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- Title
Role of Ca2+ on Triggering Tonoplast Action Potential in Intact Nitella flexilis.
- Authors
Kikuyama, Munehiro; Shimmen, Teruo
- Abstract
Sensitive aequorin was microinjected into the cytoplasm of Nitella flexilis to study the role of Ca2+ in the generation of the tonoplast action potential. The temporal relation between the increase in cytoplasmic Ca2+ and the tonoplast action potential suggested that tonoplast action potential is triggered by an increase in cytoplasmic Ca2+. This is also supported by the fact that Mn2+, extracellularly applied, inhibited both the increase in cytoplasmic Ca2+ and the generation of the tonoplast action potential.
- Subjects
CALCIUM metabolism; TONOPLASTS; ACTION potentials; NITELLA; AEQUORIN; CYTOPLASM; CALCIUM ions
- Publication
Plant & Cell Physiology, 1997, Vol 38, Issue 8, p941
- ISSN
0032-0781
- Publication type
Article
- DOI
10.1093/oxfordjournals.pcp.a029255