Subtype-specific sequence variation of the HIV type 1 long terminal repeat and primer-binding site

M. P. de Baar, A. de Ronde, B. Berkhout, M. Cornelissen, K. H. van der Horn, A. M. van der Schoot, F. de Wolf, V. V. Lukashov, J. Goudsmit

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Abstract

We studied sequence differences in regulatory elements of the long terminal repeat (LTR) and primer-binding site (PBS) among various human immunodeficiency virus type 1 (HIV-1) subtypes. Phylogenetic sequence analysis of a fragment of 729 base pairs (bp) covering the Gag-coding region for half of p24 and all of p17 revealed the gag subtype of all 60 viruses included in the study: A (n = 20), B (n = 12), C (n = 7), D (n = 10), E (n = 3), F (n = 4), G (n = 3), and H (n = 1). The subtype was also determined by analysis of a 689-bp fragment comprising the LTR and the PBS motif. Comparison of the LTR versus gag sequences showed a mosaic genome for seven isolates. After analysis of all sequences, we could describe subtype-specific differences in sequences encompassing the regulatory elements of the LTR and the PBS motif
Original languageEnglish
Pages (from-to)499-504
JournalAIDS Research and Human Retroviruses
Volume16
Issue number5
DOIs
Publication statusPublished - 2000

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