OAR@ICRISATMitochondrial SSRs and their utility in distinguishing wild species, CMS lines and maintainer lines in pigeonpea (Cajanus cajan L.)PKheraauthorR KSaxenaauthorC VSameer KumarauthorK BSaxenaauthorR KVarshneyauthorAnalysis of the pigeonpea mitochondrial genome sequence identified 25 SSRs. Mononucleotide SSR motifs were the most abundant repeats followed by dinucleotide and trinucleotide repeats. Primer pairs could be designed for 24 SSRs, 23 of which were polymorphic amongst the 22 genotypes consisting of cytoplasmic male sterile (CMS or A) line, maintainer or B line and wild Cajanus species representing six different CMS systemsviz.,A1,A2,A 4,A5,A6 andA8. These markers amplified a total of 107 alleles ranging from 2 to 10 with an average of 4.65 alleles per locus. The polymorphic information content for these markers ranged from 0.09 to 0.84 with an average of 0.52 per marker. Hence, the present study adds a novel set of 24 mitochondrial SSR markers to the markers repository in pigeonpea, which would be useful to distinguish the genotypes based on mitochondrial genome types in evolutionary and phylogenetic studies.Pigeonpea2015-07-07Springer NetherlandsArticle

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