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  • Title: Human T-cell leukemia virus type I isolates from Gabon and Ghana: comparative analysis of proviral genomes.
    Author: Fukasawa M, Tsujimoto H, Ishikawa K, Miura T, Ivanoff B, Cooper RW, Frost E, Delaporte E, Mingle JA, Grant FC.
    Journal: Virology; 1987 Dec; 161(2):315-20. PubMed ID: 2825405.
    Abstract:
    Two isolates of human T-cell leukemia virus type I (HTLV-I) were obtained from lymphocyte cultures of a healthy carrier in Gabon and another in Ghana. Their proviruses were analyzed by Southern blot hybridization and compared with prototypical HTLV-I isolated in Japan and the United States. The provirus genomes of both strains were highly homologous to the prototype HTLV-I along the whole viral genome. The restriction endonuclease sites of the Ghanian isolate were almost identical with those of the prototype HTLV-I, but 10 of 26 sites of the Gabonese isolate were different from those of the prototype. Furthermore, the restriction map of the Gabonese isolate resembled those of a simian T-cell leukemia virus (STLV-I) isolated from a chimpanzee from Sierra Leone and a variant of HTLV-I from Zaire (HTLV-Ib) more closely than those of any other known HTLV-I. These results indicated the existence of some unique strains of HTLV-I transmitted among African people, and the importance of clarifying the origin and transmission of HTLV group viruses.
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