The influence of Prostaglandin E2 on oviposition in Teleogryllus commodus
The influence of Prostaglandin E2 on oviposition in Teleogryllus commodus
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前列腺素E2对Teleogryllus commodus产卵的影响
DOI：
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发表时间：
1979
期刊：
影响因子：
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通讯作者：
W. Loher
中科院分区：
文献类型：
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作者：
W. Loher
交配是许多昆虫产卵的先决条件（Engelmann，1970; Labeyrie，1970; Leopold，1976）。在直翅目中，源自附属腺的分泌物对血足黑蝗（Melanoplus sanguinipes）的产卵和繁殖力具有刺激作用（Pickford等人，1969）和Schistocerca gregaria（Leahy，1973）。另一方面，在蟋蟀Teleogryllus commodus中，来自睾丸的化学未鉴定的交配因子在交配行为期间与精包一起转移，在24小时内引起产卵，并对卵母细胞生长具有刺激性的长期影响（Loher & Edson，1973）。最近，已经在家蟋蟀Acheta acuticus的睾丸中发现了前列腺素合成酶（Destephano等人，1974年，1976年）。在交配过程中，它与精荚一起转移到缺乏这种酶的雌性，在那里它显然将花生四烯酸转化为花生四烯酸，这反过来又导致卵子释放（Destephano和布雷迪，1977年）。众所周知，前列腺素在哺乳动物生殖中具有多种调节作用（Badr，1975; Embrey，1975）。雄蟋蟀的生殖腺中含有异黄酮，而雌蟋蟀的生殖腺中含有异黄酮，这一发现提供了一种有趣的可能性，即T. commodus可能是一种相同或相似的化合物，可能不仅提供了如在housecricket中所示的卵释放的基础，而且还提供了在T.康莫德斯
Mating as a prerequisite for oviposition has been documented in many insects (Engelmann, 1970; Labeyrie, 1970; Leopold, 1976). In orthoptera, secretions originating from the accessory glands have a stimulatory effect upon egg-release and fecundity in the acridids Melanoplus sanguinipes (Pickford et al., 1969) and Schistocerca gregaria (Leahy, 1973). On the other hand, in the cricket Teleogryllus commodus, a chemically unidentified mating factor from the testes, transferred with the spermatophore during the mating act, causes oviposition within 24 hr and has a stimulatory long-term effect upon oocyte growth (Loher & Edson, 1973). Recently, prostaglandin synthetase has been found in the testes of the house cricket, Acheta domesticus (Destephano et al., 1974, 1976). During mating, it is transferred with the spermatophore to the female, which lacks the enzyme, where it apparently converts arachidonic acid into prostaglandins, which in turn cause egg release (Destephano & Brady, 1977). Prostaglandins are well-known for their multiple regulatory effects in mammalian reproduction (Badr, 1975; Embrey, 1975). The discovery that prostaglandins occur in the gonads of the male housecricket and, in the female, stimulate egg deposition offers the interesting possibility that the mating factor of T. commodus might be an identical or similar compound, perhaps providing the basis not only for egg release as shown in the housecricket, but also for the increased fecundity observed in T. commodus.