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

• Published in: Virusdisease Vol. 35; no. 3; pp. 484 - 495
• Main Authors: Prasad, K S Uday Durga, Kavya, S S, Sindhura, Kopparthi Amrutha Valli, Muttappagol, Mantesh, Kruthika, R, Basha, C. R. Jahir, Shankarappa, K. S., Venkataravanappa, V., Lakshminarayana Reddy, C. N.
• Format: Journal Article
• Language: English
• Published: New Delhi Springer India 01.09.2024; Springer Nature B.V
• Subjects: Asymptomatic; Begomovirus; Biochemistry; Biomedical and Life Sciences; Cell Biology; Cloning; Deoxyribonucleic acid; DNA; DNA polymerase; DNA viruses; Gene expression; Genomes; Genomic analysis; Host range; Kinases; Leaf-curl; Life Sciences; Microbiology; Muntingia calabura; Nucleotide sequence; Original Article; Outdoor air quality; Phylogenetics; Plant virus diseases; Plant viruses; Protein Structure; Proteins; Recombination; Satellites; Viral infections; Viruses; Jamaica; United States > US; India; Betasatellite; Recombination; Monopartite virus; Host-range studies; Geminiviridae
• ISSN: 2347-3584; 2347-3517
• DOI: 10.1007/s13337-024-00891-w

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.