Identification of candidate genes and natural allelic variants for QTLs governing plant height in chickpea
2016
c. l. l. gowda | swarup k. parida | hari d. upadhyaya | alice kujur | shivali sharma | akhilesh k. tyagi | deepak bajaj
Alice Kujur et al., 'Identification of candidate genes and natural allelic variants for QTLs governing plant height in chickpea', Scientific Reports, vol. 6(1), pp.01-09, Springer Nature, 2016
Show more [+] Less [-]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
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