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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
The Sorghum bicolor genome and the diversification of grasses
Nature, Volume 457, No. 7229, Year 2009
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Description
Sorghum, an African grass related to sugar cane and maize, is grown for food, feed, fibre and fuel. We present an initial analysis of the ∼730-megabase Sorghum bicolor (L.) Moench genome, placing ∼98% of genes in their chromosomal context using whole-genome shotgun sequence validated by genetic, physical and syntenic information. Genetic recombination is largely confined to about one-third of the sorghum genome with gene order and density similar to those of rice. Retrotransposon accumulation in recombinationally recalcitrant heterochromatin explains the ∼75% larger genome size of sorghum compared with rice. Although gene and repetitive DNA distributions have been preserved since palaeopolyploidization ∼70 million years ago, most duplicated gene sets lost one member before the sorghum-rice divergence. Concerted evolution makes one duplicated chromosomal segment appear to be only a few million years old. About 24% of genes are grass-specific and 7% are sorghum-specific. Recent gene and microRNA duplications may contribute to sorghum's drought tolerance. ©2009 Macmillan Publishers Limited. All rights reserved.
Authors & Co-Authors
Paterson, Andrew H.
United States, Athens
University of Georgia
Bowers, John E.
United States, Athens
University of Georgia
Brüggmann, Rémy
United States, New Brunswick
Rutgers University–new Brunswick
Dubchak, Inna L.
United States, Berkeley
U.s. Department of Energy Joint Genome Institute
Grimwood, Jane
United States, Palo Alto
Stanford University
Gundlach, Heidrun
Germany, Oberschleissheim
Helmholtz Center Munich German Research Center for Environmental Health
Haberer, Georg
Germany, Oberschleissheim
Helmholtz Center Munich German Research Center for Environmental Health
Hellsten, Uffe
United States, Berkeley
U.s. Department of Energy Joint Genome Institute
Poliakov, Alexander V.
United States, Berkeley
U.s. Department of Energy Joint Genome Institute
Schmutz, Jeremy
United States, Palo Alto
Stanford University
Spannagl, Manuel
Germany, Oberschleissheim
Helmholtz Center Munich German Research Center for Environmental Health
Tang, Haibao
United States, Athens
University of Georgia
Wang, Xiyin
United States, Athens
University of Georgia
China, Tangshan
Hebei Polytechnic University
Wicker, Thomas M.
Switzerland, Zurich
Universität Zürich
Bharti, Arvind K.
United States, New Brunswick
Rutgers University–new Brunswick
Feltus, Frank Alex
United States, Athens
University of Georgia
United States, Clemson
Clemson University
Grigoriev, Igor V.
United States, Berkeley
U.s. Department of Energy Joint Genome Institute
Lyons, Eric H.
United States, Berkeley
University of California, Berkeley
Maher, Christopher A.
United States, Cold Spring Harbor
Cold Spring Harbor Laboratory
Narechania, Apurva
United States, Cold Spring Harbor
Cold Spring Harbor Laboratory
Otillar, Robert P.
United States, Berkeley
U.s. Department of Energy Joint Genome Institute
Salamov, Asaf A.
United States, Berkeley
U.s. Department of Energy Joint Genome Institute
Gingle, Alan R.
United States, Athens
University of Georgia
Hash, Charles Tom
India, Patancheru
International Crops Research Institute for the Semi-arid Tropics
Keller, Beat
Switzerland, Zurich
Universität Zürich
Klein, Patricia E.
United States, College Station
Texas A&m University
Kresovich, Stephen
United States, Ithaca
Cornell University
McCann, Maureen C.
United States, West Lafayette
Purdue University
Ming, Reiguang
United States, Urbana
University of Illinois Urbana-champaign
Peterson, Daniel G.
United States, Athens
University of Georgia
United States, Mississippi State
Mississippi State University
Ware, Doreen H.
United States, Cold Spring Harbor
Cold Spring Harbor Laboratory
United States, Ithaca
Usda Ars Robert W. Holley Center for Agriculture and Health
Mayer, Klaus F.X.
Germany, Oberschleissheim
Helmholtz Center Munich German Research Center for Environmental Health
Rokhsar, Daniel S.
United States, Berkeley
U.s. Department of Energy Joint Genome Institute
United States, Palo Alto
Stanford University
Statistics
Citations: 2,277
Authors: 33
Affiliations: 19
Identifiers
Doi:
10.1038/nature07723
ISSN:
14764687
Research Areas
Food Security
Genetics And Genomics