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Viviparity in the dermapteran Arixenia esau: respiration inside mother’s body requires both maternal and larval contribution

Earwigs (Dermaptera) use different strategies to increase their reproductive success. Most species lay eggs; however, viviparity of the matrotrophic type has been reported in two groups: Hemimeridae and Arixeniidae. In Arixeniidae, offspring develop in two separate places: inside an ovary (the intra...

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Autores principales: Jaglarz, Mariusz K., Tworzydlo, Waclaw, Rak, Agnieszka, Kotula-Balak, Malgorzata, Sekula, Malgorzata, Bilinski, Szczepan M.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer Vienna 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6820587/
https://www.ncbi.nlm.nih.gov/pubmed/31218520
http://dx.doi.org/10.1007/s00709-019-01402-1
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author Jaglarz, Mariusz K.
Tworzydlo, Waclaw
Rak, Agnieszka
Kotula-Balak, Malgorzata
Sekula, Malgorzata
Bilinski, Szczepan M.
author_facet Jaglarz, Mariusz K.
Tworzydlo, Waclaw
Rak, Agnieszka
Kotula-Balak, Malgorzata
Sekula, Malgorzata
Bilinski, Szczepan M.
author_sort Jaglarz, Mariusz K.
collection PubMed
description Earwigs (Dermaptera) use different strategies to increase their reproductive success. Most species lay eggs; however, viviparity of the matrotrophic type has been reported in two groups: Hemimeridae and Arixeniidae. In Arixeniidae, offspring develop in two separate places: inside an ovary (the intraovarian phase) and within a uterus (the intrauterine phase). Both morphological and physiological aspects of viviparity in Arixeniidae have begun to be unraveled only recently. Here, we characterize how the first instar larvae of Arixenia esau, developing inside the mother’s reproductive system, manage respiration and gas exchange. Using modern light and electron microscopy techniques as well as immunological approach, we provide a detailed account of the maternal and larval tissue interactions during the intrauterine development. We demonstrate that respiration in the Arixenia first instar larvae relies on the extensive tracheal system of the mother as well as a respiratory pigment (hemocyanin) present within the body cavity of the larvae. Our results indicate that the larval fat body tissue is the likely place of the hemocyanin synthesis. Our study shows that characteristic cone-shaped lobes of the outgrowths located on the larval abdomen are a part of a placenta-like organ and mediate the gas exchange between the maternal and larval organisms. Based on the obtained results, we propose that Arixenia esau evolved a unique biphasic system supporting respiration of the first instar larvae during their development inside the mother’s reproductive tract.
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spelling pubmed-68205872019-11-06 Viviparity in the dermapteran Arixenia esau: respiration inside mother’s body requires both maternal and larval contribution Jaglarz, Mariusz K. Tworzydlo, Waclaw Rak, Agnieszka Kotula-Balak, Malgorzata Sekula, Malgorzata Bilinski, Szczepan M. Protoplasma Original Article Earwigs (Dermaptera) use different strategies to increase their reproductive success. Most species lay eggs; however, viviparity of the matrotrophic type has been reported in two groups: Hemimeridae and Arixeniidae. In Arixeniidae, offspring develop in two separate places: inside an ovary (the intraovarian phase) and within a uterus (the intrauterine phase). Both morphological and physiological aspects of viviparity in Arixeniidae have begun to be unraveled only recently. Here, we characterize how the first instar larvae of Arixenia esau, developing inside the mother’s reproductive system, manage respiration and gas exchange. Using modern light and electron microscopy techniques as well as immunological approach, we provide a detailed account of the maternal and larval tissue interactions during the intrauterine development. We demonstrate that respiration in the Arixenia first instar larvae relies on the extensive tracheal system of the mother as well as a respiratory pigment (hemocyanin) present within the body cavity of the larvae. Our results indicate that the larval fat body tissue is the likely place of the hemocyanin synthesis. Our study shows that characteristic cone-shaped lobes of the outgrowths located on the larval abdomen are a part of a placenta-like organ and mediate the gas exchange between the maternal and larval organisms. Based on the obtained results, we propose that Arixenia esau evolved a unique biphasic system supporting respiration of the first instar larvae during their development inside the mother’s reproductive tract. Springer Vienna 2019-06-19 2019 /pmc/articles/PMC6820587/ /pubmed/31218520 http://dx.doi.org/10.1007/s00709-019-01402-1 Text en © The Author(s) 2019 Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
spellingShingle Original Article
Jaglarz, Mariusz K.
Tworzydlo, Waclaw
Rak, Agnieszka
Kotula-Balak, Malgorzata
Sekula, Malgorzata
Bilinski, Szczepan M.
Viviparity in the dermapteran Arixenia esau: respiration inside mother’s body requires both maternal and larval contribution
title Viviparity in the dermapteran Arixenia esau: respiration inside mother’s body requires both maternal and larval contribution
title_full Viviparity in the dermapteran Arixenia esau: respiration inside mother’s body requires both maternal and larval contribution
title_fullStr Viviparity in the dermapteran Arixenia esau: respiration inside mother’s body requires both maternal and larval contribution
title_full_unstemmed Viviparity in the dermapteran Arixenia esau: respiration inside mother’s body requires both maternal and larval contribution
title_short Viviparity in the dermapteran Arixenia esau: respiration inside mother’s body requires both maternal and larval contribution
title_sort viviparity in the dermapteran arixenia esau: respiration inside mother’s body requires both maternal and larval contribution
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6820587/
https://www.ncbi.nlm.nih.gov/pubmed/31218520
http://dx.doi.org/10.1007/s00709-019-01402-1
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