Identification of a regulatory subunit of protein phosphatase 1 which mediates blue light signaling for stomatal opening

Plant & Cell Physiology
Atsushi TakemiyaKen-ichiro Shimazaki

Abstract

Protein phosphatase 1 (PP1) is a eukaryotic serine/threonine protein phosphatase comprised of a catalytic subunit (PP1c) and a regulatory subunit that modulates catalytic activity, subcellular localization and substrate specificity. PP1c positively regulates stomatal opening through blue light signaling between phototropins and the plasma membrane H(+)-ATPase in guard cells. However, the regulatory subunit functioning in this process is unknown. We identified Arabidopsis PRSL1 (PP1 regulatory subunit2-like protein1) as a regulatory subunit of PP1c. Tautomycin, a selective inhibitor of PP1c, inhibited blue light responses of stomata in the single mutants phot1 and phot2, supporting the idea that signals from phot1 and phot2 converge on PP1c. We obtained PRSL1 based on the sequence similarity to Vicia faba PRS2, a PP1c-binding protein isolated by a yeast two-hybrid screen. PRSL1 bound to Arabidopsis PP1c through its RVxF motif, a consensus PP1c-binding sequence. Arabidopsis prsl1 mutants were impaired in blue light-dependent stomatal opening, H(+) pumping and phosphorylation of the H(+)-ATPase, but showed normal phototropin activities. PRSL1 complemented the prsl1 phenotype, but not if the protein carried a mutation in the RVxF m...Continue Reading

References

Jul 1, 1998·Annual Review of Biophysics and Biomolecular Structure·D BarfordM P Egloff
Jul 16, 1999·The Plant Journal : for Cell and Molecular Biology·Y NiwaH Kobayashi
Oct 16, 1999·Proceedings of the National Academy of Sciences of the United States of America·T JacobS Gilroy
Feb 9, 2000·Chemistry & Biology·J B AggenR Chamberlin
May 5, 2001·Annual Review of Plant Physiology and Plant Molecular Biology·Julian I SchroederDavid Waner
Jul 7, 2001·Trends in Biochemical Sciences·M Bollen
Dec 12, 2001·Nature·T KinoshitaK Shimazaki
Dec 7, 2002·The Plant Cell·Allen SessionsStephen A Goff
Apr 12, 2003·Biochemistry·Michael SalomonWolfhart Rüdiger
Aug 2, 2003·Science·Hudong ChenVictor Yakhot
Aug 2, 2003·Science·José M AlonsoJoseph R Ecker
Jan 13, 2004·Physiological Reviews·Hugo Ceulemans, Mathieu Bollen
Jun 16, 2004·Proceedings of the National Academy of Sciences of the United States of America·Wenhua ZhangXuemin Wang
Sep 1, 2004·Current Opinion in Plant Biology·Liu-Min FanSarah M Assmann
Feb 22, 2005·The New Phytologist·Alain Vavasseur, Agepati S Raghavendra
Mar 8, 2005·The Plant Cell·Atsushi TakemiyaKen-Ichiro Shimazaki
Aug 17, 2005·The New Phytologist·M Rob G Roelfsema, Rainer Hedrich
Oct 6, 2005·Biochemistry·Jeffrey A JonesYusuf A Hannun
Jun 1, 1987·Proceedings of the National Academy of Sciences of the United States of America·J I SchroederE Neher
Aug 8, 2006·Current Opinion in Plant Biology·Alison DeLong
Aug 30, 2006·Proceedings of the National Academy of Sciences of the United States of America·Atsushi TakemiyaKen-Ichiro Shimazaki
Oct 28, 2006·Annual Review of Plant Biology·John M Christie
Jan 11, 2007·Annual Review of Plant Biology·Ken-ichiro ShimazakiToshinori Kinoshita
Mar 21, 2007·Trends in Plant Science·Ilona FarkasCsaba Koncz
May 10, 2007·Molecular Biology and Evolution·Koichiro TamuraSudhir Kumar
Nov 9, 2007·Biochimica Et Biophysica Acta·Satoru TokutomiKazunori Zikihara
Jan 19, 2008·Developmental Biology·Shu-Ye JiangSrinivasan Ramachandran
Apr 2, 2008·Proceedings of the National Academy of Sciences of the United States of America·Shin-Ichiro InoueKen-Ichiro Shimazaki

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Citations

Jun 25, 2013·Trends in Plant Science·R Glen UhrigGreg B Moorhead
Jan 10, 2013·Plant & Cell Physiology·Ken-ichiro Shimazaki, Satoru Tokutomi
Apr 29, 2014·Plant Science : an International Journal of Experimental Plant Biology·Kevin N BaronClaudio Stasolla
Jan 18, 2016·Current Biology : CB·Daniel HorrerDiana Santelia
Feb 24, 2016·Frontiers in Physiology·Kelly M BalmantSixue Chen
Jan 19, 2016·Journal of Plant Research·Atsushi Takemiya, Ken-ichiro Shimazaki
Mar 5, 2016·Scientific Reports·Nuria MauriCrisanto Gutierrez
Dec 9, 2014·Plant Signaling & Behavior·Tong ZhangAlice C Harmon
Jan 16, 2015·Plant & Cell Physiology·Yuriko KimuraToshinori Kinoshita
Dec 18, 2014·Plant & Cell Physiology·John M ChristieStuart Sullivan
Sep 1, 2016·Proceedings of the National Academy of Sciences of the United States of America·Noriyuki SuetsuguMasamitsu Wada
Jul 20, 2017·The New Phytologist·Rainer Hedrich, Dietmar Geiger
Apr 11, 2018·Plant & Cell Physiology·Shigeo TohToshinori Kinoshita
Jul 3, 2013·Nature Communications·Atsushi TakemiyaKen-ichiro Shimazaki
May 12, 2018·Plant, Cell & Environment·Xiaojun KangMin Ni
Nov 5, 2019·Frontiers in Genetics·Mohammad BablaZhong-Hua Chen
Jun 17, 2020·The FEBS Journal·Malathi BheriGirdhar K Pandey
Aug 28, 2020·Frontiers in Plant Science·Lixia Pan, Ive De Smet
Dec 10, 2020·Plant, Cell & Environment·Hanna HõrakJulie E Gray
Dec 22, 2020·Frontiers in Plant Science·Juan YangHongbin Wei

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