A New Approach to the Study of Plastidial Stress Granules: The Integrated Use of and as Model Organisms.

The field of stress granules (SGs) has recently emerged in the study of the plant stress response, yet these structures, their dynamics and importance remain poorly characterized. There is currently a gap in our understanding of the physiological function of SGs during stress. Since there are only a few studies addressing SGs , which are primarily focused on cytoplasmic SGs. The recent observation of SG-like foci in the chloroplast (cpSGs) of opened even more questions regarding the role of these subcellular features. In this opinion article, we review the current knowledge of cpSGs and propose a workflow for the joint use of the long-established model organisms and to accelerate the evaluation of individual plant cpSGs components and their impact on stress responses. Finally, we present a short outlook and what we believe are the significant gaps that need to be addressed in the following years.