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SRI HENDRASTUTI HIDAYAT
Department of Plant Protection, Faculty of Agriculture, Institut Pertanian Bogor. Jl. Meranti, Kampus IPB Darmaga, Bogor 16680, West Java, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Characteristic of Tobacco mosaic virus isolated from cucumber and tobacco collected from East Java, Indonesia LISTIHANI; SRI HENDRASTUTI HIDAYAT; SURYO WIYONO; Tri Asmira Damayanti
Biodiversitas Journal of Biological Diversity Vol. 20 No. 10 (2019)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d201023

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Abstract. Listihani, Hidayat SH, Wiyono S, Damayanti TA. 2019. Characteristic of Tobacco mosaic virus isolated from cucumber and tobacco collected from East Java, Indonesia. Biodiversitas 20: 2937-2942. Tobacco mosaic virus (TMV) is a newly emerging virus infecting cucumbers in Java, Indonesia. The basic characters of the TMV isolated from cucumber need further study to investigate its differences with that from tobacco. Thus, the research aimed to study the character of both isolates based on their biological, symptomatology and nucleic acid of coat protein (CP) gene properties. The TMV isolates from both cucumber and tobacco were able to infect similar indicator plants with differing symptom expressions, especially on eggplant. Homology of nucleotide and amino acid of coat protein gene among isolates were about 90.3% and 91.0%, and homology to other isolates was about 87.6 to 93.8% and 89.3 to 96.8%, respectively. There were 17 amino acid differences in the CP gene which is presumed to differentiate those two isolates. Phylogenetic analysis CP gene sequences compared with corresponding isolates in GenBank showed the two isolates separated in different clades. The cucumber isolate from Kediri is closely related to tomato isolate from China in clade I, while tobacco isolate from Jember closely related to tobacco isolate from China in clade IIindicating the existence of two differ TMV variants. It will increase the difficulty to manage TMV in the fields.
Detection of major viruses infecting shallot and molecular characterization of Onion yellow dwarf virus from several locations in Indonesia Heri Harti; SRI HENDRASTUTI HIDAYAT; SOBIR; SURYO WIYONO
Biodiversitas Journal of Biological Diversity Vol. 21 No. 4 (2020)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d210451

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Abstract. Harti H, Hidayat SH, Sobir, Wiyono S. 2020. Detection of major viruses infecting shallot and molecular characterization of Onion yellow dwarf virus from several locations in Indonesia. Biodiversitas 21: 1697-1701. Research was conducted to identify main viruses infecting shallot in several regions in Indonesia and to further characterize genetic variation of Onion yellow dwarf virus (OYDV). Field survey was conducted in Central Java (Brebes), East Java (Probolinggo), West Sumatera (Alahan Panjang), West Nusa Tenggara (Bima), and South Sulawesi (Enrekang). Virus detection from field samples was conducted by dot immunobinding assay. This detection confirmed that infection of OYDV, Shallot yellow stunt virus (SYSV), Shallot latent virus (SLV), and Garlic common latent virus (GarCLV) has occurred in all field with incidence ranged from 20 to 93.5%, 2 to 93%, 21.5 to 80%, and 2 to 80.5%, respectively. The specific primers of Nib gene successfully amplified DNA fragments of OYDV from all locations. Sequencing of DNA fragments revealed that the amplified product was 351 bp. Sequence analysis indicated that the present OYDV isolates from Indonesia shared homology from 82 to 95%; and they had homology from 81 to 95% with OYDV isolates from other countries. The similarity of OYDV isolates from different geographical locations reflected the movements of seed bulbs among and within countries. The phylogenetic tree also revealed that OYDV isolates from different countries did not group together indicating their diverse origin.
Co-Authors Heri Harti LISTIHANI SOBIR SURYO WIYONO SURYO WIYONO Tri Asmira Damayanti