Molecular characterization of begomovirus and DNA satellites associated with mosaic and leaf curl disease of Jamaica cherry (Muntingia calabura) in India: Uncovering a new host for chilli leaf curl India virus

被引：0

作者：

K S Uday Durga Prasad ^{[1
]}

S S Kavya ^{[1
]}

Kopparthi Amrutha Valli Sindhura ^{[2
]}

Mantesh Muttappagol ^{[1
]}

R Kruthika ^{[1
]}

C. R. Jahir Basha ^{[1
]}

K. S. Shankarappa ^{[3
]}

V. Venkataravanappa ^{[4
]}

C. N. Lakshminarayana Reddy ^{[1
]}

机构：

[1] Department of Plant Pathology, College of Agriculture, University of Agricultural Sciences, GKVK, Karnataka, Bangalore

[2] Department of Agricultural Entomology, College of Agriculture, University of Agricultural Sciences, GKVK, Karnataka, Bangalore

[3] Department of Plant Pathology, College of Horticulture, University of Horticultural Sciences, Karnataka, Bagalkot, Bengaluru

[4] Division of Plant Protection, ICAR-Indian Institute of Horticultural Research, Hessaraghatta Lake PO, Karnataka, Bangalore

来源：

VirusDisease | 2024年 / 35卷 / 3期

关键词：

Betasatellite; Geminiviridae; Host-range studies; Monopartite virus; Recombination;

D O I：

10.1007/s13337-024-00891-w

中图分类号：

学科分类号：

摘要：

Begomoviruses, member of the Geminiviridae family, are responsible for significant economic losses in crops worldwide. Chilli leaf curl India virus (ChiLCINV) is a well-known begomovirus that causes leaf curl disease, primarily affecting plants in the Solanaceae family. In this study, sample from a Jamaica cherry (Muntingia calabura) tree showing typical begomovirus symptoms of mosaic and leaf curling was collected from Nagavara village in the Bengaluru Rural district of Karnataka State, India. The collected sample was designated as the MUT-1 isolate. The association of the begomovirus (DNA-A) and betasatellites with the sample was confirmed by PCR using begomovirus-specific primers, resulting in the expected amplicons of approximately 1.2 kb and 1.3 kb, respectively. No amplification was obtained for DNA-B and alphasatellite specific primers. The complete genome sequence of DNA-A of begomovirus isolate MUT-1 was obtained through rolling circle amplification and compared with other begomoviruses using Sequence Demarcation Tool which revealed that, DNA-A of MUT-1 isolate, (Acc.No. PP475538) showed maximum nucleotide (nt) identity of 98.7–99.4% with chilli leaf curl India virus. Further, sequence of betasattelite (Acc.No. PP493212) of this isolate shared maximum nt identity of 86.5–100% with tomato leaf curl Bangladesh betasatellite (ToLCBDB). Recombination and GC plot analysis showed that the presence of two and three intraspecific recombination event in DNA-A and betasatellite genomic regions, respectively and are derived from the previously reported begomoviruses. This study presents one more evidence of expanding host range for begomoviruses and first record of begomovirus associated with mosaic and leaf curl disease of Jamaica cherry (M. calabura) from India. © The Author(s), under exclusive licence to Indian Virological Society 2024.

引用

页码：484 / 495

页数：11

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