Suppression of host salicylic acid defense by a phloem-colonizing pathogen effector in citrus Huanglongbing - PubMed
5 hours ago
- #Citrus Huanglongbing
- #Salicylic Acid Defense
- #Pathogen Effector
- SDE10 effector from Candidatus Liberibacter asiaticus suppresses salicylic acid defense in citrus.
- SDE10 inhibits xylem cysteine peptidase 2 (CsXCP2), which regulates SA via processing CsPR1 to generate CsCAPE9 and degrading CLas-derived SahA.
- Engineered CsXCP2 variants that evade SDE10 binding can counteract defense suppression, aiding HLB-resistant citrus breeding.