Rajeshwari, R., Reddy, R.V.C., Maruthi, M.N. ORCID: https://orcid.org/0000-0002-8060-866X, Colvin, J., Seal, S.E. ORCID: https://orcid.org/0000-0002-3952-1562 and Muniyappa, V. (2005) Host range, vector relationships and sequence comparison of a begomovirus infecting hibiscus in India. Annals of Applied Biology, 147 (1). pp. 15-25. ISSN 0003-4746 (doi:10.1111/j.1744-7348.2005.00005.x)

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Abstract

Hibiscus leaf curl disease (HLCuD) occurs widely in India. Infected hibiscus plants show vein thickening, upward curling of leaves and enations on the abaxial leaf surface, reduction in leaf size and stunting. The commonly occurring weeds (Ageratum conyzoides, Croton bonplandianum and Euphorbia geniculata), Nicotiana benthamiana, Nicotiana glutinosa and Nicotiana tabacum (var. Samsun, Xanthi), cotton and tomato were shown to be susceptible to HLCuD. One of the four species of hibiscus (Hibiscus rosa-sinensis) and 75 of the 101 commercial hybrids/varieties grown in the Bangalore area of southern India were also susceptible. Two virus isolates associated with HLCuD from Bangalore, South India (Ban), and Bhubaneswar, North India (Bhu), were detected serologically and by PCR-mediated amplification of virus genomes. The isolates were characterised by sequencing a fragment of DNA-A component (1288 nucleotides) and an associated satellite DNA molecule of 682 nucleotides. Phylogenetic analyses of these DNA-A sequences clustered them with Old World cotton-infecting begomoviruses and closest to Cotton leaf curl Multan virus (CLCuMV) at 95–97% DNA-A nucleotide identities. The 682-nucleotide satellite DNA molecules associated with the HLCuD samples Ban and Bhu shared 96.9% sequence identity with each other and maximum identity (93.1–93.9% over positions 158–682) with ;1350-nucleotide DNA-b satellite molecules associated with cotton leaf curl disease in Pakistan and India (accession nos AJ298903, AJ316038). HLCuD in India, therefore, appears to be associated with strains of CLCuMV, a cotton-infecting begomovirus from Pakistan, which is transmitted in a persistent manner by Bemisia tabaci

Item Type:	Article
Uncontrolled Keywords:	Begomovirus, Bemisia tabaci, ELISA, geminivirus, genome sequences, hibiscus, host range, India, PCR
Subjects:	S Agriculture > S Agriculture (General) S Agriculture > SB Plant culture
Faculty / School / Research Centre / Research Group:	Faculty of Engineering & Science > Natural Resources Institute Faculty of Engineering & Science > Natural Resources Institute > Agriculture, Health & Environment Department
Related URLs:	Publisher Publisher Organisation Organisation
Last Modified:	16 May 2016 11:46
URI:	http://gala.gre.ac.uk/id/eprint/3378

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