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Front. Plant Sci. | doi: 10.3389/fpls.2019.01021

Selective autophagy of peroxisomes in plants: from housekeeping to development and stress responses

  • 1Spanish National Research Council (CSIC), Spain
  • 2Departamento de Bioquímica, Biología Celular y Molecular de Plantas, Estación Experimental del Zaidín (EEZ), Spain

Peroxisomes are dynamic organelles involved in multiple functions including oxygen and nitrogen reactive species metabolism. In plants, these organelles have a close relationship with chloroplasts and mitochondria characterized by intense metabolic activity and signal transduction. Peroxisomes undergo rapid changes in size, morphology and abundance depending on the plant development stage and environmental conditions. As they are not only essential for redox homeostasis but also for sensing stress, signalling transduction and cell survival, their formation and degradation need to be rigorously regulated. In this review, new insights into the regulation of plant peroxisomes are briefly described, with a particular emphasis on pexophagy components and their regulation.

Keywords: ATGs,, peroxins, pexophagy, Plants, ROS

Received: 17 Apr 2019; Accepted: 22 Jul 2019.

Copyright: © 2019 Sandalio and Olmedilla. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence: Prof. Luisa M. Sandalio, Spanish National Research Council (CSIC), Madrid, Spain, luisamaria.sandalio@eez.csic.es