Characterization of taxonomically restricted genes in a phylum-restricted cell type |
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Authors: | Sabine Milde Georg Hemmrich Friederike Anton-Erxleben Konstantin Khalturin Jörg Wittlieb Thomas CG Bosch |
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Institution: | Sabine Milde, Georg Hemmrich, Friederike Anton-Erxleben, Konstantin Khalturin, Jörg Wittlieb, and Thomas CG Bosch |
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Abstract: | Background Despite decades of research, the molecular mechanisms responsible for the evolution of morphological diversity remain poorly
understood. While current models assume that species-specific morphologies are governed by differential use of conserved genetic
regulatory circuits, it is debated whether non-conserved taxonomically restricted genes are also involved in making taxonomically
relevant structures. The genomic resources available in Hydra, a member of the early branching animal phylum Cnidaria, provide a unique opportunity to study the molecular evolution of
morphological novelties such as the nematocyte, a cell type characteristic of, and unique to, Cnidaria. |
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