Marc-Andre Comeau

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Ribonuclease III (RNase III) enzymes are a family of double-stranded RNA (dsRNA)-specific endoribonucleases required for RNA maturation and gene regulation. Prokaryotic RNase III enzymes have been well characterized, but how eukaryotic RNase IIIs work is less clear. Here, we describe the structure of the Saccharomyces cerevisiae RNase III (Rnt1p)(More)
Ciliary neurotrophic factor (CNTF) promotes survival in vitro and in vivo of several neuronal cell types including sensory and motor neurons. The primary structure of CNTF suggests it to be a cytosolic protein with strong similarity to the alpha-helical cytokine family which is characterized by a bundle of four anti-parallel helices. CNTF exerts its(More)
Members of the ribonuclease III (RNase III) family regulate gene expression by triggering the degradation of double stranded RNA (dsRNA). Hundreds of RNase III cleavage targets have been identified and their impact on RNA maturation and stability is now established. However, the mechanism defining substrates' reactivity remains unclear. In this study, we(More)
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