Disruption of actin filaments induces mitochondrial Ca2+ release to the cytoplasm and [Ca2+]c changes in Arabidopsisroot hairs |
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| Authors: | Yuqing Wang Yingfang Zhu Yu Ling Haiyan Zhang Peng Liu František Baluška Jozef Šamaj Jinxing Lin Qinli Wang |
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| Affiliation: | (1) Key Laboratory of Photosynthesis and Molecular Environmental Physiology, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China;(2) Graduate School of Chinese Academy of Sciences, Beijing, 100049, China;(3) College of Agronomy and Biotechnology, China Agricultural University, Beijing, 100193, China;(4) Institute of Cellular and Molecular Botany, University of Bonn, Department of Plant Cell Biology, Kirschallee 1, D-53115 Bonn, Germany;(5) Centre of the Region Hana for Biotechnological and Agricultural Research, Faculty of Science, Palacky University, 78301 Olomouc, Czech Republic |
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| Abstract: | Background Mitochondria are dynamic organelles that move along actin filaments, and serve as calcium stores in plant cells. The positioning and dynamics of mitochondria depend on membrane-cytoskeleton interactions, but it is not clear whether microfilament cytoskeleton has a direct effect on mitochondrial function and Ca2+ storage. Therefore, we designed a series of experiments to clarify the effects of actin filaments on mitochondrial Ca2+ storage, cytoplasmic Ca2+ concentration ([Ca2+]c), and the interaction between mitochondrial Ca2+ and cytoplasmic Ca2+ in Arabidopsis root hairs. |
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