Metabolic profiling reveals local and systemic responses of kiwifruit to Pseudomonas syringae pv. actinidiae.

ABSTRACT: Pseudomonas syringae pv. actinidiae (Psa), a bacterial pathogen, causes bacterial canker disease in kiwifruit. To elucidate the local and systemic influences of Psa infection on kiwifruit, comprehensive analyses were conducted by combining metabolomic and physiological approach under Psa-infected treatment and mock-inoculated control in leaves, stems, and bleeding saps. Our results show that Psa infection stimulated kiwifruit metabolic reprogramming. Levels of many sugars, fumarate, and malic acid were decreased in Psa-infected leaves and stems, accompanied by the increased level of amino acids (AAs), which implies the anaplerotic reaction to replenish the TCA cycle generating energy and intermediates for defense-related metabolic pathways,

SUBMITTER: Li Y 

PROVIDER: S-EPMC7739878 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature