GENOMIC VARIABILITY OF SELECTED LAV-RELATED AIDS RETROVIRUSES
- 1 February 1986
- journal article
- case report
- Published by Mary Ann Liebert Inc in AIDS Research
- Vol. 2 (1), 19-30
- https://doi.org/10.1089/aid.1.1986.2.19
Abstract
All AIDS retroviruses isolated from different patients have shown degrees of heterogeneity as defined by restriction fragment polymorphisms. Despite this variability, all these virus isolates share a number of structural features, including immunological cross-reactivity of virally encoded proteins. In this paper, we compare restriction patterns of integrated proviral DNA from viral isolates of patients belonging to different geographical groups, at risk or not for the disease. We confirm the existence of different clones in the same isolate of the Lymphadenopathy-associated virus (LAV) and of Human T lymphotropic virus (HTLV-III), which are identical. One of these forms is very similar to a Haitian isolate, as well as to an isolate from an early recognized New York case, suggesting a common origin for these viruses. More variation is apparent with Zairian viral isolates, and one of two clones found in a virus from a child who received an allogeneic bone marrow transplant. Greater disparity was also found in the restriction pattern of an isolate from an individual belonging to none of the so-called high-risk groups. We also show that this variation occurs mainly but not only in the env region of the genome, as previously described.Keywords
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