The effect of external Ca2+ and Ca2+-channel modulators on red-light-induced swelling of protoplasts of Phaseolus radiatus L.
The effect of external Ca2+ and Ca2+-channel modulators on red-light-induced swelling of protoplasts of Phaseolus radiatus L.
复制标题
外部Ca2+和Ca2+通道调节剂对红光诱导的菜豆原生质体膨胀的影响。
DOI：
10.1038/cr.1998.5
复制
发表时间：
1998
期刊：
影响因子：
44.1
通讯作者：
R. Pan
中科院分区：
文献类型：
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作者：
C. Long;Xiao Jing Wang;R. Pan
Red-light-induced swelling of the protoplasts isolated from hypocotyl of etiolated mung bean (Phaseolus radiatus L.) was observed only when Ca 2+ ions were present in the medium. The optimal CaCl 2 concentration was 250μM. Swelling response declined when Ca 2+ was supplied into the medium after red light irradiation. The Ca 2+ chelator EGTA eliminated the red-light-induced swelling and 45 Ca 2+ accumulation in the protoplasts. In contrast, A 23187, a Ca 2+-ionophore, could mimic the effect of red light in darkness. These results indicate that Ca 2+ may play a role in light signal transduction. In addition, swelling response was prevented by TFP and CPZ (both are CaM antagonists), implying the involvement of CaM in red-light-induced and Ca 2+-dependent protoplast swelling.
TAKAGI,S.：植物生理学。
DOI：
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