The response and recovery of the Arabidopsis thaliana transcriptome to phosphate starvation.

BMC Plant Biology
Jongchan WooNam-Hai Chua

Abstract

Over application of phosphate fertilizers in modern agriculture contaminates waterways and disrupts natural ecosystems. Nevertheless, this is a common practice among farmers, especially in developing countries as abundant fertilizers are believed to boost crop yields. The study of plant phosphate metabolism and its underlying genetic pathways is key to discovering methods of efficient fertilizer usage. The work presented here describes a genome-wide resource on the molecular dynamics underpinning the response and recovery in roots and shoots of Arabidopsis thaliana to phosphate-starvation. Genome-wide profiling by micro- and tiling-arrays (accessible from GEO: GSE34004) revealed minimal overlap between root and shoot transcriptomes suggesting two independent phosphate-starvation regulons. Novel gene expression patterns were detected for over 1000 candidates and were classified as either initial, persistent, or latent responders. Comparative analysis to AtGenExpress identified cohorts of genes co-regulated across multiple stimuli. The hormone ABA displayed a dominant role in regulating many phosphate-responsive candidates. Analysis of co-regulation enabled the determination of specific versus generic members of closely related g...Continue Reading

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Citations

Mar 7, 2014·Plant & Cell Physiology·Juan C Begara-MoralesJuan B Barroso
Nov 4, 2015·Proceedings of the National Academy of Sciences of the United States of America·Michael GroszmannElizabeth S Dennis
Feb 19, 2014·The New Phytologist·Céline SorinCaroline Hartmann
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Apr 29, 2016·BMC Plant Biology·Wolfgang HoehenwarterJens Müller
Jun 24, 2019·The New Phytologist·Javier Silva-NavasJuan C Del Pozo
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Aug 24, 2017·The New Phytologist·Kai Eggert, Nicolaus von Wirén
Aug 22, 2018·International Journal of Molecular Sciences·Jaroslav PavlůMartin Černý
Apr 26, 2018·Frontiers in Plant Science·Carlos Henríquez-ValenciaJavier Canales
Feb 23, 2020·Frontiers in Plant Science·Chuan-Ming YehMasaru Ohme-Takagi
Oct 27, 2020·Frontiers in Plant Science·Siamak FarhadiAhmad Moieni
Jul 10, 2020·Biochimica Et Biophysica Acta. Molecular and Cell Biology of Lipids·Julia PfaffChristian Pfaff
Apr 20, 2021·Frontiers in Plant Science·Juncheng WangHuajun Wang

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Methods Mentioned

BETA
chip
PCR
ubiquitination
transgenic

Software Mentioned

R
Limma package
GO
cisgenome
Affymetrix
starv
AtGenExpress
SLIM
tMeV

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