Programmed cell death in plants: A chloroplastic connection

Plant Signaling & Behavior
Vivek AmbasthaBudhi Sagar Tiwari

Abstract

Programmed cell death (PCD) is an integral cellular program by which targeted cells culminate to demise under certain developmental and pathological conditions. It is essential for controlling cell number, removing unwanted diseased or damaged cells and maintaining the cellular homeostasis. The details of PCD process has been very well elucidated and characterized in animals but similar understanding of the process in plants has not been achieved rather the field is still in its infancy that sees some sporadic reports every now and then. The plants have 2 energy generating sub-cellular organelles- mitochondria and chloroplasts unlike animals that just have mitochondria. The presence of chloroplast as an additional energy transducing and ROS generating compartment in a plant cell inclines to advocate the involvement of chloroplasts in PCD execution process. As chloroplasts are supposed to be progenies of unicellular photosynthetic organisms that evolved as a result of endosymbiosis, the possibility of retaining some of the components involved in bacterial PCD by chloroplasts cannot be ruled out. Despite several excellent reviews on PCD in plants, there is a void on an update of information at a place on the regulation of PCD by ...Continue Reading

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Citations

Nov 14, 2019·Plants·Martín L MaytaAnabella F Lodeyro
Jul 11, 2019·Journal of Experimental Botany·Satpal TuranÜlo Niinemets
Mar 22, 2019·Scientific Reports·Anna R Bramucci, Rebecca J Case
Jul 24, 2020·Functional Plant Biology : FPB·Vivek AmbasthaBudhi Sagar Tiwari
Sep 10, 2020·Plant Science : an International Journal of Experimental Plant Biology·Fernanda ValandroAlexandro Cagliari

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Methods Mentioned

BETA
transgenic
GTPase

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