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The genome sequences of Arachis duranensis and Arachis ipaensis, the diploid ancestors of cultivated peanut

Open access
Bertioli, David John, Cannon, Steven B, Froenicke, Lutz, Huang, Guodong, Farmer, Andrew D, Cannon, Ethalinda K S, Liu, Xin, Gao, Dongying, Clevenger, Josh, Dash, Sudhansu, Ren, Longhui, Moretzsohn, Márcio C, Shirasawa, Kenta, Huang, Wei, Vidigal, Bruna, Abernathy, Brian, Chu, Ye, Niederhuth, Chad E, Umale, Pooja, Araújo, Ana Cláudia G, Kozik, Alexander, Do Kim, Kyung, Burow, Mark D, Varshney, Rajeev K, Wang, Xingjun, Zhang, Xinyou, Barkley, Noelle, Guimarães, Patrícia M, Isobe, Sachiko, Guo, Baozhu, Liao, Boshou, Stalker, H Thomas, Schmitz, Robert J, Scheffler, Brian E, Leal-Bertioli, Soraya C M, Xun, Xu, Jackson, Scott A, Michelmore, Richard, Ozias-Akins, Peggy·2016·Nature Genetics

Abstract

David Bertioli and colleagues report the genomes of Arachis duranensis and Arachis ipaensis, the diploid ancestors of cultivated peanut, Arachis hypogaea. Their analyses are a first step in understanding the evolution of the peanut's tetraploid genome. Cultivated peanut (Arachis hypogaea) is an allotetraploid with closely related subgenomes of a total size of ∼2.7 Gb. This makes the assembly of chromosomal pseudomolecules very challenging. As a foundation to understanding the genome of cultivated peanut, we report the genome sequences of its diploid ancestors (Arachis duranensis and Arachis ipaensis). We show that these genomes are similar to cultivated peanut's A and B subgenomes and use them to identify candidate disease resistance genes, to guide tetraploid transcript assemblies and to detect genetic exchange between cultivated peanut's subgenomes. On the basis of remarkably high DNA identity of the A. ipaensis genome and the B subgenome of cultivated peanut and biogeographic evidence, we conclude that A. ipaensis may be a direct descendant of the same population that contributed the B subgenome to cultivated peanut.

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Authors
Bertioli, D. J., Cannon, S. B., Froenicke, L., Huang, G., Farmer, A. D., Cannon, E. K. S., Liu, X., Gao, D., Clevenger, J., Dash, S., Ren, L., Moretzsohn, M. C., Shirasawa, K., Huang, W., Vidigal, B., Abernathy, B., Chu, Y., Niederhuth, C. E., Umale, P., Araújo, A. C. G., Kozik, A., Do Kim, K., Burow, M. D., Varshney, R. K., Wang, X., Zhang, X., Barkley, N., Guimarães, P. M., Isobe, S., Guo, B., Liao, B., Stalker, H. T., Schmitz, R. J., Scheffler, B. E., Leal-Bertioli, S. C. M., Xun, X., Jackson, S. A., Michelmore, R., & Ozias-Akins, P.
Venue
Nature Genetics
Published
2016-02-22
Volume
48
Issue
4
Pages
438-446
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W2273760207
Cited by
963
References
54
FWCI
105.82
Type
journal article
Language
en
Open access
hybrid

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Bertioli, D. J., Cannon, S. B., Froenicke, L., Huang, G., Farmer, A. D., Cannon, E. K. S., Liu, X., Gao, D., Clevenger, J., Dash, S., Ren, L., Moretzsohn, M. C., Shirasawa, K., Huang, W., Vidigal, B., Abernathy, B., Chu, Y., Niederhuth, C. E., Umale, P., . . . Ozias-Akins, P. (2016). The genome sequences of Arachis duranensis and Arachis ipaensis, the diploid ancestors of cultivated peanut. Nature Genetics. https://doi.org/10.1038/ng.3517

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