RNA-seq analysis reveals the role of red light in resistance against Pseudomonas syringae pv. tomato DC3000 in tomato plants

BMC Genomics
You-Xin YangYanhong Zhou

Abstract

Plants attenuate their responses to a variety of bacterial and fungal pathogens, leading to higher incidences of pathogen infection at night. However, little is known about the molecular mechanism responsible for the light-induced defence response; transcriptome data would likely facilitate the elucidation of this mechanism. In this study, we observed diurnal changes in tomato resistance to Pseudomonas syringae pv. tomato DC3000 (Pto DC3000), with the greatest susceptibility before midnight. Nightly light treatment, particularly red light treatment, significantly enhanced the resistance; this effect was correlated with increased salicylic acid (SA) accumulation and defence-related gene transcription. RNA-seq analysis revealed that red light induced a set of circadian rhythm-related genes involved in the phytochrome and SA-regulated resistance response. The biosynthesis and signalling pathways of multiple plant hormones (auxin, SA, jasmonate, and ethylene) were co-ordinately regulated following Pto DC3000 infection and red light, and the SA pathway was most significantly affected by red light and Pto DC3000 infection. This result indicates that SA-mediated signalling pathways are involved in red light-induced resistance to patho...Continue Reading

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Citations

Nov 12, 2016·Plant & Cell Physiology·Xiaoyang ZhuJean-Philippe Galaud
May 14, 2017·Photochemistry and Photobiology·Ivana KraiselburdElena G Orellano
May 17, 2018·Annual Review of Phytopathology·Gwyn A BeattieRegina S McGrane
Jul 6, 2018·Annual Review of Phytopathology·Thorsten LangnerKhaoula Belhaj
Sep 22, 2018·Genome Biology and Evolution·Peipei WangShin-Han Shiu
Jan 29, 2019·Frontiers in Plant Science·Ágnes GalléPéter Poór
Jan 10, 2019·Frontiers in Plant Science·Gábor GullnerPeter Schröder
Nov 16, 2020·Plant, Cell & Environment·Venja M RoeberAnne Cortleven
Dec 16, 2020·Biology·Ghazala Rauf ButtMatthew Alan Jones
Mar 16, 2021·Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society for Photobiology·Aba Losi, Wolfgang Gärtner
Apr 7, 2021·Plant Cell Reports·Mouna GhorbelMarco Landi
Jun 19, 2021·Annual Review of Plant Biology·Xuan Lan Thi HoangLam-Son Phan Tran
Jul 1, 2021·Plant, Cell & Environment·Ágnes GalléPéter Poór

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Methods Mentioned

BETA
RNA-seq
PCR
Illumina sequencing

Software Mentioned

Primer Premier
Bowtie
GIGANTEA
Blast2go Program

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