An unusual HIV type 1 env sequence embedded in a mosaic virus from cameroon

Identification of a new env clade

P. Roques, E. Menu, R. Narwa, G. Scarlatti, E. Tresoldi, F. Damond, P. Mauclère, D. Dormont, G. Chaouat, F. Simon, F. Barré-Sinoussi

Research output: Contribution to journalArticle

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Abstract

An atypical HIV-1 strain (CAM001) was identified in a pregnant Cameroonian woman in 1995. HMA subtyping of the env region was unsuccessful, and sequence analyses were performed. Unique sequence motifs were found at the V3 tip (GAGRALHA and GAGRAWIHA), and phylogenetic studies showed that the env C2-V5 sequence branched within group M but remained distinct from all known HIV-1 subtypes, while p17 gag branched with the subtype F sequences. Four other HIV group M viruses, undetermined by HMA, of African origin were found to cluster with CAM001 in the C2-V5 sequences. With the BLAST method, we found in databases three strains whose V3 sequences also clustered with CAM001. These unusual env sequences from eight HIV-1 strains derived from Cameroon formed a separate cluster in HIV-1 group M, which we designated k.

Original languageEnglish
Pages (from-to)1585-1589
Number of pages5
JournalAIDS Research and Human Retroviruses
Volume15
Issue number17
DOIs
Publication statusPublished - Nov 20 1999

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Mosaic Viruses
Cameroon
HIV-1
Sequence Analysis
Pregnant Women
HIV
Databases
Viruses

ASJC Scopus subject areas

  • Immunology
  • Virology

Cite this

An unusual HIV type 1 env sequence embedded in a mosaic virus from cameroon : Identification of a new env clade. / Roques, P.; Menu, E.; Narwa, R.; Scarlatti, G.; Tresoldi, E.; Damond, F.; Mauclère, P.; Dormont, D.; Chaouat, G.; Simon, F.; Barré-Sinoussi, F.

In: AIDS Research and Human Retroviruses, Vol. 15, No. 17, 20.11.1999, p. 1585-1589.

Research output: Contribution to journalArticle

Roques, P, Menu, E, Narwa, R, Scarlatti, G, Tresoldi, E, Damond, F, Mauclère, P, Dormont, D, Chaouat, G, Simon, F & Barré-Sinoussi, F 1999, 'An unusual HIV type 1 env sequence embedded in a mosaic virus from cameroon: Identification of a new env clade', AIDS Research and Human Retroviruses, vol. 15, no. 17, pp. 1585-1589. https://doi.org/10.1089/088922299309883
Roques, P. ; Menu, E. ; Narwa, R. ; Scarlatti, G. ; Tresoldi, E. ; Damond, F. ; Mauclère, P. ; Dormont, D. ; Chaouat, G. ; Simon, F. ; Barré-Sinoussi, F. / An unusual HIV type 1 env sequence embedded in a mosaic virus from cameroon : Identification of a new env clade. In: AIDS Research and Human Retroviruses. 1999 ; Vol. 15, No. 17. pp. 1585-1589.
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