TY - JOUR T1 - Molecular breeding for introgression of fatty acid desaturase mutant alleles (ahFAD2A and ahFAD2B) enhances oil quality in high and low oil containing peanut genotypes. AU - Janila,Pasupuleti, AU - Pandey,Manish K, AU - Shasidhar,Yaduru, AU - Variath,Murali T, AU - Sriswathi,Manda, AU - Khera,Pawan, AU - Manohar,Surendra S, AU - Nagesh,Patne, AU - Vishwakarma,Manish K, AU - Mishra,Gyan P, AU - Radhakrishnan,T, AU - Manivannan,N, AU - Dobariya,K L, AU - Vasanthi,R P, AU - Varshney,Rajeev K, Y1 - 2015/08/28/ PY - 2015/04/29/received PY - 2015/08/15/revised PY - 2015/08/22/accepted PY - 2015/11/15/entrez PY - 2015/11/15/pubmed PY - 2016/9/2/medline KW - Marker-assisted backcrossing KW - Marker-assisted selection KW - Oil content KW - Oil quality KW - Oleic acid KW - Peanut SP - 203 EP - 213 JF - Plant science : an international journal of experimental plant biology JO - Plant Sci VL - 242 N2 - High oleate peanuts have two marketable benefits, health benefits to consumers and extended shelf life of peanut products. Two mutant alleles present on linkage group a09 (ahFAD2A) and b09 (ahFAD2B) control composition of three major fatty acids, oleic, linoleic and palmitic acids which together determine peanut oil quality. In conventional breeding, selection for fatty acid composition is delayed to advanced generations. However by using DNA markers, breeders can reject large number of plants in early generations and therefore can optimize time and resources. Here, two approaches of molecular breeding namely marker-assisted backcrossing (MABC) and marker-assisted selection (MAS) were employed to transfer two FAD2 mutant alleles from SunOleic 95R into the genetic background of ICGV 06110, ICGV 06142 and ICGV 06420. In summary, 82 MABC and 387 MAS derived introgression lines (ILs) were developed using DNA markers with elevated oleic acid varying from 62 to 83%. Oleic acid increased by 0.5-1.1 folds, with concomitant reduction of linoleic acid by 0.4-1.0 folds and palmitic acid by 0.1-0.6 folds among ILs compared to recurrent parents. Finally, high oleate ILs, 27 with high oil (53-58%), and 28 ILs with low oil content (42-50%) were selected that may be released for cultivation upon further evaluation. SN - 1873-2259 UR - https://www.unboundmedicine.com/medline/citation/26566838/Molecular_breeding_for_introgression_of_fatty_acid_desaturase_mutant_alleles__ahFAD2A_and_ahFAD2B__enhances_oil_quality_in_high_and_low_oil_containing_peanut_genotypes_ DB - PRIME DP - Unbound Medicine ER -