Innovation, conservation, and repurposing of gene function in root cell type development
- PMID: 34010619
- DOI: 10.1016/j.cell.2021.04.024
Innovation, conservation, and repurposing of gene function in root cell type development
Erratum in
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Innovation, conservation, and repurposing of gene function in root cell type development.Cell. 2021 Sep 16;184(19):5070. doi: 10.1016/j.cell.2021.08.032. Cell. 2021. PMID: 34534466 No abstract available.
Abstract
Plant species have evolved myriads of solutions, including complex cell type development and regulation, to adapt to dynamic environments. To understand this cellular diversity, we profiled tomato root cell type translatomes. Using xylem differentiation in tomato, examples of functional innovation, repurposing, and conservation of transcription factors are described, relative to the model plant Arabidopsis. Repurposing and innovation of genes are further observed within an exodermis regulatory network and illustrate its function. Comparative translatome analyses of rice, tomato, and Arabidopsis cell populations suggest increased expression conservation of root meristems compared with other homologous populations. In addition, the functions of constitutively expressed genes are more conserved than those of cell type/tissue-enriched genes. These observations suggest that higher order properties of cell type and pan-cell type regulation are evolutionarily conserved between plants and animals.
Keywords: cell types; evolution; exodermis; gene regulation; rice; root development; tomato; translatomes; xylem.
Copyright © 2021 The Author(s). Published by Elsevier Inc. All rights reserved.
Conflict of interest statement
Declaration of interests The authors declare no competing interests.
Comment in
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Plants upcycle gene functions to suit their roots.Trends Plant Sci. 2021 Oct;26(10):996-998. doi: 10.1016/j.tplants.2021.07.006. Epub 2021 Jul 17. Trends Plant Sci. 2021. PMID: 34284955
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