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Genome Sequence of Cultivated Groundnut Completed

Genome Sequence of Cultivated Groundnut Completed

March 6, 2016. The International Peanut Genome Initiative (IPGI), and researchers from the University of Georgia and the International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) completed the genomic sequence of Arachis hypogea (peanut). The genome sequences of Arachis duranensis and Arachis ipaensis, the diploid ancestors of cultivated peanut have been published online on the 22nd February in Nature Genetics by 38 authors under the leadership of David John Bertioli. They have shown that these genomes are similar to cultivated peanut’s A and B sub-genomes. They succeeded in identifying candidate disease resistance genes and detected genetic exchange between cultivated peanut’s sub-genomes. On the basis of remarkably high DNA identity of the A. ipaensis genome and the B subgenome of cultivated peanut and biogeographic evidence, they have concluded that A. ipaensis may be a direct descendant of the same population that contributed the B subgenome to cultivated peanut.

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