence/absence is monoderms and diderms representatives from the Tara Oceans and freshwater metagenomes as well as metagenome assembled genome collections. Heliorhodopsins are absent in diderms, confirming our previous observations in cultured Proteobacteria. We do not rule out the possibility that heliorhodopsins serve as light sensors. However, this does not easily explain their absence from diderms. Based on these observations, we speculate on the putative role of heliorhodopsins in light-driven transport of amphiphilic molecules.
References provided by Crossref.org
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- $a Inoue, Keiichi $u Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Showa-ku, Aichi, 466-8555, Japan. OptoBioTechnology Research Center, Nagoya Institute of Technology, Showa-ku, Nagoya, 466-8555, Japan. The Institute for Solid State Physics, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba, 277-8581, Japan. PRESTO, Japan Science and Technology Agency, 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan.
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- $a Kandori, Hideki $u Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Showa-ku, Aichi, 466-8555, Japan. OptoBioTechnology Research Center, Nagoya Institute of Technology, Showa-ku, Nagoya, 466-8555, Japan.
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