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  • Title: Construction of Agrobacterium tumefaciens-mediated tomato black ring virus infectious cDNA clones.
    Author: Zarzyńska-Nowak A, Ferriol I, Falk BW, Borodynko-Filas N, Hasiów-Jaroszewska B.
    Journal: Virus Res; 2017 Feb 15; 230():59-62. PubMed ID: 28109755.
    Abstract:
    Tomato black ring virus (TBRV, genus Nepovirus) infects a wide range of economically important plants such as tomato, potato, tobacco and cucumber. Here, a successful construction of infectious full-length cDNA clones of the TBRV genomic RNAs (RNA1 and RNA2) is reported for the first time. The engineered constructs consisting of PCR-amplified DNAs were cloned into binary vector pJL89 immediately downstream of a double cauliflower mosaic virus (CaMV) 35S promoter, and upstream of the hepatitis delta virus (HDV) ribozyme and nopaline synthase terminator (NOS). The symptoms induced on plants agroinoculated with both constructs were indistinguishable from those caused by the wild-type virus. The infectivity of obtained clones was verified by reinoculation to Nicotiana tabacum cv. Xanthi, Chenopodium quinoa and Cucumis sativus. The presence of viral particles and RNA was confirmed by electron microscopy and reverse transcription polymerase chain reaction, respectively. Constructed full-length infectious cDNA clones will serve as an excellent tool to study virus-host-vector interactions.
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