Light-sensitive Phytochrome-Interacting Factors (PIFs) are not required to regulate phytoene synthase gene expression in the root

Plant Signaling & Behavior
M Águila Ruiz-SolaManuel Rodríguez-Concepción

Abstract

Carotenoids are plastidial isoprenoids essential for the protection of photosynthetic tissues against excess light. They also serve as precursors of apocarotenoid hormones such as abscisic acid (ABA) and strigolactones. The first enzyme of the carotenoid pathway, phytoene synthase (PSY), is also the main rate-limiting step. Unlike that observed in most plants, PSY is encoded by a single gene in Arabidopsis thaliana. Whereas the PSY gene is induced by light in photosynthetic tissues, a root-specific upregulation of PSY expression by salt stress and ABA has been recently demonstrated. Here we report that transcription factors of the Phytochrome-Interacting Factor (PIF) family, previously shown to repress PSY expression in etiolated seedlings and mature leaves, do not influence PSY expression in roots. Together, our results suggest that organ-specific pathways regulate PSY expression and hence carotenoid production in response to different environmental cues.

References

Apr 20, 2001·Current Opinion in Plant Biology·J Hirschberg
Mar 9, 2004·Progress in Lipid Research·Paul D Fraser, Peter M Bramley
Mar 12, 2004·Annual Review of Plant Physiology and Plant Molecular Biology·Krishna K. Niyogi
Oct 27, 2004·Proceedings of the National Academy of Sciences of the United States of America·Elena MontePeter H Quail
May 3, 2005·Annual Review of Plant Biology·Eiji Nambara, Annie Marion-Poll
Nov 4, 2006·Plant, Cell & Environment·Crispin A Howitt, Barry J Pogson
Jan 16, 2007·The Plant Journal : for Cell and Molecular Biology·Jaimie M Van Norman, Leslie E Sieburth
Mar 31, 2007·Science·Shai KoussevitzkyJoanne Chory
Nov 3, 2007·Science·Siobhan M BradyPhilip N Benfey
Jul 15, 2009·The Plant Journal : for Cell and Molecular Biology·Antía Rodríguez-VillalónManuel Rodríguez-Concepción
Oct 15, 2009·Plant Signaling & Behavior·Antía Rodríguez-VillalónManuel Rodríguez-Concepción
Jun 11, 2010·Proceedings of the National Academy of Sciences of the United States of America·Gabriela Toledo-OrtizManuel Rodríguez-Concepción
Aug 7, 2010·Annual Review of Phytopathology·Xiaonan XieKoichi Yoneyama
Aug 27, 2010·Current Opinion in Plant Biology·On Sun Lau, Xing Wang Deng
Sep 14, 2010·Trends in Plant Science·Pablo Leivar, Peter H Quail
Feb 16, 2011·Natural Product Reports·Michael H Walter, Dieter Strack
Mar 19, 2011·Journal of Plant Research·Yasunari FujitaKazuko Yamaguchi-Shinozaki
May 15, 2012·The Arabidopsis Book·M Águila Ruiz-Sola, Manuel Rodríguez-Concepción

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Citations

Dec 10, 2015·The Plant Journal : for Cell and Molecular Biology·Briardo LlorenteManuel Rodriguez-Concepcion

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