Specification of the somatic musculature in Drosophila

Wiley Interdisciplinary Reviews. Developmental Biology
Krista C DobiMary K Baylies

Abstract

The somatic muscle system formed during Drosophila embryogenesis is required for larvae to hatch, feed, and crawl. This system is replaced in the pupa by a new adult muscle set, responsible for activities such as feeding, walking, and flight. Both the larval and adult muscle systems are comprised of distinct muscle fibers to serve these specific motor functions. In this way, the Drosophila musculature is a valuable model for patterning within a single tissue: while all muscle cells share properties such as the contractile apparatus, properties such as size, position, and number of nuclei are unique for a particular muscle. In the embryo, diversification of muscle fibers relies first on signaling cascades that pattern the mesoderm. Subsequently, the combinatorial expression of specific transcription factors leads muscle fibers to adopt particular sizes, shapes, and orientations. Adult muscle precursors (AMPs), set aside during embryonic development, proliferate during the larval phases and seed the formation of the abdominal, leg, and flight muscles in the adult fly. Adult muscle fibers may either be formed de novo from the fusion of the AMPs, or are created by the binding of AMPs to an existing larval muscle. While less is know...Continue Reading

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Citations

Jul 18, 2016·Seminars in Cell & Developmental Biology·Eyal D Schejter
Sep 14, 2016·Current Biology : CB·Ingo Bothe, Mary K Baylies
Jan 27, 2018·Molecular Biology and Evolution·Kaia AchimDetlev Arendt
Jan 30, 2016·Molecular Biology of the Cell·Frozan SafiDaniela Rotin
Jun 12, 2018·PLoS Computational Biology·Angelika ManhartAlex Mogilner
Mar 12, 2015·Wiley Interdisciplinary Reviews. Developmental Biology·Victoria K SchulmanMary K Baylies
Feb 26, 2019·FEBS Letters·Isabelle DraperPeter B Kang
Oct 28, 2019·The Journal of Cell Biology·Dhananjay Chaturvedi, K VijayRaghavan
Oct 9, 2019·The Journal of Cell Biology·Christoph SchaubManfred Frasch
Mar 1, 2020·Genes·J Spencer JohnstonCarl E Hjelmen
Jun 11, 2017·BMC Biology·Laetitia BatailléAlain Vincent
Jun 20, 2019·Development Genes and Evolution·Damian LewandowskiMałgorzata Daczewska
Jul 8, 2020·Cells·Preethi Poovathumkadavil, Krzysztof Jagla
Dec 3, 2020·Molecular Biology Reports·Madhavi DubeyHena Firdaus
Feb 6, 2020·Trends in Cell Biology·Mafalda Azevedo, Mary K Baylies
Sep 22, 2021·FASEB Journal : Official Publication of the Federation of American Societies for Experimental Biology·Águeda Blázquez-BernalRuben Artero
Feb 20, 2020·Seminars in Cell & Developmental Biology·Elena NikonovaMaria L Spletter

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