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The genome of cultivated peanut provides insight into legume karyotypes, polyploid evolution and crop domestication

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Relation http://oar.icrisat.org/11189/
https://doi.org/10.1038/s41588-019-0402-2
10.1038/s41588-019-0402-2
 
Title The genome of cultivated peanut provides insight into legume karyotypes, polyploid evolution and crop domestication
 
Creator Zhuang, W
Chen, H
Yang, M
Wang, J
Pandey, M K
Zhang, C
Chang, W C
Zhang, L
Zhang, X
Tang, R
Garg, V
Wang, X
Tang, H
Chow, G N
Wang, J
Deng, Y
Wang, D
Khan, A W
Yang, Q
Cai, T
Bajaj, P
Wu, K
Guo, B
Zhang, X
Li, J
Liang, F
Hu, J
Liao, B
Liu, S
Chitikineni, A
Yan, H
Zheng, Y
Shan, S
Liu, Q
Xie, D
Wang, Z
Khan, S A
Ali, N
Zhao, C
Li, X
Luo, Z
Zhang, S
Zhuang, R
Peng, Z
Wang, S
Mamadou, G
Zhuang, Y
Zhao, Z
Yu, W
Xiong, F
Quan, W
Yuan, M
Li, Y
Zou, H
Xia, H
Zha, Li
Fan, J
Yu, J
Xie, W
Yuan, J
Chen, K
Zhao, S
Chu, W
Chen, Y
Sun, P
Meng, F
Zhuo, T
Zhao, Y
Li, C
He, G
Zhao, Y
Wang, C
Kavi Kishor, P B
Pan, R L
Paterson, A H
Wang, X
Ming, R
Varshney, R K
 
Subject Crop Improvement
Genetic Engineering
Groundnut
Oilseeds
Genetics and Genomics
Legume Crops
 
Description High oil and protein content make tetraploid peanut a leading oil and food legume. Here we report a high-quality peanut genome sequence, comprising 2.54 Gb with 20 pseudomolecules and 83,709 protein-coding gene models. We characterize gene functional groups implicated in seed size evolution, seed oil content, disease resistance and symbiotic nitrogen fixation. The peanut B subgenome has more genes and general expression dominance, temporally associated with long-terminal-repeat expansion in the A subgenome that also raises questions about the A-genome progenitor. The polyploid genome provided insights into the evolution of Arachis hypogaea and other legume chromosomes. Resequencing of 52 accessions suggests that independent domestications formed peanut ecotypes. Whereas 0.42–0.47 million years ago (Ma) polyploidy constrained genetic variation, the peanut genome sequence aids mapping and candidate-gene discovery for traits such as seed size and color, foliar disease resistance and others, also providing a cornerstone for functional genomics and peanut improvement.
 
Publisher Nature Publishing Group
 
Date 2019-05
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://oar.icrisat.org/11189/1/The%20genome%20of%20cultivated%20peanut%20provides%20insight%20into%20legume%20karyotypes%2C%20polyploid%20evolution%20and%20crop%20domestication.pdf
Zhuang, W and Chen, H and Yang, M and Wang, J and Pandey, M K and Zhang, C and Chang, W C and Zhang, L and Zhang, X and Tang, R and Garg, V and Wang, X and Tang, H and Chow, G N and Wang, J and Deng, Y and Wang, D and Khan, A W and Yang, Q and Cai, T and Bajaj, P and Wu, K and Guo, B and Zhang, X and Li, J and Liang, F and Hu, J and Liao, B and Liu, S and Chitikineni, A and Yan, H and Zheng, Y and Shan, S and Liu, Q and Xie, D and Wang, Z and Khan, S A and Ali, N and Zhao, C and Li, X and Luo, Z and Zhang, S and Zhuang, R and Peng, Z and Wang, S and Mamadou, G and Zhuang, Y and Zhao, Z and Yu, W and Xiong, F and Quan, W and Yuan, M and Li, Y and Zou, H and Xia, H and Zha, Li and Fan, J and Yu, J and Xie, W and Yuan, J and Chen, K and Zhao, S and Chu, W and Chen, Y and Sun, P and Meng, F and Zhuo, T and Zhao, Y and Li, C and He, G and Zhao, Y and Wang, C and Kavi Kishor, P B and Pan, R L and Paterson, A H and Wang, X and Ming, R and Varshney, R K (2019) The genome of cultivated peanut provides insight into legume karyotypes, polyploid evolution and crop domestication. Nature Genetics (TSI), 51 (5). pp. 865-876. ISSN 1061-4036