Overexpression of AtPTPA in Arabidopsis increases protein phosphatase 2A activity by promoting holoenzyme formation and ABA negatively affects holoenzyme formation.

Plant Signal Behav     Jian Chen , Xunlu Zhu , Guoxin Shen , Hong Zhang

Arabidopsis PHOSPHOTYROSYL PHOSPHATASE ACTIVATOR is essential for PROTEIN PHOSPHATASE 2A holoenzyme assembly and plays important roles in hormone signaling, salt stress response, and plant development.

Plant Physiol.     Jian Chen , Rongbin Hu , Yinfeng Zhu , Guoxin Shen , Hong Zhang

Phylogenetic-based propagation of functional annotations within the Gene Ontology consortium.

Brief. Bioinformatics     Pascale Gaudet , Michael S Livstone , Suzanna E Lewis , Paul D Thomas

Sequence and analysis of chromosome 4 of the plant Arabidopsis thaliana.

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