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Natural variation in phytochrome signaling

机译:植物色素信号传导的自然变化

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摘要

The phytochromes, photoreceptors sensitive to red and far-red light, are critical for sensing foliage shade, canopy breaks, and neighbor proximity. A combination of molecular genetic, evolutionary, and ecological techniques are being used to understand how phytochromes function in the natural environment. We discuss studies on the adaptive value of phytochrome mediated plasticity, as well as the role that variation in phytochrome expression and function might play in allowing plants to adapt to unique light environments. Continued study of phytochrome signaling variation may reveal how natural selection acts at the molecular level.
机译:植物色素是对红色和远红色光敏感的感光体,对于检测树叶的阴影,冠层破裂和邻近度至关重要。结合了分子遗传,进化和生态技术,以了解植物色素在自然环境中的功能。我们讨论了有关植物色素介导的可塑性的适应性价值的研究,以及植物色素表达和功能变化在使植物适应独特的光照环境中可能发挥的作用。对植物色素信号传导变化的持续研究可能揭示自然选择如何在分子水平上起作用。

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