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Plant mechanosensing and Ca2+ transport.

机译:植物机械传感和Ca 2 + 的运输。

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摘要

Mechanical stimuli generate Ca2+ signals and influence growth and development in plants. Recently, candidates for Ca2+-permeable mechanosensitive (MS) channels have been identified. These channels are thought to be responsible for sensing osmotic shock, touch, and gravity. One candidate is the MscS-like (MSL) protein family, a homolog of the typical bacterial MS channels. Some of the MSL proteins are localized to plastids to maintain their shape and size. Another candidate is the mid1-complementing activity (MCA) protein family, which is structurally unique to the plant kingdom. MCA proteins are localized in the plasma membrane and are suggested to be involved in mechanosensing and to be functionally related to reactive oxygen species (ROS) signaling. Here, we review their structural features and role in planta.
机译:机械刺激产生Ca 2 + 信号并影响植物的生长发育。最近,已经确定了Ca 2 + 渗透性机械敏感(MS)通道的候选对象。这些通道被认为负责感知渗透压,触摸和重力。一个候选者是MscS样(MSL)蛋白家族,它是典型细菌MS通道的同源物。一些MSL蛋白位于质体中,以保持其形状和大小。另一个候选对象是Mid1互补活性(MCA)蛋白家族,该结构在植物界中是独特的。 MCA蛋白位于质膜中,并建议参与机械传感并与活性氧(ROS)信号传导功能相关。在这里,我们回顾它们的结构特征和在植物中的作用。

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