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Occurrence and molecular characterization of two potyviruses on basil (Ocimum basilicum) in Iran | ||
| Journal of Advances in Plant Protection | ||
| دوره 1، شماره 1، شهریور 2024، صفحه 41-50 اصل مقاله (972.44 K) | ||
| نوع مقاله: Original Article | ||
| شناسه دیجیتال (DOI): 10.22103/japp.2024.23517.1008 | ||
| نویسندگان | ||
| Mahbobeh Alikhani1؛ SeyyedehAtefeh Hosseini* 1؛ Faezehosadat Abtahi2؛ malik Navaz Shuja3 | ||
| 1University of Birjand | ||
| 2University of Arak | ||
| 3Kohat university of science and technology | ||
| چکیده | ||
| Potyviruses cause severe diseases in different crops around the world. During March and April 2018, 90 basil and 21 weed samples were collected from basil fields in the eastern provinces of Iran. The total RNA of samples was extracted, and RT-PCR was performed using degenerative primers of potyviruses. Sequence analysis showed that positive samples were most closely related to Turnip mosaic virus (TuMV) or Bean yellow mosaic virus (BCMV). Subsequently, specific primers of TuMV were used to amplify a 980 bp amplicon in a sample of Ocimum basilicum and Malva sylvestris. Furthermore, a 950 bp amplicon was also detected in six samples of O. basilicum when specific BYMV primers were used for the PCR assay. All amplified PCR products were cloned and sequenced. According to CP-based phylogenetic analysis, two Iranian isolates of TuMV were placed in the Asian BR group. Five Iranian isolates of BYMV were classified in the broad bean group, and another isolate was placed in the general group. The homology matrix also showed that an isolate from India had the least nucleotide identity (80%) with the Iranian isolate, while among the Iranian isolate, SIB9 was very close to the Japanese isolate (98%). According to recombination analysis, three Iranian isolates of BYMV were recombinant. Sequence analysis of the TuMV isolate (SIB1) showed that it shared 99% nucleotide identity with the Chinese isolate. This survey is the first report of two potyviruses, including TuMV and BYMV, infecting O. basilicum in Iran. | ||
| کلیدواژهها | ||
| Basil؛ Bean yellow mosaic virus؛ PCR؛ Potyvirus؛ Phylogeny؛ Turnip mosaic virus | ||
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آمار تعداد مشاهده مقاله: 164 تعداد دریافت فایل اصل مقاله: 109 |
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