Isolation and characterization of a highly divergent HIV-2[GH-2]: Generation of an infectious molecular clone and functional analysis of its rev-responsive element in response to primate retrovirus transactivators (rev and rex)
Identifieur interne : 001462 ( Main/Exploration ); précédent : 001461; suivant : 001463Isolation and characterization of a highly divergent HIV-2[GH-2]: Generation of an infectious molecular clone and functional analysis of its rev-responsive element in response to primate retrovirus transactivators (rev and rex)
Auteurs : Meiko Kawamura [Japon] ; Jun Katahira [Japon] ; Masashi Fukasawa [Japon] ; Jun-Ichi Sakuragi [Japon] ; Koh-Ichi Ishikawa [Japon] ; Masuyo Nakai [Japon] ; Julius A. A. Mingle [Ghana] ; Mubarak Osei-Kwasi [Ghana] ; Victor B. A. Netty [Ghana] ; Hirofumi Akari [Japon] ; Osamu Hishida [Japon] ; Keizo Tomonaga [Japon] ; Tomoyuki Miura [Japon] ; Masanori Hayami [Japon]Source :
- Virology [ 0042-6822 ] ; 1992.
Descripteurs français
- KwdFr :
- ADN viral (génétique), Cartographie de restriction, Clonage moléculaire, Gènes pX, Gènes rev, Régulation de l'expression des gènes viraux, Répétition terminale longue du VIH, Similitude de séquences d'acides nucléiques, VIH-2 (Virus de l'Immunodéficience Humaine de type 2) (génétique), Variation génétique.
- MESH :
- Pascal (Inist)
- Wicri :
- topic : Prototype.
English descriptors
- KwdEn :
- Binding sites, Clone, Cloning, Molecular, DNA, Viral (genetics), Effector plasmid, Gene Expression Regulation, Viral, Genes, pX, Genes, rev, Genetic Variation, HIV Long Terminal Repeat, HIV-2 (genetics), HIV-2 virus, Hayami, Kyoto university, LTR sequence, Molecular clone, Nucleotide sequence, Plasmid, Prototype, Proviral structure, Replication capacity, Restriction Mapping, Restriction map, Sakai, Sequence Homology, Nucleic Acid, Sequence data, Sequence database, Sequence diversity, Variant, Viral, Virus research.
- MESH :
- chemical , genetics : DNA, Viral.
- genetics : HIV-2.
- Cloning, Molecular, Gene Expression Regulation, Viral, Genes, pX, Genes, rev, Genetic Variation, HIV Long Terminal Repeat, Restriction Mapping, Sequence Homology, Nucleic Acid.
- Teeft :
Abstract
A highly divergent HIV-2 designated as HIV-2[GH-2] was obtained from an AIDS-related complex (ARC) patient in Ghana. A full-length molecular clone of this isolate was obtained and a biologically active clone was constructed. Its restriction pattern differed from that of prototype HIV-2[GH-1 ] in 25 of 35 restriction sites, but was strikingly similarto a previously characterized HIV-2 isolate from a Ghanaian (HIV-2ALT). The conserved integrase region (288-bp fragment) previously displayed 95% identity with that of ALT but 17–20% divergence from the HIV-2 prototype member, and a new distinct subgroup (HIV-2b) of HIV-2 consisting of GH-2 and ALT was postulated (Miura et al. 1991.) These isolates, however, were biologically distinguishable from each other by its replication capacity in a monocyte line, U937, in which GH-2 could not grow but ALT grew well. In addition, the nucleotide sequence of the LTR of this new isolate displays 21% divergence from that of prototype HIV-2[GH-1], but the core enhancer, Spl binding sites and TATA box were conserved. Although the 3' half of the env gene sequence which is deleted in HIV-2ALT clone showed 27% diversity from the prototype, functional differences in the rev-responsive element were not observed.
Url:
DOI: 10.1016/0042-6822(92)90540-6
Affiliations:
- Ghana, Japon
- Région de Kantō, Région du Grand Accra, Région du Kansai
- Accra, Kyoto, Tokyo
- Université de Kyoto, Université du Ghana
Links toward previous steps (curation, corpus...)
