Annexin 1 Is a Component of eATP-Induced Cytosolic Calcium Elevation in <i>Arabidopsis thaliana</i> Roots
Extracellular ATP (eATP) has long been established in animals as an important signalling molecule but this is less understood in plants. The identification of <i>Arabidopsis thaliana</i> DORN1 (Does Not Respond to Nucleotides) as the first plant eATP receptor has shown that it is fundame...
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doaj-1f760e8392d14768ba4d42cadf21d3c42021-01-07T00:03:35ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672021-01-012249449410.3390/ijms22020494Annexin 1 Is a Component of eATP-Induced Cytosolic Calcium Elevation in <i>Arabidopsis thaliana</i> RootsAmirah Mohammad-Sidik0Jian Sun1Ryoung Shin2Zhizhong Song3Youzheng Ning4Elsa Matthus5Katie A. Wilkins6Julia M. Davies7Department of Plant Sciences, University of Cambridge, Cambridge CB2 3EA, UKSchool of Life Sciences, Jiangsu Normal University, Xuzhou 221116, ChinaRIKEN Centre for Sustainable Resource Science, Yokohama, Kanagawa 230-0045, JapanSchool of Agriculture, Ludong University, Yantai 264205, ChinaDepartment of Plant Sciences, University of Cambridge, Cambridge CB2 3EA, UKDepartment of Plant Sciences, University of Cambridge, Cambridge CB2 3EA, UKDepartment of Plant Sciences, University of Cambridge, Cambridge CB2 3EA, UKDepartment of Plant Sciences, University of Cambridge, Cambridge CB2 3EA, UKExtracellular ATP (eATP) has long been established in animals as an important signalling molecule but this is less understood in plants. The identification of <i>Arabidopsis thaliana</i> DORN1 (Does Not Respond to Nucleotides) as the first plant eATP receptor has shown that it is fundamental to the elevation of cytosolic free Ca<sup>2+</sup> ([Ca<sup>2+</sup>]<sub>cyt</sub>) as a possible second messenger. eATP causes other downstream responses such as increase in reactive oxygen species (ROS) and nitric oxide, plus changes in gene expression. The plasma membrane Ca<sup>2+</sup> influx channels involved in eATP-induced [Ca<sup>2+</sup>]<sub>cyt</sub> increase remain unknown at the genetic level. <i>Arabidopsis thaliana</i> Annexin 1 has been found to mediate ROS-activated Ca<sup>2+</sup> influx in root epidermis, consistent with its operating as a transport pathway. In this study, the loss of function Annexin 1 mutant was found to have impaired [Ca<sup>2+</sup>]<sub>cyt</sub> elevation in roots in response to eATP or eADP. Additionally, this annexin was implicated in modulating eATP-induced intracellular ROS accumulation in roots as well as expression of eATP-responsive genes.https://www.mdpi.com/1422-0067/22/2/494extracellular ATPADProot<i>Arabidopsis</i>annexin 1calcium |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Amirah Mohammad-Sidik Jian Sun Ryoung Shin Zhizhong Song Youzheng Ning Elsa Matthus Katie A. Wilkins Julia M. Davies |
spellingShingle |
Amirah Mohammad-Sidik Jian Sun Ryoung Shin Zhizhong Song Youzheng Ning Elsa Matthus Katie A. Wilkins Julia M. Davies Annexin 1 Is a Component of eATP-Induced Cytosolic Calcium Elevation in <i>Arabidopsis thaliana</i> Roots International Journal of Molecular Sciences extracellular ATP ADP root <i>Arabidopsis</i> annexin 1 calcium |
author_facet |
Amirah Mohammad-Sidik Jian Sun Ryoung Shin Zhizhong Song Youzheng Ning Elsa Matthus Katie A. Wilkins Julia M. Davies |
author_sort |
Amirah Mohammad-Sidik |
title |
Annexin 1 Is a Component of eATP-Induced Cytosolic Calcium Elevation in <i>Arabidopsis thaliana</i> Roots |
title_short |
Annexin 1 Is a Component of eATP-Induced Cytosolic Calcium Elevation in <i>Arabidopsis thaliana</i> Roots |
title_full |
Annexin 1 Is a Component of eATP-Induced Cytosolic Calcium Elevation in <i>Arabidopsis thaliana</i> Roots |
title_fullStr |
Annexin 1 Is a Component of eATP-Induced Cytosolic Calcium Elevation in <i>Arabidopsis thaliana</i> Roots |
title_full_unstemmed |
Annexin 1 Is a Component of eATP-Induced Cytosolic Calcium Elevation in <i>Arabidopsis thaliana</i> Roots |
title_sort |
annexin 1 is a component of eatp-induced cytosolic calcium elevation in <i>arabidopsis thaliana</i> roots |
publisher |
MDPI AG |
series |
International Journal of Molecular Sciences |
issn |
1661-6596 1422-0067 |
publishDate |
2021-01-01 |
description |
Extracellular ATP (eATP) has long been established in animals as an important signalling molecule but this is less understood in plants. The identification of <i>Arabidopsis thaliana</i> DORN1 (Does Not Respond to Nucleotides) as the first plant eATP receptor has shown that it is fundamental to the elevation of cytosolic free Ca<sup>2+</sup> ([Ca<sup>2+</sup>]<sub>cyt</sub>) as a possible second messenger. eATP causes other downstream responses such as increase in reactive oxygen species (ROS) and nitric oxide, plus changes in gene expression. The plasma membrane Ca<sup>2+</sup> influx channels involved in eATP-induced [Ca<sup>2+</sup>]<sub>cyt</sub> increase remain unknown at the genetic level. <i>Arabidopsis thaliana</i> Annexin 1 has been found to mediate ROS-activated Ca<sup>2+</sup> influx in root epidermis, consistent with its operating as a transport pathway. In this study, the loss of function Annexin 1 mutant was found to have impaired [Ca<sup>2+</sup>]<sub>cyt</sub> elevation in roots in response to eATP or eADP. Additionally, this annexin was implicated in modulating eATP-induced intracellular ROS accumulation in roots as well as expression of eATP-responsive genes. |
topic |
extracellular ATP ADP root <i>Arabidopsis</i> annexin 1 calcium |
url |
https://www.mdpi.com/1422-0067/22/2/494 |
work_keys_str_mv |
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