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Innovation, conservation, and repurposing of gene function in root cell type development
Author(s) -
Kaisa Kajala,
Mona Gouran,
Lidor ShaarMoshe,
G. Alex Mason,
Joel Rodríguez-Medina,
Dorota Kawa,
Germain Pauluzzi,
Mauricio Reynoso,
Alex CantóPastor,
Concepción Manzano,
Vincent Lau,
Mariana A S Artur,
Donnelly A. West,
Sharon B. Gray,
Alexander Borowsky,
Bryshal P. Moore,
Andrew I. Yao,
Kevin W. Morimoto,
Marko Bajic,
Elide Formentin,
Niba Nirmal,
Alan Rodriguez,
Asher Pasha,
Roger B. Deal,
Daniel J. Kliebenstein,
Torgeir R. Hvidsten,
Nicholas J. Provart,
Neelima Sinha,
Daniel E. Runcie,
Julia BaileySerres,
Siobhán M. Brady
Publication year - 2021
Publication title -
cell
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 26.304
H-Index - 776
eISSN - 1097-4172
pISSN - 0092-8674
DOI - 10.1016/j.cell.2021.04.024
Subject(s) - biology , arabidopsis , meristem , gene , cell type , repurposing , microbiology and biotechnology , transcription factor , gene regulatory network , function (biology) , regulation of gene expression , cell , botany , genetics , gene expression , ecology , mutant
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.

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