نتایج جستجو برای: vpx
تعداد نتایج: 227 فیلتر نتایج به سال:
Recombination may be an important mechanism for increasing variation in retroviral populations. Retroviral recombination has been demonstrated in tissue culture systems by artificially creating doubly infected cells. Evidence for retroviral recombination in vivo is indirect and is based principally on the identification of apparently mosaic human immunodeficiency virus type 1 genomes from phylo...
The human and simian immunodeficiency viruses encode at least six gene products that apparently serve regulatory functions. To evaluate the regulation of simian immunodeficiency virus gene expression at the level of RNA splicing, we used the polymerase chain reaction to amplify and clone cDNAs corresponding to a large array of mRNAs from infected cells. We identified mRNAs that used splice acce...
Aside from the typical retroviral gag, pol, and env genes, HIV encodes a series of accessory genes, vif, vpr, vpx, vpu, and nef. The vpu gene is found exclusively in HIV-1 (Strebel et al., 1988; Cohen et al, 1988; Matsuda, 1988). In tissue culture systems, defects in accessory genes are frequently not correlated with a detectable impairment of virus replication and, as a result, these genes are...
Antiretroviral therapy (ART) can control human immunodeficiency virus-1 (HIV-1) replication in infected individuals. Unfortunately, patients remain persistently infected owing to the establishment of latent infection requiring that ART be maintained indefinitely. One strategy being pursued involves the development of latency-reversing agents (LRAs) to eliminate the latent arm of the infection. ...
The ubiquitin-proteasome system (UPS) ensures regulation of the protein pool in the cell by ubiquitination of proteins followed by their degradation by the proteasome. It plays a central role in the cell under normal physiological conditions as well as during viral infections. On the one hand, the UPS can be used by the cell to degrade viral proteins, thereby restricting the viral infection. On...
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