Restricting HIV the SAMHD1 way: through nucleotide starvation. - Institut Pasteur Access content directly
Journal Articles Nature Reviews Microbiology Year : 2012

Restricting HIV the SAMHD1 way: through nucleotide starvation.

Diana Ayinde
  • Function : Author
Nicoletta Casartelli
Olivier Schwartz
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Abstract

HIV replication is limited by cellular restriction factors, such as APOBEC and tetherin, which themselves are counteracted by viral proteins. SAMHD1 was recently identified as a novel HIV restriction factor in myeloid cells, and was shown to be blocked by the lentiviral protein Vpx. SAMHD1 limits viral replication through an original mechanism: it hydrolyses intracellular dNTPs in non-cycling cells, thus decreasing the amount of these key substrates, which are required for viral DNA synthesis. In this Progress article, we describe how SAMHD1 regulates the pool of intracellular nucleotides to control HIV replication and the innate immune response.
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pasteur-01110079 , version 1 (27-01-2015)

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Diana Ayinde, Nicoletta Casartelli, Olivier Schwartz. Restricting HIV the SAMHD1 way: through nucleotide starvation.. Nature Reviews Microbiology, 2012, 10 (10), pp.675-80. ⟨10.1038/nrmicro2862⟩. ⟨pasteur-01110079⟩

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