作者: Tatiana Vernié , Sylvie Camut , Céline Camps , Céline Rembliere , Fernanda de Carvalho-Niebel
DOI: 10.1104/PP.15.01694
关键词: Signal transduction 、 Biology 、 Botany 、 Ubiquitin ligase 、 Kinase 、 Symbiosis 、 Medicago truncatula 、 Rhizophagus irregularis 、 Cell biology 、 Glomeromycota 、 Root nodule
摘要: PUB1, an E3 ubiquitin ligase, which interacts with and is phosphorylated by the LYK3 symbiotic receptor kinase, negatively regulates rhizobial infection nodulation during nitrogen-fixing root nodule symbiosis in Medicago truncatula In this study, we show that PUB1 also DOES NOT MAKE INFECTIONS 2, key kinase of common signaling pathway, required for both arbuscular mycorrhizal (AM) endosymbioses. We here expression activated successive stages colonization Rhizophagus irregularis compatible its interaction 2. Through characterization a mutant, pub1-1, affected ligase activity have shown ubiquitination to modulate development AM symbioses. conclusion, represents, our knowledge, novel component integrating signal perception through phosphorylation two kinases, downstream via fine-tune