Comparative Genomic Studies in Leguminous Species

Comparative Genomics is relatively a new discipline of Genetics, which deals with the relationshipsbetween the genomes of genera, species, varieties or strains. For elaborating comparative genomics of legumes;fourteen accessions belonging to seven species viz; Vigna radiate, Vigna mungo, Vicia ervilia, Vicia faba,Phaseolus vulgaris, Cicer arietinum and Lens culinaris, were analyzed using Randomly AmplifiedPolymorphic DNA (RAPD). Alleles of various sizes ranging from 500-1400 bp were amplified. On an average3.5 allele per genotype were amplified. The average genetic distance ranged from 4-91%. Phylogeneticrelationship among the legumes based upon DNA analysis was studied through dendrogram analysis. All theaccessions were clustered in 6 groups. It was found that Vigna radiata and Vigna mungo accessions were mostdistantly related to each other.