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Le document en format XML
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<author><name sortKey="Tomonaga, Keizo" sort="Tomonaga, Keizo" uniqKey="Tomonaga K" first="Keizo" last="Tomonaga">Keizo Tomonaga</name>
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<author><name sortKey="Miura, Tomoyuki" sort="Miura, Tomoyuki" uniqKey="Miura T" first="Tomoyuki" last="Miura">Tomoyuki Miura</name>
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<author><name sortKey="Hayami, Masanori" sort="Hayami, Masanori" uniqKey="Hayami M" first="Masanori" last="Hayami">Masanori Hayami</name>
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<series><title level="j">Virology</title>
<title level="j" type="abbrev">YVIRO</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Binding sites</term>
<term>Clone</term>
<term>Cloning, Molecular</term>
<term>DNA, Viral (genetics)</term>
<term>Effector plasmid</term>
<term>Gene Expression Regulation, Viral</term>
<term>Genes, pX</term>
<term>Genes, rev</term>
<term>Genetic Variation</term>
<term>HIV Long Terminal Repeat</term>
<term>HIV-2 (genetics)</term>
<term>HIV-2 virus</term>
<term>Hayami</term>
<term>Kyoto university</term>
<term>LTR sequence</term>
<term>Molecular clone</term>
<term>Nucleotide sequence</term>
<term>Plasmid</term>
<term>Prototype</term>
<term>Proviral structure</term>
<term>Replication capacity</term>
<term>Restriction Mapping</term>
<term>Restriction map</term>
<term>Sakai</term>
<term>Sequence Homology, Nucleic Acid</term>
<term>Sequence data</term>
<term>Sequence database</term>
<term>Sequence diversity</term>
<term>Variant</term>
<term>Viral</term>
<term>Virus research</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>ADN viral (génétique)</term>
<term>Cartographie de restriction</term>
<term>Clonage moléculaire</term>
<term>Gènes pX</term>
<term>Gènes rev</term>
<term>Régulation de l'expression des gènes viraux</term>
<term>Répétition terminale longue du VIH</term>
<term>Similitude de séquences d'acides nucléiques</term>
<term>VIH-2 (Virus de l'Immunodéficience Humaine de type 2) (génétique)</term>
<term>Variation génétique</term>
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<term>VIH-2 (Virus de l'Immunodéficience Humaine de type 2)</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Cloning, Molecular</term>
<term>Gene Expression Regulation, Viral</term>
<term>Genes, pX</term>
<term>Genes, rev</term>
<term>Genetic Variation</term>
<term>HIV Long Terminal Repeat</term>
<term>Restriction Mapping</term>
<term>Sequence Homology, Nucleic Acid</term>
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<term>Clone</term>
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<term>Gènes rev</term>
<term>Régulation de l'expression des gènes viraux</term>
<term>Répétition terminale longue du VIH</term>
<term>Similitude de séquences d'acides nucléiques</term>
<term>Séquence LTR</term>
<term>Variant</term>
<term>Variation génétique</term>
<term>Virus HIV2</term>
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<term>Replication capacity</term>
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<term>Sequence data</term>
<term>Sequence database</term>
