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CHARACTERIZATION OF AN INDIAN ISOLATE OF COWPEA APHID-BORNE MOSAIC VIRUS

R. Mishra, R.K. Verma, R.K. Gaur

Abstract


Cowpea aphid-borne mosaic virus (CABMV) infects cowpea and some non-legume plant species (Chenopodium amaranticolor) worldwide, including India. The genome of CABMV RR4, an Indian viral isolate, consists of a positive-sense RNA molecule 9,159 nucleotide in size encoding a single polyprotein of 3,053 amino acids. The nucleotide sequence of CABMV RR4 genome showed the highest identity of 73% and 95% with CABMV-Z isolate from Zimbabwe at the nucleotide and polyprotein level, respectively. The phylogenetic analysis of CABMV RR4 showed the ancestry and evolutionary relationship with CABMV-Z and CABMV-A132 isolates.

Keywords


Potyvirus; Cowpea aphid-borne mosaic virus; complete sequence; polyprotein

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DOI: http://dx.doi.org/10.4454/JPP.V97I2.005

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EDIZIONI ETS, Pisa, Italy