Chapter 1. Genome sequencing.- Chapter 2. Phytoplasma effectors and pathogenicity factors.- Chapter 3. Transcriptomic and proteomic studies of phytoplasma-infected plants.- Chapter 4. Plant-insect host switching mechanism.- Chapter 5. Diversity and functional importance of phytoplasma membrane proteins.- Chapter 6. Phytoplasma cultivation.- Chapter 7. Molecular and serological approaches in detection of phytoplasmas in plants and insects.- Chapter 8. The development and deployment of rapid in-field phytoplasma diagnostics exploiting isothermal amplification DNA-detection systems.- Chapter 9. Multilocus genetic characterization of phytoplasmas.- Chapter 10. Host metabolic interaction and perspectives in phytoplasma research.