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Comparative genomic analysis of C4 photosynthetic pathway evolution in grasses |
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| Authors: | Xiyin Wang Udo Gowik Haibao Tang John E Bowers Peter Westhoff Andrew H Paterson |
| Affiliation: | (1) Plant Genome Mapping Laboratory, University of Georgia, Athens, GA 30602, USA;(2) College of Sciences, Hebei Polytechnic University, Tangshan, Hebei, 063000, China;(3) Institut fur Entwicklungs- und Molekularbiologie der Pflanzen, Heinrich-Heine-Universitat 1, Universitatsstrasse, D-40225, Dusseldorf, Germany;(4) Department of Plant Biology, University of Georgia, Athens, GA 30602, USA |
| Abstract: | BackgroundSorghum is the first C4 plant and the second grass with a full genome sequence available. This makes it possible to perform a whole-genome-level exploration of C4 pathway evolution by comparing key photosynthetic enzyme genes in sorghum, maize (C4) and rice (C3), and to investigate a long-standing hypothesis that a reservoir of duplicated genes is a prerequisite for the evolution of C4 photosynthesis from a C3 progenitor. |
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