Study of HIV-1 Gene Transmission from Mothers to Infants
Author Information
Author(s): Brian P Wellensiek, Vasudha Sundaravaradan, Rajesh Ramakrishnan, Nafees Ahmad
Primary Institution: Department of Microbiology and Immunology, College of Medicine, The University of Arizona Health Sciences Center, Tucson, Arizona, USA
Hypothesis
The study aims to characterize the HIV-1 gag nucleocapsid gene associated with vertical transmission.
Conclusion
The gag NC and p6 open reading frames were found to be conserved in mother-infant pairs following vertical transmission.
Supporting Evidence
- Phylogenetic analysis revealed six separate subtrees corresponding to each mother-infant pair.
- A high frequency of intact open reading frames of NC and p6 was conserved in mother-infant pairs' sequences.
- Nucleotide and amino acid distances showed a lower degree of viral heterogeneity.
- The NC and p6 sequences were found to be under positive selection pressure.
Takeaway
This study looked at how a virus called HIV-1 is passed from mothers to their babies and found that certain parts of the virus stay the same during this process.
Methodology
Phylogenetic analysis and genetic diversity assessment of gag NC and p6 genes from six mother-infant pairs.
Limitations
The study is limited to six mother-infant pairs, which may not represent the broader population.
Participant Demographics
Included six HIV-1 infected mother-infant pairs, with one pair being twins.
Digital Object Identifier (DOI)
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