Current antivirals effectively target diverse viruses at various stages of their life cycles. Nevertheless, curative therapy has remained elusive for important pathogens, such as human immunodeficiency virus type 1 (HIV-1) and herpesviruses, in large part due to viral latency and the evolution of resistance to existing therapies. Here, we review the discovery of viral master circuits: virus-encoded autoregulatory gene networks that autonomously control viral expression programs (i.e., between active, latent, and abortive fates). These circuits offer the opportunity for a new class of antivirals that could lead to intrinsic combination-antiviral therapies within a single molecule-evolutionary escape from such circuit disruptors would require simultaneous evolution of both the cis regulatory element (e.g., the DNA-binding site) and the trans element (e.g., the transcription factor) for the circuit's function to be recapitulated. We review the architectures of these fate-regulating master circuits in HIV-1 and the human herpesvirus cytomegalovirus along with potential circuit-disruption strategies that may ultimately enable escape-resistant antiviral therapies. Expected final online publication date for the Annual Review of Virology Volume 4 is September 29, 2017. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 28 October 2017.
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