A staging scheme for the development of the moth midge Clogmia albipunctata.

Model organisms, such as Drosophila melanogaster, allow us to address a wide range of biological questions with experimental rigour. However, studies in model species need to be complemented by comparative studies if we are to fully understand the functional properties and evolutionary history of de...

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Autores principales:	Eva Jiménez-Guri, Karl R Wotton, Brenda Gavilán, Johannes Jaeger
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a74580e9c3f3496e911e3aafda0619d8
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spelling	oai:doaj.org-article:a74580e9c3f3496e911e3aafda0619d82021-11-18T08:38:46ZA staging scheme for the development of the moth midge Clogmia albipunctata.1932-620310.1371/journal.pone.0084422https://doaj.org/article/a74580e9c3f3496e911e3aafda0619d82014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24409296/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203Model organisms, such as Drosophila melanogaster, allow us to address a wide range of biological questions with experimental rigour. However, studies in model species need to be complemented by comparative studies if we are to fully understand the functional properties and evolutionary history of developmental processes. The establishment of new model organisms is crucial for this purpose. One of the first essential steps to establish a species as an experimental model is to carefully describe its life cycle and development. The resulting staging scheme serves as a framework for molecular studies, and allows us to homologise developmental processes between species. In this paper, we have characterised the life cycle and development of an emerging non-drosophilid dipteran model system: the moth midge Clogmia albipunctata. In particular, we focus on early embryogenesis (cleavage and blastoderm cycles before gastrulation), on formation and retraction of extraembryonic tissues, and on formation of the germ line. Considering the large evolutionary distance between the two species (approximately 250 million years), we find that the development of C. albipunctata is remarkably conserved compared to D. melanogaster. On the other hand, we detect significant differences in morphology and timing affecting the development of extraembryonic tissues and the germ line. Moreover, C. albipunctata shows several heterochronic shifts, and lacks head involution and associated processes during late stages of development.Eva Jiménez-GuriKarl R WottonBrenda GavilánJohannes JaegerPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 1, p e84422 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Eva Jiménez-Guri Karl R Wotton Brenda Gavilán Johannes Jaeger A staging scheme for the development of the moth midge Clogmia albipunctata.
description	Model organisms, such as Drosophila melanogaster, allow us to address a wide range of biological questions with experimental rigour. However, studies in model species need to be complemented by comparative studies if we are to fully understand the functional properties and evolutionary history of developmental processes. The establishment of new model organisms is crucial for this purpose. One of the first essential steps to establish a species as an experimental model is to carefully describe its life cycle and development. The resulting staging scheme serves as a framework for molecular studies, and allows us to homologise developmental processes between species. In this paper, we have characterised the life cycle and development of an emerging non-drosophilid dipteran model system: the moth midge Clogmia albipunctata. In particular, we focus on early embryogenesis (cleavage and blastoderm cycles before gastrulation), on formation and retraction of extraembryonic tissues, and on formation of the germ line. Considering the large evolutionary distance between the two species (approximately 250 million years), we find that the development of C. albipunctata is remarkably conserved compared to D. melanogaster. On the other hand, we detect significant differences in morphology and timing affecting the development of extraembryonic tissues and the germ line. Moreover, C. albipunctata shows several heterochronic shifts, and lacks head involution and associated processes during late stages of development.
format	article
author	Eva Jiménez-Guri Karl R Wotton Brenda Gavilán Johannes Jaeger
author_facet	Eva Jiménez-Guri Karl R Wotton Brenda Gavilán Johannes Jaeger
author_sort	Eva Jiménez-Guri
title	A staging scheme for the development of the moth midge Clogmia albipunctata.
title_short	A staging scheme for the development of the moth midge Clogmia albipunctata.
title_full	A staging scheme for the development of the moth midge Clogmia albipunctata.
title_fullStr	A staging scheme for the development of the moth midge Clogmia albipunctata.
title_full_unstemmed	A staging scheme for the development of the moth midge Clogmia albipunctata.
title_sort	staging scheme for the development of the moth midge clogmia albipunctata.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/a74580e9c3f3496e911e3aafda0619d8
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A staging scheme for the development of the moth midge Clogmia albipunctata.

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