Calcium Signaling in Plant Programmed Cell Death

Cells

Jamshaid Hussain¹  Xiaohong Zhao²  Huimin Ren²  Wenjie Li²  Guoning Qi²  Shenkui Liu² 

[1] Department of Biotechnology, COMSATS University Islamabad, Abbottabad Campus, University Road, Abbottabad 22060, Pakistan;State Key Laboratory of Subtropical Silviculture, School of Forestry and Biotechnology, Zhejiang A & F University, Hangzhou 311300, China;

关键词: programmed cell death;    calcium signal;    hypersensitive response;    abiotic stress;    development;    signal crosstalk;   

DOI  :  10.3390/cells10051089

来源: DOAJ

【 摘 要 】

Programmed cell death (PCD) is a process intended for the maintenance of cellular homeostasis by eliminating old, damaged, or unwanted cells. In plants, PCD takes place during developmental processes and in response to biotic and abiotic stresses. In contrast to the field of animal studies, PCD is not well understood in plants. Calcium (Ca²⁺) is a universal cell signaling entity and regulates numerous physiological activities across all the kingdoms of life. The cytosolic increase in Ca²⁺ is a prerequisite for the induction of PCD in plants. Although over the past years, we have witnessed significant progress in understanding the role of Ca²⁺ in the regulation of PCD, it is still unclear how the upstream stress perception leads to the Ca²⁺ elevation and how the signal is further propagated to result in the onset of PCD. In this review article, we discuss recent advancements in the field, and compare the role of Ca²⁺ signaling in PCD in biotic and abiotic stresses. Moreover, we discuss the upstream and downstream components of Ca²⁺ signaling and its crosstalk with other signaling pathways in PCD. The review is expected to provide new insights into the role of Ca²⁺ signaling in PCD and to identify gaps for future research efforts.

【 授权许可】

Unknown