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PMID: 21883799 Published · ppublish English Journal Article Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S.

Microbial rhodopsins on leaf surfaces of terrestrial plants.

Environmental microbiology ·Vol. 14 ·No. 1 ·2012-01-00 ·Pages 140-6

Atamna-Ismaeel N, Finkel OM, Glaser F, Sharon I, Schneider R, Post AF, Spudich JL, von Mering C, Vorholt JA, Iluz D, Béjà O, Belkin S

Abstract

The above-ground surfaces of terrestrial plants, the phyllosphere, comprise the main interface between the terrestrial biosphere and solar radiation. It is estimated to host up to 10(26) microbial cells that may intercept part of the photon flux impinging on the leaves. Based on 454-pyrosequencing-generated metagenome data, we report on the existence of diverse microbial rhodopsins in five distinct phyllospheres from tamarisk (Tamarix nilotica), soybean (Glycine max), Arabidopsis (Arabidopsis thaliana), clover (Trifolium repens) and rice (Oryza sativa). Our findings, for the first time describing microbial rhodopsins from non-aquatic habitats, point towards the potential coexistence of microbial rhodopsin-based phototrophy and plant chlorophyll-based photosynthesis, with the different pigments absorbing non-overlapping fractions of the light spectrum.

MeSH Terms
Ecosystem Light Metagenome Photosynthesis Phototrophic Processes Phylogeny Plant Leaves/microbiology Plants/microbiology Rhodopsins, Microbial/analysis
Chemicals
Rhodopsins, Microbial
Authors & Affiliations
12 authors, click to expand affiliations / ORCID
Atamna-Ismaeel Nof
Faculty of Biology, Lorry I Lokey Interdisciplinary Center for Life Sciences and Engineering, Faculty of Computer Science, Technion - Israel Institute of Technology, Haifa 32000, Israel.
Finkel Omri M
Glaser Fabian
Sharon Itai
Schneider Ron
Post Anton F
Spudich John L
von Mering Christian
Vorholt Julia A
Iluz David
Béjà Oded
Belkin Shimshon
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Article Info
Journal
Environmental microbiology
Abbr.
Environ Microbiol
ISSN
1462-2920
DOI
10.1111/j.1462-2920.2011.02554.x
Published
2012-01-00
Epub
2011-00-01
Pages
140-6
Language
English
Region
England
NLM ID
100883692
PMCID
PMC3608849
Subset
IM
Grants
NIGMS NIH HHS · R37 GM027750 · United States
NIGMS NIH HHS · R37GM27750 · United States
External Links
PubMed source DOI: 10.1111/j.1462-2920.2011.02554.x PMC Full Text View journal details
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