A new take on organelle‐mediated stress sensing in plants

Summary Plants are able to adjust phenotype in response to changes in the environment. This system depends on an internal capacity to sense environmental conditions and to process this information to plant response. Recent studies have pointed to mitochondria and plastids as important environmental...

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Bibliographic Details
Published in:The New phytologist 2021-06, Vol.230 (6), p.2148-2153
Main Authors: Dopp, Isaac J., Yang, Xiaodong, Mackenzie, Sally A.
Format: Article
Language:English
Subjects:
chloroplast
Cytoplasmic organelles
Energy balance
Environmental changes
Environmental conditions
epigenetics
Gene expression
Information processing
Mitochondria
Phenotypes
Phenotypic plasticity
Plant growth substances
Plant hormones
Plastids
retrograde regulation
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Summary:Summary Plants are able to adjust phenotype in response to changes in the environment. This system depends on an internal capacity to sense environmental conditions and to process this information to plant response. Recent studies have pointed to mitochondria and plastids as important environmental sensors, capable of perceiving stressful conditions and triggering gene expression, epigenomic, metabolic and phytohormone changes in the plant. These processes involve integrated gene networks that ultimately modulate the energy balance between growth and plant defense. This review attempts to link several unusual recent findings into a comprehensive hypothesis for the regulation of plant phenotypic plasticity.
ISSN:0028-646X
1469-8137
DOI:10.1111/nph.17333