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The genome sequence of segmental allotetraploid peanut Arachis hypogaea

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Relation http://oar.icrisat.org/11183/
https://doi.org/10.1038/s41588-019-0405-z
10.1038/s41588-019-0405-z
 
Title The genome sequence of segmental allotetraploid peanut Arachis hypogaea
 
Creator Bertioli, D J
Jenkins, J
Clevenger, J
Dudchenko, O
Gao, D
Seijo, G
Leal-Bertioli, S C M
Ren, L
Farmer, A D
Pandey, M K
Samoluk, S S
Abernathy, B
Agarwal, G
Ballén-Taborda, C
Cameron, C
Campbell, J
Chavarro, C
Chitikineni, A
Chu, Y
Dash, S
El Baidouri, M
Guo, B
Huang, W
Kim, K D
Korani, W
Lanciano, S
Lui, C G
Mirouze, M
Moretzsohn, M C
Pham, M
Shin, J H
Shirasawa, K
Sinharoy, S
Sreedasyam, A
Weeks, N
Zhang, X
Zheng, Z
Sun, Z
Froenicke, L
Aiden, E L
Michelmore, R
Varshney, R K
Holbrook, C C
Cannon, E K S
Scheffler, B E
Grimwood, J
Ozias-Akins, P
Cannon, S B
Jackson, S A
Schmutz, J
 
Subject Genetic Engineering
Groundnut
Genetics and Genomics
 
Description Like many other crops, the cultivated peanut (Arachis hypogaea L.) is of hybrid origin and has a polyploid genome that contains essentially complete sets of chromosomes from two ancestral species. Here we report the genome sequence of peanut and show that after its polyploid origin, the genome has evolved through mobile-element activity, deletions and by the flow of genetic information between corresponding ancestral chromosomes (that is, homeologous recombination). Uniformity of patterns of homeologous recombination at the ends of chromosomes favors a single origin for cultivated peanut and its wild counterpart A. monticola. However, through much of the genome, homeologous recombination has created diversity. Using new polyploid hybrids made from the ancestral species, we show how this can generate phenotypic changes such as spontaneous changes in the color of the flowers. We suggest that diversity generated by these genetic mechanisms helped to favor the domestication of the polyploid A. hypogaea over other diploid Arachis species cultivated by humans.
 
Publisher Springer Nature
 
Date 2019-05
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://oar.icrisat.org/11183/1/The%20genome%20sequence%20of%20segmental%20allotetraploid%20peanut%20Arachis%20hypogaea.pdf
Bertioli, D J and Jenkins, J and Clevenger, J and Dudchenko, O and Gao, D and Seijo, G and Leal-Bertioli, S C M and Ren, L and Farmer, A D and Pandey, M K and Samoluk, S S and Abernathy, B and Agarwal, G and Ballén-Taborda, C and Cameron, C and Campbell, J and Chavarro, C and Chitikineni, A and Chu, Y and Dash, S and El Baidouri, M and Guo, B and Huang, W and Kim, K D and Korani, W and Lanciano, S and Lui, C G and Mirouze, M and Moretzsohn, M C and Pham, M and Shin, J H and Shirasawa, K and Sinharoy, S and Sreedasyam, A and Weeks, N and Zhang, X and Zheng, Z and Sun, Z and Froenicke, L and Aiden, E L and Michelmore, R and Varshney, R K and Holbrook, C C and Cannon, E K S and Scheffler, B E and Grimwood, J and Ozias-Akins, P and Cannon, S B and Jackson, S A and Schmutz, J (2019) The genome sequence of segmental allotetraploid peanut Arachis hypogaea. Nature Genetics (TSI), 51 (5). pp. 877-884. ISSN 1061-4036