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  • Title: The nucleotide sequence of the S RNA of Impatiens necrotic spot virus, a novel tospovirus.
    Author: de Haan P, de Avila AC, Kormelink R, Westerbroek A, Gielen JJ, Peters D, Goldbach R.
    Journal: FEBS Lett; 1992 Jul 13; 306(1):27-32. PubMed ID: 1385787.
    Abstract:
    Impatiens necrotic spot virus (INSV) shares a number of properties with tomato spotted wilt virus (TSWV), the type species of the genus tospovirus within the family Bunyaviridae. INSV, however, differs from TSWV in plant host range and serology. In order to define the genomic structure and the taxonomic status of this TSWV-like virus, the nucleotide sequence of its genomic S RNA segment has been determined. The molecular data obtained demonstrate that, like TSWV, INSV has an ambisense S RNA molecule, encoding a non-structural protein in viral sense and the nucleocapsid protein in viral complementary sense. The level of nucleotide sequence homology between their S RNAs, as well as the divergence in amino acid sequence homology of their gene products, confirm previous conclusions from serological studies that INSV and TSWV represent distinct virus species within the newly created genus, tospovirus.
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