Phenotypic and dynamical transitions in model genetic networks. II. Application to the evolution of segmentation mechanisms

Evolution & Development
Isaac Salazar-CiudadStuart A Newman

Abstract

Knowledge of the genetic control of segmentation in Drosophila has made insect segmentation a paradigmatic case in the study of the evolution of developmental mechanisms. In Drosophila, the patterns of expression of segmentation genes are established simultaneously in all segments by a complex set of interactions between transcriptional factors that diffuse in a syncytium occupying the whole embryo. Such mechanisms cannot act in short germ-band insects where segments appear sequentially from a cellularized posterior proliferative zone. Here, we compare mechanisms of segmentation in different organisms and discuss how the transition between the different types of segmentation can be explained by small and progressive changes in the underlying gene networks. The recent discovery of a temporal oscillation in expression during somitogenesis of vertebrate homologs of the pair-rule gene hairy enhances the plausibility of an earlier proposal that the evolutionary origin of both the short- and long germ-band modes of segmentation was an oscillatory genetic network (Newman 1993). An implication of this scenario is that the self-organizing, pattern-forming system embodied in an oscillatory network operating in the context of a syncytium ...Continue Reading

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Citations

Oct 19, 2002·BioEssays : News and Reviews in Molecular, Cellular and Developmental Biology·Stuart Newman
Apr 9, 2002·Journal of Biosciences·Stuart A Newman
Nov 19, 2009·Journal of Biosciences·Isaac Salazar-Ciudad
Nov 15, 2003·Journal of Theoretical Biology·Thomas MacCarthyAndrew Pomiankowski
May 28, 2013·The European Physical Journal. E, Soft Matter·K H W J Ten Tusscher
Nov 22, 2008·PLoS Computational Biology·Andreea Munteanu, Ricard V Solé
Jul 24, 2008·PloS One·Koichi FujimotoKunihiko Kaneko
May 12, 2009·Bio Systems·Max B CooperJohn F Y Brookfield
Dec 13, 2005·Evolution & Development·Giuseppe Fusco
Apr 28, 2004·Evolution & Development·Isaac Salazar-Ciudad, Jukka Jernvall
Feb 27, 2004·Evolution & Development·Louise J Johnson, John F Y Brookfield
May 11, 2011·Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution·Stuart A Newman
May 17, 2002·Current Biology : CB·Greg Gibson
Mar 24, 2015·Biological Theory·Johannes JaegerWerner Callebaut
Feb 7, 2002·Journal of Theoretical Biology·F W Cummings
May 8, 2015·PLoS Computational Biology·Miho S Kitazawa, Koichi Fujimoto
Jun 12, 2018·PLoS Computational Biology·Adrien HenryPaul François
Dec 19, 2015·Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution·Takahiro Kohsokabe, Kunihiko Kaneko
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Oct 17, 2006·BioEssays : News and Reviews in Molecular, Cellular and Developmental Biology·Isaac Salazar-Ciudad
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Sep 15, 2005·Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution·Stuart A Newman, Gerd B Müller
Oct 29, 2005·Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution·Isaac Salazar-Ciudad
Nov 22, 2005·Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution·Gerd B Müller, Stuart A Newman
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Feb 19, 2021·Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution·Takahiro Kohsokabe, Kunihiko Kaneko
Nov 6, 2018·Developmental Biology·Kirsten Ten Tusscher
Apr 2, 2003·Development·Isaac Salazar-CiudadStuart A Newman
Aug 9, 2021·Bio Systems·Stuart A NewmanTilmann Glimm
Jul 24, 2021·Integrative and Comparative Biology·A Michelle LawingDerek Wright

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