Decoding Plant-Microbe Interactions through the Kiwifruit Microbiome in Bacterial Canker Disease

Area of Science:

• Plant Pathology
• Microbiome Research
• Agricultural Science

Background:

• Plant microbiomes significantly impact plant health and function.
• Understanding infection-specific microbiome interactions is crucial but limited.
• Kiwifruit bacterial canker (KBC), caused by *Pseudomonas syringae* pv *actinidiae* (Psa), serves as a model system.

Purpose of the Study:

• To review current knowledge on Psa pathogenicity and kiwifruit microbiomes.
• To focus on the dual roles of microbes in disease promotion or suppression.
• To identify microbial leverage points for KBC management.

Main Methods:

• Literature review of Psa pathogenicity and associated microbiomes.
• Analysis of microbial interactions in various ecological niches.
• Incorporation of recent findings on microbiome-mediated control.

Main Results:

• Psa pathogenicity and kiwifruit microbiomes have complex interactions.
• Microbial taxa can either promote or suppress KBC development.
• Specific microbial interactions offer ecological control points for KBC.

Conclusions:

• Shifting focus from pathogen elimination to microbiome balance is key for sustainable KBC management.
• Understanding microbial ecology provides novel strategies for disease control.
• This review offers insights into leveraging microbiomes for resilient agriculture.