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More to it than meets the finger

机译：胜于手指

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There is a huge cucumber growing in the middle of our lawn. I paid it a visit the other day, pushing aside the huge leaves, and in so doing got stung on the tips of my fingers. I knew the sting came from the small hairs protruding from the stem but, until very recently, I had never given them much thought. Not until I discovered the world of trichomes. Trichomes and I have been co-habiting for many years. They give out stings or release perfume. They feel like velvet. Or like an unshaven chin. They are on my poppies, on my geraniums, on the nettles, on the tomatoes, all over my son's cactus and on the cucumber plant's stems. In truth, most plants have trichomes. Trichomes look like hairs and protrude from a plant's leaf, stem or flower. Very little attention had been given to them by scientists when they were first observed, well over a century ago. However, trichomes have turned out to be precious minute entities on the surface of plants and we now know of a protein which has a direct role in trichome differentiation: trichome differentiation protein GL1.
机译：我们的草坪中间长着一个大黄瓜。前几天，我去拜访了一下，把那片硕大的叶子推开了，这样做刺痛了我的指尖。我知道刺痛来自茎上突出的小毛发，但是直到最近，我还没有给他们太多的想法。直到我发现毛线虫的世界。 Trichomes和我已经同居多年。他们发出刺痛或释放香水。他们感觉像天鹅绒。或像个下巴的下巴。它们在我的罂粟花，我的天竺葵，荨麻，西红柿，我儿子的仙人掌上以及黄瓜植株的茎上。实际上，大多数植物都有毛。滴虫看起来像头发，从植物的叶子，茎或花中伸出。一百多年前，首次观察到科学家时，对它们的关注很少。然而，毛状体已被证明是植物表面上的宝贵的微小实体，我们现在知道一种在毛状体分化中具有直接作用的蛋白质：毛状体分化蛋白GL1。

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