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首页> 外文期刊>Trends in Plant Science >Establishing a growth axis in fucoid algae
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Establishing a growth axis in fucoid algae

机译:建立岩藻藻类的生长轴

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Recent studies Indicate that fucoid zygotes establish developmental polarity much earlier than previously thought. A growth axis is first set in place at fertilization, with the site of sperm entry defining the rhizoid pole of the axis. This initial axis is a default axis, which is only used as the final growth axis if the zygote falls to detect spatial cues (such as sunlight) in its intertidal environment. However, the zygote usually senses vectorial information; it then abandons the sperm-induced axis and assembles a new axis de novo in accordance with the perceived vector(s).
机译:最近的研究表明,岩藻糖合子比以前认为的要早得多建立发育极性。首先在受精时将生长轴放置在适当的位置,精子进入的位置定义了该轴的根状极。该初始轴是默认轴,如果合子落入潮间环境中以检测空间线索(例如阳光),则该默认轴仅用作最终生长轴。但是,合子通常感觉到矢量信息。然后它放弃了精子诱导的轴,并根据感知到的向量重新组装了新的轴。

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