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Small Rna, Cyclic-Di-Gmp And Phenolic Compounds Regulate The Type Iii Secretion System In Bacterial Phytopathogens, Devanshi Khokhani
Small Rna, Cyclic-Di-Gmp And Phenolic Compounds Regulate The Type Iii Secretion System In Bacterial Phytopathogens, Devanshi Khokhani
Theses and Dissertations
Type III Secretion System (T3SS) is an essential virulence factor in many Gram-negative bacterial pathogens. Expression of T3SS consumes large amount of energy. Hence it is tightly regulated by bacteria through several mechanisms. In this work we screened a library of phenolic compounds and found several compounds that
dramatically downregulate T3SS in Erwinia amylovora 273. Additionally, the role of small RNA (sRNA) chaperone, Hfq, and a secondary messenger, cyclic-di-GMP in T3SS regulation in Dickeya dadantii 3937 was also examined. Chapter 1 provides a brief overview of the history and virulence mechanisms of two phytopathogens - Erwinia amylovora 273 and Dickeya …