Abstract:Centromeric histones (CenH3s) are essential for chromosome inheritance during cell division in most eukaryotes. CenH3 genes have rapidly evolved and undergone repeated gene duplications and diversification in many plant and animal species. In Caenorhabditis, two independent duplications of CenH3 (named hcp-3 for HoloCentric chromosome-binding Protein 3) have been previously identified: in C. elegans and C. remanei. Here, using phylogenomic analyses in Caenorhabditis, we find strict retention of the ancestral h… Show more
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