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Al-Shudifat, Anas Mohammed; Al-Shahwan, Ibrahim Mohammed; Al-Saleh, Mohammad Ali; Abdalla, Omer Ahmed; Amer, Mahmoud Ahmed
Al-Mi’galaẗ al-sa'udiyaẗ lī-ulum al-ḥayaẗ, 04/2021, Letnik: 28, Številka: 4Journal Article
A survey was conducted in Al-Kharj governorate, Riyadh region to identify viruses causing variety of virus-like symptoms on tomato plants. A total of 135 samples were collected from symptomatic tomato plants. Symptoms included mottling, deformation, necrosis of leaves and fruits. Eighteen viruses were tested by DAS-ELISA. Tomato black ring virus (TBRV) was the virus of concern as it was not detected in Saudi Arabia before and was detected in 52.6% of the collected samples in this study. RT-PCR was used to confirm detection of TBRV and to sequence the amplified products to determine molecular characteristics of this virus. In the host range test study that was performed using a purified isolate of TBRV, sixteen out of the twenty two tested plants showed symptoms. Brassica oleracea was not infected by this virus. Gel electrophoreses (2% agarose) yielded fragments of 978 bp of coat protein gene of TBRV. Nucleotide sequences of purified RT-PCR products for three TBRV Saudi isolates were deposited in the GenBank with the following accession numbers MT274656, MT274657, and MT274658. These isolates of TBRV indicated a close Phylogenetic relationship of (99–100%) among themselves and with five isolates from Poland (95–98%) but a distant relationship of 85% with isolates from England and Lithuania deposited in the GenBank. This is the first report for detection and molecular characterization of TBRV infecting tomato plants in Saudi Arabia.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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