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The HIV-1 Rev response element (RRE) is a highly structured, ~350 nucleotide RNA segment present in the Env coding region of unspliced and partially spliced viral mRNAs.In the presence of the HIV-1 accessory protein Rev, HIV-1 mRNAs that contain the RRE can be exported from the nucleus to the cytoplasm for downstream events such as translation and virion packaging.
HIV is a retrovirus, which comprise a large and diverse family of RNA viruses that make a DNA copy of their RNA genome after infection of a host cell. An essential step in the replication cycle of HIV-1 and other retroviruses is the integration of this viral DNA into the host DNA. The RNA genome of progeny virions and the template for ...
The p24 capsid protein is the most abundant HIV protein with each virus containing approximately 1,500 to 3,000 p24 molecules. [1] It is the major structural protein within the capsid , and it is involved in maintaining the structural integrity of the virus and facilitating various stages of the viral life cycle, including viral entry into host ...
Rev is a transactivating protein that is essential to the regulation of HIV-1 (and other lentiviral) protein expression.A nuclear localization signal is encoded in the rev gene, which allows the Rev protein to be localized to the nucleus, where it is involved in the export of unspliced and incompletely spliced mRNAs.
This file was derived from: Hiv replication cycle.gif This image has been created during "DensityDesign Integrated Course Final Synthesis Studio" at Polytechnic University of Milan, organized by DensityDesign Research Lab in 2016. Image is released under CC-BY-SA licence. Attribution goes to "Chiara Cirella, DensityDesign Research Lab".
To study the kissing stem-loop loop interaction, It was seen that the Dimerization initiation site (DIS) complex was essential to the replication of the HIV type 1 virus in the eukaryotic cell, and any changes to the stem loop structure diminished the dimerization interaction. Experimentally, it has been seen that, in vivo, mutating the ...
HIV-1 Protease has the classic AspThrGly of Aspartyl Proteases. These amino acids are located at position 25, 26, and 27, and are responsible for the catalytic activity. With its integral role in HIV replication, HIV protease has been a prime target for drug therapy.
A reverse transcriptase (RT) is an enzyme used to convert RNA genome to DNA, a process termed reverse transcription.Reverse transcriptases are used by viruses such as HIV, COVID-19, and hepatitis B to replicate their genomes, by retrotransposon mobile genetic elements to proliferate within the host genome, and by eukaryotic cells to extend the telomeres at the ends of their linear chromosomes.
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