The chemical mediator for this change from asexual to sexual reproduction turns out to be progesterone -- a simple molecule that also plays a vital role in regulating reproduction and sexual development in humans and many other species .
The new discovery may change scientific understanding of the evolution and function of progesterone in living things .
现在的新发现,可能会改变我们对生物的进化和孕酮(孕激素)功能的科学认识。
Scientists have discovered the female sex hormone progesterone in a walnut tree , shaking up what 's known about the different between plants and animals .
科学家们在一棵核桃树里发现了女性荷尔蒙孕酮,这个发现动摇了众所周知的植物与动物之间的区别。
First synthesised in 1951 by austrian carl djerassi , progestin stops ovulation by imitating the hormone progesterone .
1951年,奥地利人卡尔杰罗西首次合成了这种药物,它通过模仿孕酮激素的作用制止卵子产生。
Oral contraceptives contain a synthetic version of progesterone , which studies suggest can lead to depression in some women .
口服避孕药包含了人造孕酮的成分,研究表明这种成分会引发某些女性抑郁。
Women with autoimmune progesterone dermatitis develop allergic rashes to their own sex hormones , in rare cases going into full-on shock .
有自身免疫性黄体酮皮炎的女性会对她们自己的性荷尔蒙产生过敏性发疹,在少数情况下会发生完全休克。
Birth control pills and shots affect estrogen and progesterone levels and may ease asthma symptoms in some women .
避孕药和避孕环会影响雌激素和孕激素水平,并且对于一些妇女来说可能会减轻哮喘的症状。
Hormone replacement with estrogen or progesterone may improve asthma symptoms in some women who have gone through menopause .
雌激素和孕激素的替代可能会使一些快要绝经的妇女哮喘症改善。
Exercise may also help reduce levels of the female hormones estrogen and progesterone in the blood potentially also lowering the risk of developing breast and uterine cancers linked to high levels of those hormones .
Exercise may also help reduce levels of the female hormones estrogen and progesterone in the blood , potentially also lowering the risk of developing breast and uterine cancers linked to high levels of those hormones .