Microbial rhodopsins on leaf surfaces of terrestrial plants

被引：59

作者：

Atamna-Ismaeel, Nof ^{[1
]}

Finkel, Omri M. ^{[4
]}

Glaser, Fabian ^{[2
]}

Sharon, Itai ^{[1
,3
]}

Schneider, Ron ^{[4
]}

Post, Anton F. ^{[5
]}

Spudich, John L. ^{[6
]}

von Mering, Christian ^{[7
,8
]}

Vorholt, Julia A. ^{[9
]}

Iluz, David ^{[10
]}

Beja, Oded ^{[1
]}

Belkin, Shimshon ^{[4
]}

机构：

[1] Technion Israel Inst Technol, Fac Biol, IL-32000 Haifa, Israel

[2] Technion Israel Inst Technol, Bioinformat Knowledge Unit, Lorry I Lokey Interdisciplinary Ctr Life Sci & En, IL-32000 Haifa, Israel

[3] Technion Israel Inst Technol, Fac Comp Sci, IL-32000 Haifa, Israel

[4] Hebrew Univ Jerusalem, Dept Plant & Environm Sci, Alexander Silberman Inst Life Sci, IL-91904 Jerusalem, Israel

[5] Marine Biol Lab, Josephine Bay Paul Ctr Comparat Mol Biol & Evolut, Woods Hole, MA 02543 USA

[6] Univ Texas Houston, Dept Biochem & Mol Biol, Ctr Membrane Biol, Sch Med, Houston, TX 77030 USA

[7] Univ Zurich, Fac Sci, Inst Mol Life Sci, CH-8057 Zurich, Switzerland

[8] Univ Zurich, Swiss Inst Bioinformat, CH-8057 Zurich, Switzerland

[9] ETH, Inst Microbiol, CH-8093 Zurich, Switzerland

[10] Bar Ilan Univ, Fac Life Sci, IL-52900 Ramat Gan, Israel

来源：

ENVIRONMENTAL MICROBIOLOGY | 2012年 / 14卷 / 01期

基金：

美国国家卫生研究院; 以色列科学基金会; 美国国家科学基金会;

关键词：

OCEAN SAMPLING EXPEDITION; PROTON PUMP; FRESH-WATER; PROTEORHODOPSIN; BACTERIA; LIGHT; XANTHORHODOPSIN; PHOTOTROPHY; HABITATS; ATLANTIC;

D O I：

10.1111/j.1462-2920.2011.02554.x

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

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.

引用

页码：140 / 146

页数：7

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