Affiliation:
1. School of Biological Sciences, Victoria University of Wellington, Kelburn Parade, Wellington 6010, New Zealand
Abstract
Using embryological data from 14 mammalian orders, the hypothesis is presented that in placental mammals, epiblast cavitation and polar trophoblast loss are alternative developmental solutions to shield the central epiblast from extraembryonic signalling. It is argued that such reciprocal signalling between the edge of the epiblast and the adjoining polar trophoblast or edge of the mural trophoblast or with the amniotic ectoderm is necessary for the induction of gastrulation.
This article is part of the theme issue ‘Extraembryonic tissues: exploring concepts, definitions and functions across the animal kingdom’.
Funder
Royal Society Te Apārangi Marsden Fund
Wellington University Research Fund
Subject
General Agricultural and Biological Sciences,General Biochemistry, Genetics and Molecular Biology
Reference117 articles.
1. Die erste Entwicklung des Kaninchens;Rauber A;Sitzungsber. Naturfor. Gesell. Leipzig,1875
2. Die Entwickelung der Keimblatter des Kaninchens;Koellicker A;Zool. Anz.,1880
3. Early cell lineage specification in a marsupial: a case for diverse mechanisms among mammals
4. Frankenberg S. 2018 Chapter Ten - Pre-gastrula development of non-eutherian mammals. In Current topics in developmental biology (eds B Plusa, A-K Hadjantonakis), pp. 237-266. New York, NY: Academic Press.
5. Trophoblast and hypoblast in the monotreme, marsupial and eutherian mammal: evolution and origins
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