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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
general
Repeated polyploidization of Gossypium genomes and the evolution of spinnable cotton fibres
Nature, Volume 492, No. 7429, Year 2012
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Description
Polyploidy often confers emergent properties, such as the higher fibre productivity and quality of tetraploid cottons than diploid cottons bred for the same environments. Here we show that an abrupt five-to sixfold ploidy increase approximately 60million years (Myr) ago, and allopolyploidy reuniting divergent Gossypium genomes approximately 1-2 Myr ago, conferred about 30-36-fold duplication of ancestral angiosperm (flowering plant) genes in elite cottons (Gossypium hirsutum and Gossypium barbadense), genetic complexity equalled only by Brassica among sequenced angiosperms. Nascent fibre evolution, before allopolyploidy, is elucidated by comparison of spinnable-fibred Gossypium herbaceum A and non-spinnable Gossypium longicalyx F genomes to one another and the outgroup D genome of non-spinnable Gossypium raimondii. The sequence of a G. hirsutum A t D t (in which t' indicates tetraploid) cultivar reveals many non-reciprocal DNA exchanges between subgenomes that may have contributed to phenotypic innovation and/or other emergent properties such as ecological adaptation by polyploids. Most DNA-level novelty in G. hirsutum recombines alleles from the D-genome progenitor native to its New World habitat and the Old World A-genome progenitor in which spinnable fibre evolved. Coordinated expression changes in proximal groups of functionally distinct genes, including a nuclear mitochondrial DNA block, may account for clusters of cotton-fibre quantitative trait loci affecting diverse traits. Opportunities abound for dissecting emergent properties of other polyploids, particularly angiosperms, by comparison to diploid progenitors and outgroups. © 2012 Macmillan Publishers Limited. All rights reserved.
Authors & Co-Authors
Paterson, Andrew H.
Unknown Affiliation
Wendel, Jonathan F.
Unknown Affiliation
Gundlach, Heidrun
Unknown Affiliation
Guo, Hui
Unknown Affiliation
Jenkins, Jerry W.
Unknown Affiliation
Jin, Dianchuan
Unknown Affiliation
Llewellyn, Danny
Unknown Affiliation
Showmaker, Kurtis C.
Unknown Affiliation
Shu, Shengqiang Qiang
Unknown Affiliation
Udall, Joshua A.
Unknown Affiliation
Yoo, Mi-jeong
Unknown Affiliation
Byers, Robert
Unknown Affiliation
Chen, Wei
Unknown Affiliation
Doron-Faigenboim, Adi
Unknown Affiliation
Duke, Mary V.
Unknown Affiliation
Gong, Lei
Unknown Affiliation
Grimwood, Jane
Unknown Affiliation
Grover, Corrinne E.
Unknown Affiliation
Grupp, Kara
Unknown Affiliation
Hu, Guanjing
Unknown Affiliation
Lee, Tae-ho
Unknown Affiliation
Li, Jingping
Unknown Affiliation
Lin, Lifeng
Unknown Affiliation
Liu, Tao
Unknown Affiliation
Marler, Barry S.
Unknown Affiliation
Page, Justin T.
Unknown Affiliation
Roberts, Alison W.
Unknown Affiliation
Romanel, Elisson
Unknown Affiliation
Sanders, William S.
Unknown Affiliation
Szadkowski, Emmanuel
Unknown Affiliation
Tan, Xu
Unknown Affiliation
Tang, Haibao
Unknown Affiliation
Xu, Chunming
Unknown Affiliation
Wang, Jinpeng
Unknown Affiliation
Wang, Zining
Unknown Affiliation
Zhang, Dong
Unknown Affiliation
Zhang, Lan
Unknown Affiliation
Ashrafi, Hamid
Unknown Affiliation
Bedon, Frank
Unknown Affiliation
Bowers, John E.
Unknown Affiliation
Brubaker, Curt L.
Unknown Affiliation
Chee, Peng W.
Unknown Affiliation
Das, Sayan
Unknown Affiliation
Gingle, Alan R.
Unknown Affiliation
Haigler, Candace H.
Unknown Affiliation
Harker, David
Unknown Affiliation
Hoffmann, Lucia V.
Unknown Affiliation
Hovav, Ran
Unknown Affiliation
Jones, Donald C.
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Lemke, Cornelia
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Mansoor, Shahid
Unknown Affiliation
Rahman, Mehboob Ur
Unknown Affiliation
Rainville, Lisa N.
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Rambani, Aditi
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Reddy, Umesh
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Rong, Jun kang
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Saranga, Yehoshua
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Scheffler, Brian E.
Unknown Affiliation
Scheffler, Jodi A.
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Stelly, David M.
Unknown Affiliation
Triplett, Barbara A.
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van Deynze, Allen E.
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Vaslin, Maïté F.S.
Unknown Affiliation
Waghmare, V. N.
Unknown Affiliation
Walford, S. A.
Unknown Affiliation
Wright, Robert J.
Unknown Affiliation
Zaki, Essam A.
Unknown Affiliation
Zhang, Tianzhen
Unknown Affiliation
Dennis, Elizabeth S.
Unknown Affiliation
Mayer, Klaus F.X.
Unknown Affiliation
Peterson, Daniel G.
Unknown Affiliation
Rokhsar, Daniel S.
Unknown Affiliation
Wang, Xiyin
Unknown Affiliation
Schmutz, Jeremy
Unknown Affiliation
Statistics
Citations: 1,007
Authors: 74
Affiliations: 31
Identifiers
Doi:
10.1038/nature11798
ISSN:
00280836
e-ISSN:
14764687
Research Areas
Cancer
Genetics And Genomics
Study Approach
Quantitative