Chromatin accessibility landscapes activated by cell-surface and intracellular immune receptors

  • Pingtao Ding (Lead / Corresponding author)
  • , Toshiyuki Sakai
  • , Ram Krishna Shrestha
  • , Nicolas Manosalva Perez
  • , Wenbin Guo
  • , Bruno Pok Man Ngou
  • , Shengbo He
  • , Chang Liu
  • , Xiaoqi Feng
  • , Runxuan Zhang
  • , Klaas Vandepoele
  • , Dan MacLean
  • , Jonathan D. G. Jones (Lead / Corresponding author)

Research output: Contribution to journalArticlepeer-review

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Abstract

Activation of cell-surface and intracellular receptor-mediated immunity results in rapid transcriptional reprogramming that underpins disease resistance. However, the mechanisms by which co-activation of both immune systems lead to transcriptional changes are not clear. Here, we combine RNA-seq and ATAC-seq to define changes in gene expression and chromatin accessibility. Activation of cell-surface or intracellular receptor-mediated immunity, or both, increases chromatin accessibility at induced defense genes. Analysis of ATAC-seq and RNA-seq data combined with publicly available information on transcription factor DNA-binding motifs enabled comparison of individual gene regulatory networks activated by cell-surface or intracellular receptor-mediated immunity, and by both. These results and analyses reveal overlapping and conserved transcriptional regulatory mechanisms between the two immune systems.

Original languageEnglish
Pages (from-to)7927-7941
Number of pages15
JournalJournal of Experimental Botany
Volume72
Issue number22
Early online date13 Aug 2021
DOIs
Publication statusPublished - 4 Dec 2021

Keywords

  • ATAC-seq and RNA-seq
  • cell surface immune receptors
  • chromatin accessibility
  • gene regulatory network
  • intracellular immune receptors
  • plant innate immunity
  • PRR and NLR
  • transcriptional regulation

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