玉米原生质体中光敏色素对钙吸收调控的证据。

Evidence of regulation of calcium uptake by phytochrome in maize protoplasts.

作者信息

Das R, Sopory S K

出版信息

Biochem Biophys Res Commun. 1985 May 16;128(3):1455-60. doi: 10.1016/0006-291x(85)91103-9.

Abstract

Red light stimulated calcium uptake in maize leaf protoplasts upto 140% over the dark control. The stimulation was maximally noticed after 120 seconds of incubation and was reversed by far red light. 5-Hydroxytryptamine also enhanced calcium uptake in dark, upto the red level. A possible role of phosphoinositide for signal transduction in calcium uptake for phytochrome mediated responses in higher plants is suggested.

摘要

红光刺激玉米叶片原生质体对钙的吸收，比黑暗对照高出140%。在孵育120秒后刺激作用最为明显，且远红光可逆转这种刺激作用。5-羟色胺在黑暗中也能增强钙的吸收，使其达到红光处理时的水平。文中提出了磷酸肌醇在高等植物中光敏色素介导反应的钙吸收信号转导中可能发挥的作用。