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Insights into marine animal genomics and regeneration from lophotrochozoa
In this talk, I will describe recent advances in the field of metazoan comparative genomics and regeneration, the insights into the marine animal genomic and annelid regeneration. The scientific questions arising from the ability of certain species, but not others, to massively regenerate their bodies are among the most fascinating and challenging confronting modern cell and developmental biologists today. The tremendous implications of this research area for human medicine and tissue engineering are obvious. Yet many other animals exhibit robust regenerative capabilities, including "lower" vertebrates such as amphibians, and invertebrates such as echinoderms, flatworms and annelids. In the extreme case, some species can reproduce vegetative indefinitely. Such animals must contain the operational equivalent of immortal, totipotent somatic stem cells. From invertebrates to the higher vertebrates, their metabolic pathway, developmental regulatory genes, and intercellular signaling pathways are evolutionary conserved. With these, study on regeneration is an ingenious, powerful model system for studying the post-embryonic development, innate immunity mechanisms, and primordial germ cells (PGCs).
