首页> 外文期刊>Biology Bulletin >Proliferation and Differentiation: Two Sequential Stages of Proliferative Center Activity in Embryonic Mushroom Bodies of Three Orthopterans, Gryllus bimaculatus Deg., Acheta domesticus L., and Schistocerca gregaria Forsk. (Insecta: Orthoptera)
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Proliferation and Differentiation: Two Sequential Stages of Proliferative Center Activity in Embryonic Mushroom Bodies of Three Orthopterans, Gryllus bimaculatus Deg., Acheta domesticus L., and Schistocerca gregaria Forsk. (Insecta: Orthoptera)

机译:增殖与分化:三个正交液中胚胎蘑菇体中增殖中心活性的两个连续阶段,Gryllus Bimaculatus Deg。,Acheta Domesticus L.和Schistocerca Gregaria Forsk。 (昆虫:Orthoptera)

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摘要

It is shown for the first time that, in three orthopterans (Gryllus bimaculatus, Acheta domesticus, and Schistocerca gregaria), the mushroom body proliferative centers pass two sequential stages of neurogenesis. At the first stage, they are built by symmetrically dividing proneuroblasts the activity of which augments the pool of the stem cells. At the beginning of the second stage, proneuroblasts transform into asymmetrically dividing mushroom body neuroblasts. Similarly to solitary neuroblasts, they give rise to daughter neuroblast and the ganglion mother cell, which divides symmetrically into two cells differentiating into the Kenyon cells. It is believed that the discovered course of neurogenesis in the embryonic proliferative centers of orthopteran mushroom bodies recalls the pattern described in the optic Anlagen of Drosophila melanogaster and other insects.
机译:蘑菇体增殖中心在三个正交床(Gryllus bimaculatus,Acheta domesticus和Schistocerca Gregaria)中首次显示,蘑菇体增殖中心通过了两种神经发生的两个连根阶段。在第一阶段,它们是通过对称分割骨髓细胞的活性来构建的,该活性增加了干细胞的池。在第二阶段的开始时,静脉血细胞转化为不对称地分开的蘑菇体神经细胞。与孤立的神经细胞类似,它们引起女儿神经细胞和神经节母细胞,其对称地分为分为kenyon细胞的两个细胞。据信,胚胎蘑菇体胚胎增殖中心中发现的神经发生过程召回了果蝇和其他昆虫的视神经中描述的模式。

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  • 来源
    《Biology Bulletin》 |2019年第3期|258-267|共10页
  • 作者

    Panov A. A.;

  • 作者单位

    Russian Acad Sci Severtsov Inst Ecol & Evolut Moscow 119071 Russia;

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  • 正文语种 eng
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