Early evolution of bHLH proteins in plants

Plant Signaling & Behavior
Nuno Pires, Liam Dolan

Abstract

Basic-helix-loop-helix (bHLH) proteins are a large family of eukaryotic transcription factors. In plants, they have been shown to be key regulators of a diverse array of developmental and metabolic pathways. We have recently shown that the diversity of bHLH proteins in angiosperms is ancient. Most of the bHLH subfamilies present in seed plants such as Arabidopsis thaliana and Oryza sativa are also present in early diverging groups of land plants, including mosses and lycophytes. In contrast, the diversity of bHLH proteins is much lower in chlorophytes (green algae) and red algae. This suggests that the bHLH family underwent a large expansion before or soon after the appearance of the first land plants, but has subsequently remained relatively conserved throughout the evolution of plants on land. These observations support the developing paradigm that land plants (and other complex multicellular organisms) have evolved largely through the recruitment and reorganization of ancient gene regulatory networks.

References

Oct 13, 2006·Proceedings of the National Academy of Sciences of the United States of America·Yin-Long QiuCharles C Davis
Mar 6, 2007·Plant Physiology·Sandra RichardtStefan A Rensing
Jun 25, 2008·Current Opinion in Genetics & Development·Jane A Langdale
Sep 8, 2009·Molecular Biology and Evolution·Krishanu MukherjeeThomas R Bürglin
Nov 3, 2009·Current Opinion in Genetics & Development·Bernard M DegnanGemma S Richards
Nov 28, 2009·Molecular Biology and Evolution·Nuno Pires, Liam Dolan
Oct 1, 2004·American Journal of Botany·Louise A Lewis, Richard M McCourt

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Citations

Sep 6, 2011·Plant Science : an International Journal of Experimental Plant Biology·Rumi Tominaga-WadaTakuji Wada
Mar 25, 2017·Genome Biology and Evolution·Yongbo BaoSebastian M Shimeld
Feb 23, 2018·Annals of Botany·Clara Inés Ortiz-RamírezNatalia Pabón-Mora
Feb 14, 2020·Physiologia Plantarum·Sara ButiRonald Pierik
Apr 10, 2020·The Plant Journal : for Cell and Molecular Biology·Kanhu C Moharana, Thiago M Venancio
Aug 28, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Sayan ChakrabortyGuozhou Xu
Aug 8, 2021·International Journal of Molecular Sciences·Seonghoe JangYue-Ie Hsing

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