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首页> 外文期刊>Protoplasma: An International Journal of Cell Biology >Viviparity in the dermapteran Arixenia esau: respiration inside mother's body requires both maternal and larval contribution
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Viviparity in the dermapteran Arixenia esau: respiration inside mother's body requires both maternal and larval contribution

机译：Dermaperan Arixenia Asau的viviparity：母亲身体内部的呼吸需要母亲和幼虫贡献

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摘要

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 placentalike 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.
机译：Earwigs（Dermaptera）使用不同的策略来增加他们的生殖成功。大多数物种产卵;然而，两组：Hemimeridae和Arixeniidae的术语患者的viviparity已经报告。在arixeniidae，后代在两个独立的地方发展：在卵巢内（宫内期）和子宫内（宫内相）。 arixeniidae的viviparity的形态和生理方面都已经开始才能解开。在这里，我们的特征是如何在母亲的生殖系统内部发展亚昔征的第一个Instar幼虫，管理呼吸和气体交换。采用现代光和电子显微镜技术以及免疫方法，我们在宫内发育期间提供了母体和幼虫组织相互作用的详细叙述。我们表明，亚昔尼亚的呼吸急诊幼虫依赖于母亲的广泛气管系统以及存在于幼虫体腔内的呼吸颜料（血红蛋白）。我们的结果表明，幼虫脂肪体组织是血红素素合成的可能位置。我们的研究表明，位于幼虫腹部的生长的特征锥形裂片是胎盘器官的一部分，并介导母体和幼虫生物之间的气体交换。根据所获得的结果，我们提出了Arixenia esau在他们在母亲的生殖道内部发展期间推动了一个独特的双相系统，支持第一龄幼虫的呼吸。

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    Mariusz K. Jaglarz; Waclaw Tworzydlo; Agnieszka Rak; Malgorzata Kotula-Balak; Malgorzata Sekula; Szczepan M. Bilinski;

  • 作者单位

    Department of Developmental Biology and Invertebrate Morphology Institute of Zoology and Biomedical Research Faculty of Biology Jagiellonian University Gronostajowa 9 30-387 Krakow Poland;

    Department of Developmental Biology and Invertebrate Morphology Institute of Zoology and Biomedical Research Faculty of Biology Jagiellonian University Gronostajowa 9 30-387 Krakow Poland;

    Department of Physiology and Toxicology of Reproduction Institute of Zoology and Biomedical Research Faculty of Biology Jagiellonian University Gronostajowa 9 30-387 Krakow Poland;

    Department of Endocrinology Institute of Zoology and Biomedical Research Faculty of Biology Jagiellonian University Gronostajowa 9 30-387 Krakow Poland;

    Department of Developmental Biology and Invertebrate Morphology Institute of Zoology and Biomedical Research Faculty of Biology Jagiellonian University Gronostajowa 9 30-387 Krakow Poland;

    Department of Developmental Biology and Invertebrate Morphology Institute of Zoology and Biomedical Research Faculty of Biology Jagiellonian University Gronostajowa 9 30-387 Krakow Poland;

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  • 正文语种 eng
  • 中图分类 细胞形态学;
  • 关键词

    Respiration; Dermaptera; Tracheae; Hemocyanin; Fat body; Insects;

    机译：呼吸;Dermaptera;Tracheae;血红蛋白;脂肪体;昆虫;

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