The transcriptional integration of environmental cues with root cell type development

Mona Gouran; Siobhán M Brady

doi:10.1093/plphys/kiae425

journal article Open Access Sep 17, 2024

The transcriptional integration of environmental cues with root cell type development

Mona Gouran

Siobhán M Brady

Plant Physiology Vol. 196 No. 4 pp. 2150-2161 · Oxford University Press (OUP)

View at Publisher Save 10.1093/plphys/kiae425

Abstract

Abstract
Plant roots navigate the soil ecosystem with each cell type uniquely responding to environmental stimuli. Below ground, the plant's response to its surroundings is orchestrated at the cellular level, including morphological and molecular adaptations that shape root system architecture as well as tissue and organ functionality. Our understanding of the transcriptional responses at cell type resolution has been profoundly enhanced by studies of the model plant Arabidopsis thaliana. However, both a comprehensive view of the transcriptional basis of these cellular responses to single and combinatorial environmental cues in diverse plant species remains elusive. In this review, we highlight the ability of root cell types to undergo specific anatomical or morphological changes in response to abiotic and biotic stresses or cues and how they collectively contribute to the plant's overall physiology. We further explore interconnections between stress and the temporal nature of developmental pathways and discuss examples of how this transcriptional reprogramming influences cell type identity and function. Finally, we highlight the power of single-cell and spatial transcriptomic approaches to refine our understanding of how environmental factors fine tune root spatiotemporal development. These complex root system responses underscore the importance of spatiotemporal transcriptional mapping, with significant implications for enhanced agricultural resilience.

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Details

Published: Sep 17, 2024
Vol/Issue: 196(4)
Pages: 2150-2161
License: View

Authors

M

Mona Gouran

Department of Plant Biology and Genome Center, UC Davis , Davis, CA 95616 ,

S

Siobhán M Brady

Department of Plant Biology and Genome Center, UC Davis , Davis, CA 95616 ,

Cite This Article

Mona Gouran, Siobhán M Brady (2024). The transcriptional integration of environmental cues with root cell type development. Plant Physiology, 196(4), 2150-2161. https://doi.org/10.1093/plphys/kiae425

The transcriptional integration of environmental cues with root cell type development

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