Root dynamic growth strategies in response to salinity

Increasing soil salinization largely impacts crop yield worldwide. To deal with salinity stress, plants exhibit an array of responses, including root system architecture remodelling. Here, we review recent progress in physiological, developmental and cellular mechanisms of root growth responses to s...

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Bibliographic Details
Published in:Plant, cell and environment Vol. 45; no. 3; pp. 695 - 704
Main Authors: Zou, Yutao, Zhang, Yanxia, Testerink, Christa
Format: Journal Article
Language:English
Published: United States Wiley Subscription Services, Inc 01.03.2022
John Wiley and Sons Inc
Subjects:
Cell walls
Computer architecture
Crop yield
Crops, Agricultural
development
environment
genome‐wide association studies (GWAS)
gravitropism
growth
phenotype
Phenotypes
Plant growth
plant root cells
Plant Roots - metabolism
root growth
root systems
Saline soils
Salinity
Salinity effects
Salinization
salt stress
Salt Tolerance - genetics
Soil
Soil dynamics
Soil salinity
soil salinization
Special Issue Review
Special Issue Reviews
Stress response
salinity
genome-wide association studies (GWAS)
development
growth
gravitropism
ISSN:0140-7791, 1365-3040, 1365-3040
Online Access:Get full text
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Summary:Increasing soil salinization largely impacts crop yield worldwide. To deal with salinity stress, plants exhibit an array of responses, including root system architecture remodelling. Here, we review recent progress in physiological, developmental and cellular mechanisms of root growth responses to salinity. Most recent research in modulation of root branching, root tropisms, as well as in root cell wall modifications under salinity stress, is discussed in the context of the contribution of these responses to overall plant performance. We highlight the power of natural variation approaches revealing novel potential pathways responsible for differences in root salt stress responses. Together, these new findings promote our understanding of how salt shapes the root phenotype, which may provide potential avenues for engineering crops with better yield and survival in saline soils. This review highlights recent research on the effect of soil salinity on root growth modulation. We discuss root architecture plasticity, root tropisms and root cell wall modifications under salinity stress in Arabidopsis thaliana and several crop species.
Bibliography:Funding information
China Scholarship Council; H2020 European Research Council, Grant/Award Number: 724321
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Funding information China Scholarship Council; H2020 European Research Council, Grant/Award Number: 724321
ISSN:0140-7791
1365-3040
1365-3040
DOI:10.1111/pce.14205