Molecular diversity of the plasmid genotypes among Rhizobium gene pools of sesbanias from different habitats of a semi-arid region (Delhi).

Abstract excerpt

Plasmid genotypes of root nodulating rhizobial isolates of Sesbania, sampled from six ecologically distinct habitats, were characterized. Plasmid profile analysis revealed nine different plasmid types having molecular masses ranging from 30 to 300 MDa, distributed among six profile types that grouped the isolates into six plasmid classes. The six plasmid profiles were diverged from each other and lack many common...

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