Draft genome of the peanut A-genome progenitor (Arachis duranensis) provides insights into geocarpy, oil biosynthesis, and allergens

X. Chen; H. Li; M.K. Pandey; Q. Yang; X. Wang; V. Garg; X. Chi; D. Doddamani; Y. Hong; H. Upadhyaya; H. Guo; A.W. Khan; F. Zhu; X. Zhang; L. Pan; G.J. Pierce; G. Zhou; K.A.V.S. Krishnamohan; M. Chen; N. Zhong; G. Agarwal; S. Li; A. Chitikineni; G-Q Zhang; S. Sharma; N. Chen; H. Liu; P. Janila; M. Wang; T. Wang; J. Sun; X. Li; C. Li; L. Yu; S. Wen; S. Singh; Z. Yang; J. Zhao; C. Zhang; Y. Yu; J. Bi; Z-J Liu; A.H. Paterson; S. Wang; X. Liang; R.K. Varshney; S. Yu

doi:10.1073/pnas.1600899113

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Draft genome of the peanut A-genome progenitor (Arachis duranensis) provides insights into geocarpy, oil biosynthesis, and allergens

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Draft genome of the peanut A-genome progenitor (Arachis duranensis) provides insights into geocarpy, oil biosynthesis, and allergens

X. Chen, H. Li, M.K. Pandey, Q. Yang, X. Wang, V. Garg, H. Li, X. Chi, D. Doddamani, Y. Hong, …

Proceedings of the National Academy of Sciences, Vol.113(24), pp.6785-6790

2016

DOI: https://doi.org/10.1073/pnas.1600899113

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Abstract

Peanut or groundnut (Arachis hypogaea L.), a legume of South American origin, has high seed oil content (45–56%) and is a staple crop in semiarid tropical and subtropical regions, partially because of drought tolerance conferred by its geocarpic reproductive strategy. We present a draft genome of the peanut A-genome progenitor, Arachis duranensis, and 50,324 protein-coding gene models. Patterns of gene duplication suggest the peanut lineage has been affected by at least three polyploidizations since the origin of eudicots. Resequencing of synthetic Arachis tetraploids reveals extensive gene conversion in only three seed-to-seed generations since their formation by human hands, indicating that this process begins virtually immediately following polyploid formation. Expansion of some specific gene families suggests roles in the unusual subterranean fructification of Arachis. For example, the S1Fa-like transcription factor family has 126 Arachis members, in contrast to no more than five members in other examined plant species, and is more highly expressed in roots and etiolated seedlings than green leaves. The A. duranensis genome provides a major source of candidate genes for fructification, oil biosynthesis, and allergens, expanding knowledge of understudied areas of plant biology and human health impacts of plants, informing peanut genetic improvement and aiding deeper sequencing of Arachis diversity.