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<front><div type="abstract" xml:lang="en">A highly divergent HIV-2 designated as HIV-2[GH-2] was obtained from an AIDS-related complex (ARC) patient in Ghana. A full-length molecular clone of this isolate was obtained and a biologically active clone was constructed. Its restriction pattern differed from that of prototype HIV-2[GH-1 ] in 25 of 35 restriction sites, but was strikingly similarto a previously characterized HIV-2 isolate from a Ghanaian (HIV-2ALT). The conserved integrase region (288-bp fragment) previously displayed 95% identity with that of ALT but 17–20% divergence from the HIV-2 prototype member, and a new distinct subgroup (HIV-2b) of HIV-2 consisting of GH-2 and ALT was postulated (Miura et al. 1991.) These isolates, however, were biologically distinguishable from each other by its replication capacity in a monocyte line, U937, in which GH-2 could not grow but ALT grew well. In addition, the nucleotide sequence of the LTR of this new isolate displays 21% divergence from that of prototype HIV-2[GH-1], but the core enhancer, Spl binding sites and TATA box were conserved. Although the 3' half of the env gene sequence which is deleted in HIV-2ALT clone showed 27% diversity from the prototype, functional differences in the rev-responsive element were not observed.</div>
</front>
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<affiliations><list><country><li>Ghana</li>
<li>Japon</li>
</country>
<region><li>Région de Kantō</li>
<li>Région du Grand Accra</li>
<li>Région du Kansai</li>
</region>
<settlement><li>Accra</li>
<li>Kyoto</li>
<li>Tokyo</li>
</settlement>
<orgName><li>Université de Kyoto</li>
<li>Université du Ghana</li>
</orgName>
</list>
<tree><country name="Japon"><region name="Région du Kansai"><name sortKey="Kawamura, Meiko" sort="Kawamura, Meiko" uniqKey="Kawamura M" first="Meiko" last="Kawamura">Meiko Kawamura</name>
</region>
<name sortKey="Akari, Hirofumi" sort="Akari, Hirofumi" uniqKey="Akari H" first="Hirofumi" last="Akari">Hirofumi Akari</name>
<name sortKey="Fukasawa, Masashi" sort="Fukasawa, Masashi" uniqKey="Fukasawa M" first="Masashi" last="Fukasawa">Masashi Fukasawa</name>
<name sortKey="Hayami, Masanori" sort="Hayami, Masanori" uniqKey="Hayami M" first="Masanori" last="Hayami">Masanori Hayami</name>
<name sortKey="Hishida, Osamu" sort="Hishida, Osamu" uniqKey="Hishida O" first="Osamu" last="Hishida">Osamu Hishida</name>
<name sortKey="Ishikawa, Koh Ichi" sort="Ishikawa, Koh Ichi" uniqKey="Ishikawa K" first="Koh-Ichi" last="Ishikawa">Koh-Ichi Ishikawa</name>
<name sortKey="Katahira, Jun" sort="Katahira, Jun" uniqKey="Katahira J" first="Jun" last="Katahira">Jun Katahira</name>
<name sortKey="Kawamura, Meiko" sort="Kawamura, Meiko" uniqKey="Kawamura M" first="Meiko" last="Kawamura">Meiko Kawamura</name>
<name sortKey="Miura, Tomoyuki" sort="Miura, Tomoyuki" uniqKey="Miura T" first="Tomoyuki" last="Miura">Tomoyuki Miura</name>
<name sortKey="Nakai, Masuyo" sort="Nakai, Masuyo" uniqKey="Nakai M" first="Masuyo" last="Nakai">Masuyo Nakai</name>
<name sortKey="Sakuragi, Jun Ichi" sort="Sakuragi, Jun Ichi" uniqKey="Sakuragi J" first="Jun-Ichi" last="Sakuragi">Jun-Ichi Sakuragi</name>
<name sortKey="Tomonaga, Keizo" sort="Tomonaga, Keizo" uniqKey="Tomonaga K" first="Keizo" last="Tomonaga">Keizo Tomonaga</name>
</country>
<country name="Ghana"><region name="Région du Grand Accra"><name sortKey="Mingle, Julius A A" sort="Mingle, Julius A A" uniqKey="Mingle J" first="Julius A. A." last="Mingle">Julius A. A. Mingle</name>
</region>
<name sortKey="Netty, Victor B A" sort="Netty, Victor B A" uniqKey="Netty V" first="Victor B. A." last="Netty">Victor B. A. Netty</name>
<name sortKey="Osei Kwasi, Mubarak" sort="Osei Kwasi, Mubarak" uniqKey="Osei Kwasi M" first="Mubarak" last="Osei-Kwasi">Mubarak Osei-Kwasi</name>
</country>
</tree>
</affiliations>
</record>
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