Starch as a determinant of plant fitness under abiotic stress

Abiotic stresses, such as drought, high salinity and extreme temperatures, pose one of the most important constraints to plant growth and productivity in many regions of the world. A number of investigations have shown that plants, including several important crops, remobilize their starch reserve t...

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Bibliographic Details
Published in:The New phytologist 2017-05, Vol.214 (3), p.943-951
Main Authors: Thalmann, Matthias, Santelia, Diana
Format: Article
Language:English
Subjects:
Abiotic stress
abscisic acid (ABA)
alpha‐amylase
beta‐amylase
Drought
Environmental conditions
Fitness
Genetic Fitness
Metabolism
Metabolites
Models, Biological
Plant growth
Plants - enzymology
Plants - metabolism
Productivity
Starch
Starch - metabolism
Stress, Physiological
Stresses
Sugar
sugars
Tansley insight
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Summary:Abiotic stresses, such as drought, high salinity and extreme temperatures, pose one of the most important constraints to plant growth and productivity in many regions of the world. A number of investigations have shown that plants, including several important crops, remobilize their starch reserve to release energy, sugars and derived metabolites to help mitigate the stress. This is an essential process for plant fitness with important implications for plant productivity under challenging environmental conditions. In this Tansley insight, we evaluate the current literature on starch metabolism in response to abiotic stresses, and discuss the key enzymes involved and how they are regulated.
ISSN:0028-646X
1469-8137
DOI:10.1111/nph.14491