PAMPs, PRRs, effectors and R-genes associated with citrus-pathogen interactions

Text - scientific article/review article


Recent application of molecular-based technologies has considerably advanced our understanding of complex processes in plant-pathogen interactions and their key components such as PAMPs, PRRs, effectors and R-genes. To develop novel control strategies for disease prevention in citrus, it is essential to expand and consolidate our knowledge of the molecular interaction of citrus plants with their pathogens. This review provides an overview of our understanding of citrus plant immunity, focusing on the molecular mechanisms involved in the interactions with viruses, bacteria, fungi, oomycetes and vectors related to the following diseases: tristeza, psorosis, citrus variegated chlorosis, citrus canker, huanglongbing, brown spot, post-bloom, anthracnose, gummosis and citrus root rot.


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  • Alternaria alternata
  • 'Candidatus Liberibacter asiaticus'
  • Citrus sp.
  • Citrus tristeza virus
  • Ophiovirus citri
  • Xylella fastidiosa


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