Understanding the Origin of Peanut: A Next Generation Sequencing Approach

SAMOLUK, S; BALLÉN-TABORDA C; CHAVARRO C; SORAYA LEAL-BERTIOLI; SEIJO J G; JACKSON S; BERTIOLI, D.J

Conferencia; XXIV Plant and Animal Genome Conference; 2016

hepeanut(Arachishypogaea)iswidelyusedasasourceofproteinandoilandiscultivatedworldwideintropics,subtropicsandinwarmerareasoftemperateregions.Itisanallotetraploidspecies(2n=4x=40)ofrecentoriginwithanAABBgenomeconstitution.CytogeneticandmolecularevidencesuggeststhatA.duranensis(A-genome)andA.ipaensis(B-genome)arethewilddiploidspecies(2n=2x=20)mostlikelyinvolvedintheoriginofthecultigen.Todate,onlyoneaccessionofA.ipaensisK30076hasbeenfoundandisthereforeconsideredtobethedonoroftheBgenomeinpeanut.Incontrast,therearemanydifferentaccessionsofA.duranensisthatarepossibledonorsoftheAgenome.Inthiscontext,wepresentaNextGenerationSequencingapproachinordertoidentifytheA.duranensisaccessionmostcloselyrelatedtothatinvolvedinthepeanutorigin.