Words similar to yrh

Example sentences for: yrh

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Eukaryotes might have acquired the YRH gene from a bacteriophage at an early stage of their evolution and retained the RDRPs thanks to the selective advantage conferred by the new level of gene expression regulation mediated, in part, by these enzymes.
Thus, these comparisons identify previously undetected prokaryotic homologs of the eukaryotic RDRPs, the YRH proteins, which probably also have RNA-dependent RNA polymerase activity.
All RDRP sequences contain two closely spaced lysines, which are conserved in the YRH proteins (Fig.
The eukaryotic RDRP is part of a large ensemble of functionally linked proteins, which include the Dicer helicase-nuclease, PIWI family proteins, the Hen-2/Corymbosa-like RNA methylase, AlkB-related RNA demethylases, and Lin28-like RNA-binding proteins [ 1 45 46 ] . Since no closely related homologs of any of these proteins are encoded in the genomes of the phages that encode YRH proteins, the latter are unlikely to function in a biological context similar to that of the eukaryotic RDRPs.
Should that be the case, the YRH proteins could be late surviving derivatives of these ancient enzymes, which apparently have been shunned from cellular life forms during the evolution of prokaryotes.