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Related Concept Videos

Sexually Transmitted Infections01:26

Sexually Transmitted Infections

Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
Retrovirus Life Cycles01:10

Retrovirus Life Cycles

Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the retrovirus to...
Size and Structure of Viral Genomes01:26

Size and Structure of Viral Genomes

Viral genomes exhibit remarkable diversity in size, structure, and composition, influencing their replication strategies and interactions with host cells. These genomes consist of either DNA or RNA and may be linear or circular. Additionally, they can be single-stranded or double-stranded, with each configuration affecting how the virus propagates within a host. RNA viruses, for instance, generally have smaller genomes than DNA viruses, a factor that contributes to their high mutation rates and...
Viruses with RNA Genomes01:29

Viruses with RNA Genomes

RNA viruses are categorized into positive-strand, negative-strand, or double-stranded groups based on their genomic structure and replication mechanisms. This classification dictates how they exploit host cellular machinery for protein synthesis and replication. Some RNA viruses also utilize reverse transcription as part of their life cycle, further diversifying their replication strategies.Positive-Strand RNA VirusesPositive-strand RNA viruses have genomes that function directly as messenger...
Herpes01:28

Herpes

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Genital Herpes

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Related Experiment Video

Updated: Jul 7, 2026

Interview: HIV-1 Proviral DNA Excision Using an Evolved Recombinase
10:20

Interview: HIV-1 Proviral DNA Excision Using an Evolved Recombinase

Published on: June 16, 2008

Hitting HIV where it hides.

Andrew I Dayton

    Retrovirology
    |February 5, 2008
    PubMed
    Summary

    Inhibitors targeting the PI3/Akt pathway can make HIV-infected macrophages more vulnerable to cell death. This discovery offers a promising new strategy for eliminating persistent HIV reservoirs.

    Area of Science:

    • Immunology
    • Virology
    • Molecular Biology

    Background:

    • Human Immunodeficiency Virus (HIV) establishes persistent reservoirs in macrophages.
    • Macrophages are crucial in HIV infection and pathogenesis.
    • Oxidative stress contributes to cellular damage in HIV-infected cells.

    Discussion:

    • Phosphatidylinositol 3-kinase/Akt (PI3/Akt) signaling pathway is implicated in cell survival and proliferation.
    • Inhibiting the PI3/Akt pathway alters macrophage response to cellular stress.
    • This modulation may impact the viability of HIV-infected macrophages.

    Key Insights:

    • Targeting PI3/Akt sensitizes HIV-infected macrophages to oxidative stress-induced apoptosis.
    • This sensitization provides a novel mechanism to induce cell death in infected cells.

    Related Experiment Videos

    Last Updated: Jul 7, 2026

    Interview: HIV-1 Proviral DNA Excision Using an Evolved Recombinase
    10:20

    Interview: HIV-1 Proviral DNA Excision Using an Evolved Recombinase

    Published on: June 16, 2008

  • The findings highlight the role of PI3/Akt in maintaining HIV reservoirs.

    • Outlook:

    • PI3/Akt inhibitors represent a potential therapeutic avenue for HIV reservoir eradication.
    • Further research is needed to explore the clinical efficacy and safety of this approach.
    • Combination therapies targeting PI3/Akt and viral replication may enhance treatment outcomes.