Arabidopsis Proteins Journal Article Arabidopsis Arabidopsis thaliana Basic-Leucine Zipper Transcription Factors Nuclear Proteins PLG39H7695 Paraquat Research Support, Non-U.S. Gov't Transcription Factors bZIP group I transcription factors cell proliferation cell wall chloroplasts chromatin immunoprecipitation gene regulatory networks leaf cell number oxidative stress plant development retrograde signaling root cell number tandem affinity purification. transcription factors