ArticlePlant signaling & behavior2010
Copper-induced calcium release from ER involves the activation of ryanodine-sensitive and IP(3)-sensitive channels in Ulva compressa.
Article in Plant signaling & behavior, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 19 citations in OpenAlex.
- Calcium signaling in plant mineral nutrition: From uptake to transport.Plant communications · 2023Review
- The Genome of the Marine AlgaInternational journal of molecular sciences · 2022Article
- Chlamydomonas reinhardtii cellular compartments and their contribution to intracellular calcium signalling.Journal of experimental botany · 2021Review
- Review
- Mechanisms of Copper Tolerance, Accumulation, and Detoxification in the Marine MacroalgaPlants (Basel, Switzerland) · 2020Review
- Article
- Copper-Induced Membrane Depolarizations Involve the Induction of Mosaic TRP Channels, Which Activate VDCC Leading to Calcium Increases in Ulva compressa.Frontiers in plant science · 2016Article
- Copper-induced activation of TRP channels promotes extracellular calcium entry, activation of CaMs and CDPKs, copper entry and membrane depolarization in Ulva compressa.Frontiers in plant science · 2015Article
- Aequorin-based luminescence imaging reveals stimulus- and tissue-specific Ca2+ dynamics in Arabidopsis plants.Molecular plant · 2013Article
- Copper-induced intracellular calcium release requires extracellular calcium entry and activation of L-type voltage-dependent calcium channels in Ulva compressa.Plant signaling & behavior · 2012Article
- Cross talk among calcium, hydrogen peroxide, and nitric oxide and activation of gene expression involving calmodulins and calcium-dependent protein kinases in Ulva compressa exposed to copper excess.Plant physiology · 2012Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The marine alga Ulva compressa (Chlorophyta) showed a triphasic release of intracellular calcium with maximal levels at 2, 3 and 12 h and a biphasic accumulation of intracellular hydrogen peroxide with peaks at 3 and 12 h when cultivated with copper excess. Intracellular hydrogen peroxide originated exclusively in organelles. In this work, we analyzed the intracellular origin of calcium release and the type of calcium channels activated in response to copper excess. U. compressa was treated with thapsigargin, an inhibitor of endoplasmic reticulum (ER) calcium ATPase, ryanodine, an inhibitor of ryanodine-sensitive channels, and xestospongin C, an inhibitor of inositol 1, 4, 5-triphosphate (IP(3))-sensitive channels. Thapsigargin induced the depletion of calcium stored in ER at 75 min and completely inhibited calcium release at 2, 3 and 12 h of copper exposure indicating that calcium release originated in ER. In addition, ryanodine and xestospogin C inhibited calcium release at 2 and 3 h of copper exposure whereas the peak at 12 h was only inhibited by ryanodine. Thus, copper induced the activation of ryanodine-sensitive and IP(3)-sensitive calcium channels in ER of U. compressa.
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