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dc.contributorCulbreath, Albert K.en_US
dc.contributorGuo, Baozhuen_US
dc.contributorHolbrook, C. Corleyen_US
dc.contributorWang, Huien_US
dc.contributorQiao, Lixianen_US
dc.contributorPandey, Manish Ken_US
dc.contributorBarkley, Noelleen_US
dc.contributorVarshney, Rajeeven_US
dc.contributorFeng, Supingen_US
dc.creatorKhera, Pawanen_US
dc.identifier.citationPawan Khera, Albert K. Culbreath, Baozhu Guo, C. Corley Holbrook, Hui Wang, Lixian Qiao, Manish K Pandey, Noelle Barkley, Rajeev Varshney, Suping Feng. (7/4/2015). Genetic mapping of QTLs controlling fatty acids provided insights into the genetic control of fatty acid synthesis pathway in peanut (Arachis hypogaea L. ). PLoS One, 10 (4).en_US
dc.description.abstractPeanut, a high-oil crop with about 50% oil content, is either crushed for oil or used as edible products. Fatty acid composition determines the oil quality which has high relevance to consumer health, flavor, and shelf life of commercial products. In addition to the major fatty acids, oleic acid (C18:1) and linoleic acid (C18:2) accounting for about 80% of peanut oil, the six other fatty acids namely palmitic acid (C16:0), stearic acid (C18:0), arachidic acid (C20:0), gadoleic acid (C20:1), behenic acid (C22:0), and lignoceric acid (C24:0) are accounted for the rest 20%. To determine the genetic basis and to improve further understanding on effect of FAD2 genes on these fatty acids, two recombinant inbred line (RIL) populations namely S-population (high oleic line 'SunOleic 97R' × low oleic line 'NC94022') and T-population (normal oleic line 'Tifrunner' × low oleic line 'GT-C20') were developed. Genetic maps with 206 and 378 marker loci for the S- and the T-population, respectively were used for quantitative trait locus (QTL) analysis. As a result, a total of 164 main-effect (M-QTLs) and 27 epistatic (E-QTLs) QTLs associated with the minor fatty acids were identified with 0.16% to 40.56% phenotypic variation explained (PVE). Thirty four major QTLs (>10% of PVE) mapped on five linkage groups and 28 clusters containing more than three QTLs were also identified. These results suggest that the major QTLs with large additive effects would play an important role in controlling composition of these minor fatty acids in addition to the oleic and linoleic acids in peanut oil. The interrelationship among these fatty acids should be considered while breeding for improved peanut genotypes with good oil quality and desired fatty acid composition.en_US
dc.publisherPublic Library of Scienceen_US
dc.sourcePLoS One;10,(2015)en_US
dc.subjectfatty aciden_US
dc.subjectgenetic mappingen_US
dc.titleGenetic mapping of QTLs controlling fatty acids provided insights into the genetic control of fatty acid synthesis pathway in peanut (Arachis hypogaea L.).en_US
dc.typeJournal Articleen_US
cg.creator.idPandey, Manish K: 0000-0002-4101-6530en_US
cg.subject.agrovocplant genetic resourcesen_US
cg.contributor.centerInternational Crops Research Institute for the Semi-Arid Tropics - ICRISATen_US
cg.contributor.centerUniversity of Georgia - UGAen_US
cg.contributor.centerUnited States Department of Agriculture, Agricultural Research Service - USDA-ARSen_US
cg.contributor.centerQingdao Agricultural University - QAUen_US
cg.contributor.centerHainan Tropical Ocean University (Qiongzhou University) - HTOU (QZU)en_US
cg.contributor.crpCGIAR Research Program on Grain Legumes - GLen_US
cg.contributor.funderNot Applicableen_US
cg.isijournalISI journalen_US
dc.identifier.statusOpen accessen_US
cg.journalPLoS Oneen_US

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