Chapter 31

Reactive Sulfur Species

A New Player in Plant Physiology?

Martin Clemens Gruhlke

Martin Clemens Gruhlke

Institute of Plant Physiology (Bio III), RWTH Aachen University, Aachen, Germany

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First published: 05 July 2019
Citations: 11

Summary

Both Reactive Oxygen Species (ROS) and Reactive Nitrogen Species (RNS) are known to have important functions in developmental and defense processes in plants. Still, a role for Reactive Sulfur Species (RSS) in plants was only very limited discussed so far, although also these reactive species seem to be of importance for the physiology of the plant. Many defense compounds fulfill the requirements of RSS' definition, but also some RSS have distinctive other roles in plants like growth regulation or induction of plant resistance.

In this chapter, we discuss the nature and biogenesis of RSS in plants and their role in plant physiology regarding development and pathogen/pest resistance with a special focus on antimicrobial and, more general, biocidal activity.

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