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Identification of candidate genes and natural allelic variants for QTLs governing plant height in chickpea

OAR@ICRISAT

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Relation http://oar.icrisat.org/9695/
http://dx.doi.org/10.1038/srep27968
10.1038/srep27968
 
Title Identification of candidate genes and natural allelic variants for QTLs governing plant height in chickpea
 
Creator Kujur, A
Upadhyaya, H D
Bajaj, D
Gowda, C L L
Sharma, S
Tyagi, A K
Parida, S K
 
Subject Chickpea
Genetics and Genomics
 
Description In the present study, molecular mapping of high-resolution plant height QTLs was performed by integrating 3625 desi genome-derived GBS (genotyping-by-sequencing)-SNPs on an ultra-high resolution intra-specific chickpea genetic linkage map (dwarf/semi-dwarf desi cv. ICC12299 x tall kabuli cv. ICC8261). The identified six major genomic regions harboring six robust QTLs (11.5–21.3 PVE), associated with plant height, were mapped within 5-fold) of five genes especially in shoot, young leaf, shoot apical meristem of tall mapping parental accession (ICC8261) as compared to that of dwarf/semi-dwarf parent (ICC12299) was apparent. Overall, combining high-resolution QTL mapping with genetic association analysis and differential expression profiling, delineated natural allelic variants in five candidate genes (encoding cytochrome-c-biosynthesis protein, malic oxidoreductase, NADH dehydrogenase iron-sulfur protein, expressed protein and bZIP transcription factor) regulating plant height in chickpea. These molecular tags have potential to dissect complex plant height trait and accelerate marker-assisted genetic enhancement for developing cultivars with desirable plant height ideotypes in chickpea.
 
Publisher Nature Publishing Group
 
Date 2016-06-20
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/9695/1/srep27968.pdf
Kujur, A and Upadhyaya, H D and Bajaj, D and Gowda, C L L and Sharma, S and Tyagi, A K and Parida, S K (2016) Identification of candidate genes and natural allelic variants for QTLs governing plant height in chickpea. Scientific Reports, 6 (27968). 01-09. ISSN 2045-2322