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New Insights Into Skeletal Muscle Development and Growth in Teleost Fishes by Pierre-Yves Rescan is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

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## Abstract Recent research has significantly broadened our understanding of how the teleost somite is patterned to achieve embryonic and postembryonic myogenesis. Medial (adaxial) cells and posterior cells of the early epithelial somite generate embryonic superficial slow and deep fast muscle fibers, respectively, whereas anterior somitic cells move laterally to form an external cell layer of undifferentiated Pax7‐positive myogenic precursors surrounding the embryonic myotome. In late embryo and in larvae, some of the cells contained in the external cell layer incorporate into the myotome and differentiate into new muscle fibers, thus contributing to medio‐lateral expansion of the myotome. This supports the suggestion that the teleost external cell layer is homologous to the amniote dermomyotome. Some of the signalling molecules that promote lateral movement or regulate the myogenic differentiation of external cell precursors have been identified and include stromal cell‐derived factor 1 (Sdf1), hedgehog proteins, and fibroblast growth factor 8 (Fgf8). Recent studies have shed light on gene activations that underlie the differentiation and maturation of slow and fast muscle fibers

Who reads New Insights Into Skeletal Muscle Development and Growth in Teleost Fishes?

Author

Pierre-Yves Rescan

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley (ISSN 1552-5007)

Published

2008

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)