title: Post-translational control of ABA signalling: the roles of protein phosphorylation and ubiquitination.
abstract: The plant phytohormone abscisic acid (ABA) plays significant roles in integrating environmental signals with embryogenesis, germination, seedling establishment, the floral transition and the adaptation of plants to stressful environments by modulating stomatal movement and stress-responsive gene expression. ABA signalling consists of ABA perception, signal transduction and ABA-induced responses. ABA receptors such as members of the PYR/PYL family, group A type 2C protein phosphatases (as negative regulators), SnRK2 protein kinases (as positive regulators), bZIP transcription factors and ion channels are key components of ABA signalling. Post-translational modifications, including dephosphorylation, phosphorylation and ubiquitination, play important roles in regulating ABA signalling. In this review, we focus on the roles of post-translational modifications in ABA signalling. The studies presented provide a detailed picture of the ABA signalling network.
authors: Rice Research Institute, Shenyang Agricultural University, Shenyang, China.
authors: Wenqi
authors: W
authors: Yang
authors: Rice Research Institute, Shenyang Agricultural University, Shenyang, China.
authors: Wei
authors: W
authors: Zhang
authors: Rice Research Institute, Shenyang Agricultural University, Shenyang, China.
authors: Xiaoxue
authors: X
authors: Wang
mesh_terms: D000040:Abscisic Acid / Q000378:metabolism* / Q000502:physiology; D017360:Arabidopsis / Q000235:genetics; D029681:Arabidopsis Proteins / Q000235:genetics / Q000378:metabolism / Q000502:physiology; D050976:Basic-Leucine Zipper Transcription Factors; D010766:Phosphorylation / Q000502:physiology*; D010937:Plant Growth Regulators / Q000378:metabolism; D018521:Plant Physiological Phenomena; D046988:Proteasome Endopeptidase Complex; D011499:Protein Processing, Post-Translational / Q000502:physiology*; D017346:Protein Serine-Threonine Kinases / Q000502:physiology; D015398:Signal Transduction / Q000187:drug effects / Q000502:physiology*; D013312:Stress, Physiological; D054875:Ubiquitination / Q000502:physiology*
chemical_list: D029681:Arabidopsis Proteins; D050976:Basic-Leucine Zipper Transcription Factors; D010937:Plant Growth Regulators; C492978:SnRK2 protein, Arabidopsis; D000040:Abscisic Acid; D017346:Protein Serine-Threonine Kinases; D046988:Proteasome Endopeptidase Complex; C061553:ATP dependent 26S protease
keywords: 26S proteasome system; ABA signalling; abscisic acid; dephosphorylation; phosphorylation; post-translational regulation; ubiquitination