Regulatory Role of SGT1 in Early R Gene-Mediated Plant Defenses
Copyright policy )Regulatory Role of SGT1 in Early R Gene-Mediated Plant Defenses
Animal SGT1 is a component of Skp1-Cullin–F-box protein (SCF) ubiquitin ligases that target regulatory proteins for degradation. Mutations in one ( SGT1b ) of two highly homologous Arabidopsis SGT1 genes disable early plant defenses conferred by multiple resistance ( R ) genes. Loss of SGT1b function in resistance is not compensated for by SGT1a . R genes differ in their requirements for SGT1b and a second resistance signaling gene, RAR1 , that was previously implicated as an SGT1 interactor. Moreover, SGT1b and RAR1 contribute additively to RPP5 -mediated pathogen recognition. These data imply both operationally distinct and cooperative functions of SGT1 and RAR1 in plant disease resistance.
- Max Planck Institute for Plant Breeding Research Germany
- John Innes Centre United Kingdom
- Sainsbury Laboratory United Kingdom
- Max Planck Society Germany
Cell Death, Arabidopsis Proteins, Amino Acid Motifs, Molecular Sequence Data, Arabidopsis, Intracellular Signaling Peptides and Proteins, Cell Cycle Proteins, Spores, Fungal, Genes, Plant, Immunity, Innate, Protein Structure, Tertiary, Plant Leaves, Oomycetes, Mutation, Amino Acid Sequence, Carrier Proteins, Sequence Alignment, Plant Diseases, Plant Proteins
Cell Death, Arabidopsis Proteins, Amino Acid Motifs, Molecular Sequence Data, Arabidopsis, Intracellular Signaling Peptides and Proteins, Cell Cycle Proteins, Spores, Fungal, Genes, Plant, Immunity, Innate, Protein Structure, Tertiary, Plant Leaves, Oomycetes, Mutation, Amino Acid Sequence, Carrier Proteins, Sequence Alignment, Plant Diseases, Plant Proteins
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