Universität zu Köln

Prpic, Nikola-Michael and Pechmann, Matthias ORCID: 0000-0002-0043-906X (2022). Extraembryonic tissue in chelicerates: a review and outlook. Philos. Trans. R. Soc. B-Biol. Sci., 377 (1865). LONDON: ROYAL SOC. ISSN 1471-2970

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Abstract

The formation of extraembryonic membranes (EEMs) contributes to the proper development of many animals. In arthropods, the formation and function of EEMs have been studied best in insects. Regarding the development of extraembryonic tissue in chelicerates (spiders and relatives), most information is available for spiders (Araneae). Especially two populations of cells have been considered to represent EEMs in spiders. The first of these potential EEMs develops shortly after egg deposition, opposite to a radially symmetrical germ disc that forms in one hemisphere of the egg and encloses the yolk. The second tissue, which has been described as being extraembryonic is the so-called dorsal field, which is required to cover the dorsal part of the developing spider germ rudiment before proper dorsal closure. In this review, we summarize the current knowledge regarding the formation of potential extraembryonic structures in the Chelicerata. We describe the early embryogenesis of spiders and other chelicerates, with a special focus on the formation of the potential extraembryonic tissues.This article is part of the theme issue 'Extraembryonic tissues: exploring concepts, definitions and functions across the animal kingdom'.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Prpic, Nikola-Michael UNSPECIFIED UNSPECIFIED UNSPECIFIED Pechmann, Matthias UNSPECIFIED orcid.org/0000-0002-0043-906X UNSPECIFIED
URN:	urn:nbn:de:hbz:38-663821
DOI:	10.1098/rstb.2021.0269
Journal or Publication Title:	Philos. Trans. R. Soc. B-Biol. Sci.
Volume:	377
Number:	1865
Date:	2022
Publisher:	ROYAL SOC
Place of Publication:	LONDON
ISSN:	1471-2970
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language ACHAEARANEA-JAPONICA BOS; BEETLE TRIBOLIUM; SPIDER EMBRYO; EXPRESSION; EMBRYOGENESIS; GENES; SPECIFICATION; DROSOPHILA; SEROSA; DPP Multiple languages Biology Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/66382