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The mechanisms of reversible immobilization of flows spermatozoa at body temperature
http://hdl.handle.net/10458/700
http://hdl.handle.net/10458/70002326586-5ab9-4a4d-af97-84e30b13368f
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
ashizawa31.pdf (777.6 kB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2007-10-10 | |||||
| タイトル | ||||||
| タイトル | The mechanisms of reversible immobilization of flows spermatozoa at body temperature | |||||
| 言語 | en | |||||
| タイトル | ||||||
| タイトル | Reversible immobilization of fowl spermatozoa | |||||
| 言語 | en | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| キーワード | ||||||
| 言語 | ja | |||||
| 主題Scheme | Other | |||||
| キーワード | 精子 | |||||
| キーワード | ||||||
| 言語 | en | |||||
| 主題Scheme | Other | |||||
| キーワード | sperm, Spermatozoa, motility, immobilization, temperature, fowl | |||||
| 資源タイプ | ||||||
| 資源タイプ | journal article | |||||
| 著者 |
芦沢, 幸二
× 芦沢, 幸二× Maeda, S.× Okauchi, K. |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | Intact fowl spermatozoa became almost immotile at 40°C, but motility increased significantly at 30°C. The oxygen consumption at both temperatures was 8-11 μl O2/1010 spermatozoa · min-1. The ATP concentration at 40°C was higher than that at 30°C but ADP concentration at 30°C was higher than that at 40°C. Consequently, the ATP/ADP ratio at 30°C （1.9-2.2） increased to 3.5-3.7 at 40°C. The motility of intact spermatozoa at 40°C was effectively restored by 2 mM-Ca2+, 10% seminal plasma and 10% peritoneal fluid taken at the time of ovulation. In contrast, these effectors did not restore the motility of demembranated spermatozoa at 40°C. Motility of demembranated spermatozoa was restored at 30°C. These results suggest that the immobilization of fowl spermatozoa at 40°C occurs due to a decrease in flagellar dynein ATPase activity. Furthermore, the action of effectors for motility such as Ca2+ may not be directly on the axoneme, but mediated by solubilized substances which have been removed by demembranation of the spermatozoa. | |||||
| 言語 | en | |||||
| 内容記述 | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | Disclaimer. This is not the definitive version of record of this article. This manuscript has been accepted for publication in Reproduction, but the version presented here has not yet been copy edited, formatted or proofed. Consequently, neither Reproduction, the Society for Reproduction and Fertility nor its publisher, BioScientifica Ltd, accepts responsibility for any errors or omissions it may contain. 1989Society for Reproduction and Fertility. | |||||
| 言語 | en | |||||
| 書誌情報 |
en : Journal of reproduction and fertility 巻 86, 号 1, p. 271-276, 発行日 1989 |
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| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 00224251 | |||||
| 書誌レコードID | ||||||
| 収録物識別子タイプ | NCID | |||||
| 収録物識別子 | AA00705952 | |||||
| 著者版フラグ | ||||||
| 出版タイプ | AM | |||||
