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Genetic Dissection of Drought and Heat Tolerance in Chickpea through Genome-Wide and Candidate Gene-Based Association Mapping Approaches

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Relation http://oar.icrisat.org/7995/
http://dx.doi.org/10.1371/journal.pone.0096758
 
Title Genetic Dissection of Drought and Heat Tolerance in Chickpea through Genome-Wide and Candidate Gene-Based Association Mapping Approaches
 
Creator Thudi, M
Upadhyaya, H D
Rathore, A
Gaur, P M
Krishnamurthy, L
Roorkiwal, M
Nayak, S N
Chaturvedi, S K
Basu, P S
Ganga Rao, N V P R
Fikre, A
Kimurto, P
Sharma, P C
Sheshashayee, M S
Tobita, S
Kashiwagi, J
Ito, O
Killian, A
Varshney, R K
 
Subject Chickpea
Genetics and Genomics
 
Description To understand the genetic basis of tolerance to drought and heat stresses in chickpea, a comprehensive association mapping approach has been undertaken. Phenotypic data were generated on the reference set (300 accessions, including 211 mini-core collection accessions) for drought tolerance related root traits, heat tolerance, yield and yield component traits from 1–7 seasons and 1–3 locations in India (Patancheru, Kanpur, Bangalore) and three locations in Africa (Nairobi, Egerton in Kenya and Debre Zeit in Ethiopia). Diversity Array Technology (DArT) markers equally distributed across chickpea genome were used to determine population structure and three sub-populations were identified using admixture model in STRUCTURE. The pairwise linkage disequilibrium (LD) estimated using the squared-allele frequency correlations (r2; when r2
 
Publisher Public Library Science
 
Date 2014
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/7995/1/PLoS-one_9_5_1-12_2014.pdf
Thudi, M and Upadhyaya, H D and Rathore, A and Gaur, P M and Krishnamurthy, L and Roorkiwal, M and Nayak, S N and Chaturvedi, S K and Basu, P S and Ganga Rao, N V P R and Fikre, A and Kimurto, P and Sharma, P C and Sheshashayee, M S and Tobita, S and Kashiwagi, J and Ito, O and Killian, A and Varshney, R K (2014) Genetic Dissection of Drought and Heat Tolerance in Chickpea through Genome-Wide and Candidate Gene-Based Association Mapping Approaches. PLoS ONE, 9 (5). e96758. ISSN 1932-6203