literature

HIV mutation literature information.

Analysis of mutations at positions 115 and 116 in the dNTP binding site of HIV-1 reverse transcriptase.

PMID: 10737786 2000 Proc Natl Acad Sci U S A

Abstract: The RT variants Tyr-115-Phe and Phe-116-Tyr are similar to wild-type HIV-1 RT in most, but not all, respects.

Multidrug resistance genotypes (insertions in the beta3-beta4 finger subdomain and MDR mutations) of HIV-1 reverse transcriptase from extensively treated patients: incidence and association with other resistance mutations.

PMID: 10792990 2000 Virology

Abstract: In addition, we identified 13 (2.1%) viruses harboring specific MDR mutations (mainly Q151M and/or A62V, V75I, F116Y).

Abstract: These include a cluster of five mutations in the reverse-transcriptase (RT) coding region (A62V, V75I, F77L, F116Y, and Q151M) generally referred to as multidrug resistance (MDR) mutations, and insertions of one or several amino acid residues between codons 67 and 70 of RT, a flexible region joining two antiparrallel beta sheets (beta3-beta4 insertions).

Phenotypic and genotypic resistance patterns of HIV-1 isolates derived from individuals treated with didanosine and stavudine.

PMID: 10708277 2000 AIDS (London, England)

Abstract: Other mutations observed included the A62V, V751, F77L, F116Y, Q151 M multinucleoside resistance complex (one), the Q151M mutation (two) and the rare V75T mutation (two).

Emergence of zidovudine and multidrug-resistance mutations in the HIV-1 reverse transcriptase gene in therapy-naive patients receiving stavudine plus didanosine combination therapy. STADI Group.

PMID: 10509572 1999 AIDS (London, England)

Abstract: Among the 39 subjects, 18 (46%) developed mutations: one developed the Val75Thr/Ala mutation, four (10%) developed a Gln151Met multidrug-resistance mutation (MDR), associated in one of them with the Phe77Leu and the Phe116Tyr MDR mutations and 14 (36%) developed one or more zidovudine-specific mutations (Met41Leu, Asp67Asn, Lys70Arg, Leu210Trp, Thr215Tyr/Phe).

Comparative fitness of multi-dideoxynucleoside-resistant human immunodeficiency virus type 1 (HIV-1) in an In vitro competitive HIV-1 replication assay.

PMID: 10364282 1999 Journal of virology

Abstract: We examined whether human immunodeficiency virus type 1 (HIV-1) fitness was altered upon the acquisition of a set or subset of five mutations (A62V, V75I, F77L, F116Y, and Q151M) in the pol gene, which confers resistance to multiple dideoxynucleosides (MDR), as well as the zidovudine resistance-associated mutation T215Y, using a competitive HIV-1 replication assay in a setting of an HXB2D genetic background.

The impact of multidideoxynucleoside resistance-conferring mutations in human immunodeficiency virus type 1 reverse transcriptase on polymerase fidelity and error specificity.

PMID: 9525609 1998 Journal of virology

Abstract: Therefore, we have examined wild-type HIV-1BH10 RT and two nucleoside analog-resistant variants, the Q151M and A62V/V75I/F77L/F116Y/Q151M (VILYM) RTs, for their overall forward mutation rates in an M13 gapped-duplex assay that utilizes lacZ alpha as a reporter.

Altered drug sensitivity, fitness, and evolution of human immunodeficiency virus type 1 with pol gene mutations conferring multi-dideoxynucleoside resistance.

PMID: 9593005 1998 The Journal of infectious diseases

Abstract: Investigations were done to determine whether the replication kinetics of human immunodeficiency virus (HIV)-1 were altered when the virus acquired a set or subsets of five mutations (A62V, V75I, F77L, F116Y, and Q151M) in the pol gene conferring resistance to multiple dideoxynucleosides.

Multiple dideoxynucleoside analogue-resistant (MddNR) HIV-1 strains isolated from patients from different European countries.

PMID: 9814869 1998 AIDS (London, England)

Abstract: Viruses typically contained amino acid substitutions V75F, F77L, F116Y and Q151M in the RT gene.

Comparative enzymatic study of HIV-1 reverse transcriptase resistant to 2',3'-dideoxynucleotide analogs using the single-nucleotide incorporation assay.

PMID: 9033399 1997 Biochemistry

Abstract: Determination of the Ki values toward 5'-triphosphates (TP) of various ddNs [3'-azido-2',3'-dideoxythymidine (AZT), 2',3'-didehydro-2',3'-dideoxythymidine (D4T), 2',3'-dideoxycytidine (ddC), (-)-beta-L-2',3'-dideoxy-3'-thiacytidine (3TC), (-)-beta-L-2',3'-dideoxy-5-fluorocytidine (FddC), 2',3'-dideoxyadenosine (ddA), and 2'-beta-fluoro-2',3'-dideoxyadenosine (FddA)] and 9-(2-phosphonylmethoxyethyl)adenine diphosphate (PMEApp) revealed that RTA62V/V75I/F77L/F116Y/Q151M was insensitive to ddATP, AZTTP, D4TTP, FddATP, and ddCTP, but was sensitive to PMEApp, 3TCTP, and FddCTP.

Abstract: Employing the single-nucleotide incorporation assay using a heteropolymeric RNA template and DNA primers, we defined enzymatic profiles of recombinant human immunodeficiency virus type 1 (HIV-1)

HIV-1 acquires resistance to two classes of antiviral drugs through homologous recombination.

PMID: 9477118 1997 Antiviral research

Abstract: Co-transfection of COS-7 cells with an HIV-1 plasmid (pSUM13) carrying five mutations in the reverse transcriptase (RT)-encoding region (A62V, V75I, F77L, F116Y, Q151M), conferring resistance to multiple dideoxynucleoside analogs (ddNs), and another HIV-1 plasmid (pSUM431) carrying five mutations in the protease-encoding region (V321, L33F, K451, 184V, L89M), conferring resistance to protease inhibitors such as KNI-272, readily produced HIV-1 carrying both sets of mutations when propagated in MT-2 cells in the presence of azidothymidine (AZT) and KNI-272.

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