{"title":"Notch signaling in the division of germ layers in bilaterian embryos","authors":"María Belén Favarolo, Silvia L. López","doi":"10.1016/j.mod.2018.06.005","DOIUrl":null,"url":null,"abstract":"<div><p>Bilaterian embryos are triploblastic organisms which develop three complete germ layers (ectoderm, mesoderm, and endoderm). While the ectoderm develops mainly from the animal hemisphere, there is diversity in the location from where the endoderm and the mesoderm arise in relation to the animal-vegetal axis, ranging from endoderm being specified between the ectoderm and mesoderm in echinoderms, and the mesoderm being specified between the ectoderm and the endoderm in vertebrates. A common feature is that part of the mesoderm segregates from an ancient bipotential endomesodermal domain. The process of segregation is noisy during the initial steps but it is gradually refined. In this review, we discuss the role of the Notch pathway in the establishment and refinement of boundaries between germ layers in bilaterians, with special focus on its interaction with the Wnt/β-catenin pathway.</p></div>","PeriodicalId":49844,"journal":{"name":"Mechanisms of Development","volume":"154 ","pages":"Pages 122-144"},"PeriodicalIF":2.6000,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.mod.2018.06.005","citationCount":"14","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Mechanisms of Development","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0925477318300650","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"Medicine","Score":null,"Total":0}
引用次数: 14
Abstract
Bilaterian embryos are triploblastic organisms which develop three complete germ layers (ectoderm, mesoderm, and endoderm). While the ectoderm develops mainly from the animal hemisphere, there is diversity in the location from where the endoderm and the mesoderm arise in relation to the animal-vegetal axis, ranging from endoderm being specified between the ectoderm and mesoderm in echinoderms, and the mesoderm being specified between the ectoderm and the endoderm in vertebrates. A common feature is that part of the mesoderm segregates from an ancient bipotential endomesodermal domain. The process of segregation is noisy during the initial steps but it is gradually refined. In this review, we discuss the role of the Notch pathway in the establishment and refinement of boundaries between germ layers in bilaterians, with special focus on its interaction with the Wnt/β-catenin pathway.
期刊介绍：
Mechanisms of Development is an international journal covering the areas of cell biology and developmental biology. In addition to publishing work at the interphase of these two disciplines, we also publish work that is purely cell biology as well as classical developmental biology.
Mechanisms of Development will consider papers in any area of cell biology or developmental biology, in any model system like animals and plants, using a variety of approaches, such as cellular, biomechanical, molecular, quantitative, computational and theoretical biology.
Areas of particular interest include:
Cell and tissue morphogenesis
Cell adhesion and migration
Cell shape and polarity
Biomechanics
Theoretical modelling of cell and developmental biology
Quantitative biology
Stem cell biology
Cell differentiation
Cell proliferation and cell death
Evo-Devo
Membrane traffic
Metabolic regulation
Organ and organoid development
Regeneration
Mechanisms of Development does not publish descriptive studies of gene expression patterns and molecular screens; for submission of such studies see Gene Expression Patterns.
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