Phytomelatonin prevents bacterial invasion during nighttime

Xiaomin Li; Zed Rengel; Qi Chen

doi:10.1016/j.tplants.2021.12.008

Phytomelatonin prevents bacterial invasion during nighttime

Trends Plant Sci. 2022 Apr;27(4):331-334. doi: 10.1016/j.tplants.2021.12.008. Epub 2022 Jan 5.

Authors

Xiaomin Li¹, Zed Rengel², Qi Chen³

Affiliations

¹ Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China.
² UWA School of Agriculture and Environment, The University of Western Australia, Perth, WA 6009, Australia; Institute for Adriatic Crops and Karst Reclamation, 21000 Split, Croatia.
³ Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China. Electronic address: chenq0321@kust.edu.cn.

PMID: 34996703
DOI: 10.1016/j.tplants.2021.12.008

Abstract

Phytomelatonin is an emerging new plant hormone. The identification of phytomelatonin receptor 1 (PMTR1) has been a turning point for understanding phytomelatonin functions, but many uncertainties remain. Here we highlight how PMTR1-mediated phytomelatonin signaling closes stomata, not just to avoid water loss but also to prevent bacterial invasion at night.

Keywords: PMTR1; circadian stomatal closure; phytomelatonin; plant immunity.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Melatonin*
Plant Growth Regulators
Plant Stomata / physiology
Signal Transduction

Substances

Plant Growth Regulators
Melatonin