Sequence variability in p6 gag protein and gag/pol coevolution in human immunodeficiency type 1 subtype F genomes. 2013

Andres H Rossi, and Carlos A Rocco, and Andrea Mangano, and Luisa Sen, and Paula C Aulicino
Laboratorio de BiologĂ­a Celular y Retrovirus, Hospital de PediatrĂ­a Juan P. Garran, CONICET, Buenos Aires, Argentina.

Polymorphisms occurring at the p6gag protein of HIV-1 have been previously found to have an impact on viral fitness and antiretroviral (ARV) resistance, mainly on subtype B genomes. We compared p6gag variability in a large group of 165 subtype F gag-pol sequences, with 36 subtype B sequences from the same study source, and identified sites of gag-pol coevolution under ARV selection pressure. Subtype-specific differences in the frequency of point mutations, insertions, and deletions previously associated with ARV resistance were found. Also, in our dataset of subtype F genomes a strong association between mutation P5L in the p1/p6 cleavage region of gag and the nelfinavir (NFV) resistance mutation N88D(PR) was found with no impact on the preference for any of the NFV resistance pathways.

UI MeSH Term Description Entries
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D009154 Mutation Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations. Mutations
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000595 Amino Acid Sequence The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION. Protein Structure, Primary,Amino Acid Sequences,Sequence, Amino Acid,Sequences, Amino Acid,Primary Protein Structure,Primary Protein Structures,Protein Structures, Primary,Structure, Primary Protein,Structures, Primary Protein
D014644 Genetic Variation Genotypic differences observed among individuals in a population. Genetic Diversity,Variation, Genetic,Diversity, Genetic,Diversities, Genetic,Genetic Diversities,Genetic Variations,Variations, Genetic
D015497 HIV-1 The type species of LENTIVIRUS and the etiologic agent of AIDS. It is characterized by its cytopathic effect and affinity for the T4-lymphocyte. Human immunodeficiency virus 1,HIV-I,Human Immunodeficiency Virus Type 1,Immunodeficiency Virus Type 1, Human
D015658 HIV Infections Includes the spectrum of human immunodeficiency virus infections that range from asymptomatic seropositivity, thru AIDS-related complex (ARC), to acquired immunodeficiency syndrome (AIDS). HTLV-III Infections,HTLV-III-LAV Infections,T-Lymphotropic Virus Type III Infections, Human,HIV Coinfection,Coinfection, HIV,Coinfections, HIV,HIV Coinfections,HIV Infection,HTLV III Infections,HTLV III LAV Infections,HTLV-III Infection,HTLV-III-LAV Infection,Infection, HIV,Infection, HTLV-III,Infection, HTLV-III-LAV,Infections, HIV,Infections, HTLV-III,Infections, HTLV-III-LAV,T Lymphotropic Virus Type III Infections, Human
D015750 Genes, gag DNA sequences that form the coding region for proteins associated with the viral core in retroviruses. gag is short for group-specific antigen. gag Genes,gag Gene,Gene, gag
D015751 Genes, pol DNA sequences that form the coding region for retroviral enzymes including reverse transcriptase, protease, and endonuclease/integrase. "pol" is short for polymerase, the enzyme class of reverse transcriptase. pol Genes,pol Gene,Gene, pol
D016679 Genome, Viral The complete genetic complement contained in a DNA or RNA molecule in a virus. Viral Genome,Genomes, Viral,Viral Genomes

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