Trypanosoma, Paramecium and Tetrahymena: From genomics to flagellar and ciliary structures and cytoskeleton dynamics.

Cilia and flagella play an important role in motility, sensory perception, and the life cycles of eukaryotes, from protists to humans. However, much critical information concerning cilia structure and function remains elusive. The vast majority of ciliary and flagellar proteins analyzed so far are evolutionarily conserved and play a similar role in protozoa and vertebrates. This makes protozoa attractive biological models for studying cilia biology. Research conducted on ciliated or flagellated protists may improve our general understanding of cilia protein composition, of cilia beating, and can shed light on the molecular basis of the human disorders caused by motile cilia dysfunction. The Symposium "From genomics to flagellar and ciliary structures and cytoskeleton dynamics" at ECOP2019 in Rome presented the latest discoveries about cilia biogenesis and the molecular mechanisms of ciliary and flagellum motility based on studies in Paramecium, Tetrahymena, and Trypanosoma. Here, we review the most relevant aspects presented and discussed during the symposium and add our perspectives for future research.

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