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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
general
The Medicago genome provides insight into the evolution of rhizobial symbioses
Nature, Volume 480, No. 7378, Year 2011
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Description
Legumes (Fabaceae or Leguminosae) are unique among cultivated plants for their ability to carry out endosymbiotic nitrogen fixation with rhizobial bacteria, a process that takes place in a specialized structure known as the nodule. Legumes belong to one of the two main groups of eurosids, the Fabidae, which includes most species capable of endosymbiotic nitrogen fixation. Legumes comprise several evolutionary lineages derived from a common ancestor 60 million years ago (Myr ago). Papilionoids are the largest clade, dating nearly to the origin of legumes and containing most cultivated species. Medicago truncatula is a long-established model for the study of legume biology. Here we describe the draft sequence of the M. truncatula euchromatin based on a recently completed BAC assembly supplemented with Illumina shotgun sequence, together capturing ∼ 94% of all M. truncatula genes. A whole-genome duplication (WGD) approximately 58 Myr ago had a major role in shaping the M. truncatula genome and thereby contributed to the evolution of endosymbiotic nitrogen fixation. Subsequent to the WGD, the M. truncatula genome experienced higher levels of rearrangement than two other sequenced legumes, Glycine max and Lotus japonicus. M. truncatula is a close relative of alfalfa (Medicago sativa), a widely cultivated crop with limited genomics tools and complex autotetraploid genetics. As such, the M. truncatula genome sequence provides significant opportunities to expand alfalfa's genomic toolbox. © 2011 Macmillan Publishers Limited. All rights reserved.
Authors & Co-Authors
Young, Nevin Dale
Unknown Affiliation
Debéllé, Frédéric
Unknown Affiliation
Oldroyd, Giles E.D.
Unknown Affiliation
Geurts, Rene
Unknown Affiliation
Cannon, Steven B.
Unknown Affiliation
Udvardi, Michael
Unknown Affiliation
Benedito, Vagner Augusto
Unknown Affiliation
Mayer, Klaus F.X.
Unknown Affiliation
Gouzy, Jérõme
Unknown Affiliation
Schoof, Heiko
Unknown Affiliation
Van de Peer, Y.
Unknown Affiliation
Proost, Sebastian
Unknown Affiliation
Cook, Douglas R.
Unknown Affiliation
Meyers, Blake C.
Unknown Affiliation
Spannagl, Manuel
Unknown Affiliation
Cheung, Foo K.
Unknown Affiliation
de Mita, Stéphane
Unknown Affiliation
Krishnakumar, Vivek
Unknown Affiliation
Gundlach, Heidrun
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Zhou, Shiguo
Unknown Affiliation
Mudge, Joann
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Bharti, Arvind K.
Unknown Affiliation
Murray, Jeremy D.
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Naoumkina, Marina A.
Unknown Affiliation
Rosen, Benjamin D.
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Silverstein, Kevin A.T.
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Tang, Haibao
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Rombauts, Stéphane
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Zhao, Patrick X.
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Zhou, Peng
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Barbe, Valérie
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Bardou, Philippe
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Bechner, Michael
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Bellec, Arnaud
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Berger, Anne
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Bérgès, Hélène
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Bidwell, Shelby L.
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Bisseling, Ton
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Choisne, Nathalie
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Couloux, Arnaud
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Denny, Roxanne
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Deshpande, Shweta
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Dai, Xinbin
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Doyle, Jeff J.
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Dudez, Anne Marie
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Farmer, Andrew
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Fouteau, Stéphanie
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Franken, Carolien
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Gibelin, Chrystel
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Gish, John
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Goldstein, Steven
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González, Alvaro J.
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Green, Pamela J.
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Hallab, Asis
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Hartog, Marijke
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Hua, Axin
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Humphray, Sean J.
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Jeong, Dong Hoon
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Jing, Yi
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Jöcker, Anika
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Kenton, Steve M.
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Kim, Dong Jin
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Klee, Kathrin
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Lai, Hongshing
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Lang, Chunting
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Lin, Shaoping
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Cree, Simone L.
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Magdelenat, Ghislaine
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Matthews, Lucy H.
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McCorrison, Jamison M.
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Monaghan, Erin L.
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Mun, Jeong Hwan
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Najar, Fares Z.
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Nicholson, Christine
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Noirot, Céline
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O'Bleness, Majesta
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Paule, Charles R.
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Poulain, Julie
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Prion, Florent
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Qin, Baifang
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Qu, Chunmei
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Retzel, Ernest F.
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Riddle, Claire
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Sallet, Erika
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Samain, Sylvie
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Samson, Nicolas
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Sanders, Iryna
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Saurat, Olivier
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Scarpelli, Claude
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Schiex, Thomas
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Ségurens, Béatrice
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Severin, Andrew Josef
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Sherrier, D. Janine
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Shi, Ruihua
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Sims, Sarah K.
Unknown Affiliation
Singer, Susan R.
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Sinharoy, Senjuti
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Sterck, Lieven
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Viollet, Agnès
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Wang, Bing Bing
Unknown Affiliation
Statistics
Citations: 1,141
Authors: 100
Affiliations: 29
Identifiers
Doi:
10.1038/nature10625
ISSN:
00280836
e-ISSN:
14764687
Research Areas
Cancer
Genetics And Genomics