Embryological evidence substantiates the subcoxal theory on the origin of pleuron in insects

Abstract The lateral body plate pleuron is a significant structure in insects that contributes to the development and elaboration of wings and limbs (appendages). Although the pleuron is thought to originate from the proximal-most appendicular segment, the subcoxa, details remain unclear, and the mo...

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Autores principales:	Yuta Mashimo, Ryuichiro Machida
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/675ece4fe3e341f79618e7b6604ee5dc
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spelling	oai:doaj.org-article:675ece4fe3e341f79618e7b6604ee5dc2021-12-02T15:05:34ZEmbryological evidence substantiates the subcoxal theory on the origin of pleuron in insects10.1038/s41598-017-12728-22045-2322https://doaj.org/article/675ece4fe3e341f79618e7b6604ee5dc2017-10-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-12728-2https://doaj.org/toc/2045-2322Abstract The lateral body plate pleuron is a significant structure in insects that contributes to the development and elaboration of wings and limbs (appendages). Although the pleuron is thought to originate from the proximal-most appendicular segment, the subcoxa, details remain unclear, and the morphological boundary between the dorsal body plate tergum and appendage (BTA) has not been clearly specified. Employing low-vacuum scanning electron microscopy (SEM) and the nano-suit method for SEM, we followed, in detail, the development of the thoracic segments of the two-spotted cricket Gryllus bimaculatus and succeeded in clearly defining the BTA. This study demonstrates the subcoxal origin of the pleuron, suggests the tergal origin of spiracles, and reveals that the wing proper originates exclusively from the tergum, whereas the wing hinge and direct muscles may be appendicular in origin, suggesting the dual origin (i.e., tergal plus appendicular origin) of wings.Yuta MashimoRyuichiro MachidaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yuta Mashimo Ryuichiro Machida Embryological evidence substantiates the subcoxal theory on the origin of pleuron in insects
description	Abstract The lateral body plate pleuron is a significant structure in insects that contributes to the development and elaboration of wings and limbs (appendages). Although the pleuron is thought to originate from the proximal-most appendicular segment, the subcoxa, details remain unclear, and the morphological boundary between the dorsal body plate tergum and appendage (BTA) has not been clearly specified. Employing low-vacuum scanning electron microscopy (SEM) and the nano-suit method for SEM, we followed, in detail, the development of the thoracic segments of the two-spotted cricket Gryllus bimaculatus and succeeded in clearly defining the BTA. This study demonstrates the subcoxal origin of the pleuron, suggests the tergal origin of spiracles, and reveals that the wing proper originates exclusively from the tergum, whereas the wing hinge and direct muscles may be appendicular in origin, suggesting the dual origin (i.e., tergal plus appendicular origin) of wings.
format	article
author	Yuta Mashimo Ryuichiro Machida
author_facet	Yuta Mashimo Ryuichiro Machida
author_sort	Yuta Mashimo
title	Embryological evidence substantiates the subcoxal theory on the origin of pleuron in insects
title_short	Embryological evidence substantiates the subcoxal theory on the origin of pleuron in insects
title_full	Embryological evidence substantiates the subcoxal theory on the origin of pleuron in insects
title_fullStr	Embryological evidence substantiates the subcoxal theory on the origin of pleuron in insects
title_full_unstemmed	Embryological evidence substantiates the subcoxal theory on the origin of pleuron in insects
title_sort	embryological evidence substantiates the subcoxal theory on the origin of pleuron in insects
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/675ece4fe3e341f79618e7b6604ee5dc
work_keys_str_mv	AT yutamashimo embryologicalevidencesubstantiatesthesubcoxaltheoryontheoriginofpleuronininsects AT ryuichiromachida embryologicalevidencesubstantiatesthesubcoxaltheoryontheoriginofpleuronininsects
_version_	1718388769068941312

Embryological evidence substantiates the subcoxal theory on the origin of pleuron in insects

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