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Title: Draft genome of the peanut A-genome progenitor (Arachis duranensis) provides insights into geocarpy, oil biosynthesis, and allergens
Authors/Creators: X. Chen (Author/Creator) - Crops Research Institute
H. Li (Author/Creator) - Shandong Shofine Seed Company, Jiaxiang 272400, China;
M.K. Pandey (Author/Creator) - International Crops Research Institute for the Semi-Arid Tropics
Q. Yang (Author/Creator) - Qingdao Agricultural University
X. Wang (Author/Creator) - Plant (United States)
V. Garg (Author/Creator)
H. Li (Author/Creator) - Shandong Shofine Seed Company, Jiaxiang 272400, China;
X. Chi (Author/Creator) - Shandong Academy of Agricultural Sciences
D. Doddamani (Author/Creator) - International Crops Research Institute for the Semi-Arid Tropics
Y. Hong (Author/Creator) - Crops Research Institute
H. Upadhyaya (Author/Creator) - International Crops Research Institute for the Semi-Arid Tropics
H. Guo (Author/Creator)
A.W. Khan (Author/Creator) - International Crops Research Institute for the Semi-Arid Tropics
F. Zhu (Author/Creator) - Crops Research Institute
X. Zhang (Author/Creator) - Crops Research Institute
L. Pan (Author/Creator) - Shandong Academy of Agricultural Sciences
G.J. Pierce (Author/Creator) - Plant (United States)
G. Zhou (Author/Creator) - Crops Research Institute
K.A.V.S. Krishnamohan (Author/Creator) - International Crops Research Institute for the Semi-Arid Tropics
M. Chen (Author/Creator) - Shandong Academy of Agricultural Sciences
N. Zhong (Author/Creator) - Crops Research Institute
G. Agarwal (Author/Creator) - International Crops Research Institute for the Semi-Arid Tropics
S. Li (Author/Creator) - International Crops Research Institute for the Semi-Arid Tropics
A. Chitikineni (Author/Creator) - International Crops Research Institute for the Semi-Arid Tropics
G-Q Zhang (Author/Creator) - Smithsonian Conservation Biology Institute
S. Sharma (Author/Creator) - International Crops Research Institute for the Semi-Arid Tropics
N. Chen (Author/Creator) - Shandong Academy of Agricultural Sciences
H. Liu (Author/Creator) - Crops Research Institute
P. Janila (Author/Creator) - International Crops Research Institute for the Semi-Arid Tropics
S. Li (Author/Creator) - International Crops Research Institute for the Semi-Arid Tropics
M. Wang (Author/Creator) - International Crops Research Institute for the Semi-Arid Tropics
T. Wang (Author/Creator) - Shandong Academy of Agricultural Sciences
J. Sun (Author/Creator) - Shandong Academy of Agricultural Sciences
X. Li (Author/Creator) - Crops Research Institute
C. Li (Author/Creator) - Shandong Shofine Seed Company, Jiaxiang 272400, China;
M. Wang (Author/Creator) - International Crops Research Institute for the Semi-Arid Tropics
L. Yu (Author/Creator) - Shandong Academy of Agricultural Sciences
S. Wen (Author/Creator) - Crops Research Institute
S. Singh (Author/Creator) - International Crops Research Institute for the Semi-Arid Tropics
Z. Yang (Author/Creator) - Shandong Academy of Agricultural Sciences
J. Zhao (Author/Creator) - Shandong Shofine Seed Company, Jiaxiang 272400, China;
C. Zhang (Author/Creator) - Shandong Academy of Agricultural Sciences
Y. Yu (Author/Creator) - Macrogen (South Korea)
J. Bi (Author/Creator) - Qingdao Agricultural University
X. Zhang (Author/Creator) - Crops Research Institute
Z-J Liu (Author/Creator) - Smithsonian Conservation Biology Institute
A.H. Paterson (Author/Creator) - Plant (United States)
S. Wang (Author/Creator) - Shandong Shofine Seed Company, Jiaxiang 272400, China; liuzj@sinicaorchid.org paterson@uga.edu wsp@shofine.com liang-804@163.com r.k.varshney@cgiar.org
X. Liang (Author/Creator) - Crops Research Institute
R.K. Varshney (Author/Creator) - International Crops Research Institute for the Semi-Arid Tropics
S. Yu (Author/Creator) - Shandong Academy of Agricultural Sciences
Publication Details: Proceedings of the National Academy of Sciences, Vol.113(24), pp.6785-6790
Publisher: National Academy of Sciences
Identifiers: 991005543243107891
Copyright: © 2016 National Academy of Science.
Murdoch Affiliation: Murdoch University; State Agricultural Biotechnology Centre; Centre for Crop and Food Innovation
Language: English
Resource Type: Journal article

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Collaboration types: Industry collaboration; Domestic collaboration; International collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.4 Crop Science; 3.4.96 QTL
Web Of Science research areas: Multidisciplinary Sciences
ESI research areas: Molecular Biology & Genetics