Effects of hypergravity on oocyte maturation in Xenopus laevis

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Developing oocytes arrest at the prophase of meiosis I, while the hormone progesterone restarts the process, leading to full maturation as fertile eggs. In this study we investigated the effects of hypergravity on this phase of maturation using oocytes of <i>Xenopus</i>. No differences were found between 2<i>G</i> and 5<i>G</i> treated groups and untreated controls regarding time to resumption of maturation, as judged by the appearance of a white spot in the animal hemisphere. However the white spot itself was larger and brighter in treated oocytes at time of appearance, and became even more pronounced as maturation proceeded. These findings suggest that although hypergravity does not affect the resumption of maturation, it might adversely affect the subsequent process and final results.

収録刊行物

  • 宇宙生物科学 = Biological sciences in space  

    宇宙生物科学 = Biological sciences in space 19(4), 242-244, 2005-12 

    Japanese Society for Biological Sciences in Space

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各種コード

  • NII論文ID(NAID)
    10018083577
  • NII書誌ID(NCID)
    AN10164806
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09149201
  • NDL 記事登録ID
    7982378
  • NDL 雑誌分類
    ZR1(科学技術--生物学) // ZM33(科学技術--宇宙科学)
  • NDL 請求記号
    Z18-2504
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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