期刊
PLANT DISEASE
卷 107, 期 2, 页码 267-271出版社
AMER PHYTOPATHOLOGICAL SOC
DOI: 10.1094/PDIS-02-22-0348-SC
关键词
bacterial canker; kiwifruit; phage therapy; Pseudomonas syringae pv; actinidiae
The study found that the phage phi PSA2 can effectively control the occurrence and spread of kiwifruit canker, providing a possibility for the development of phage therapy based on this phage.
Great efforts have been made with chemicals and pesticides to contain the spread of Pseudomonas syringae pv. actinidiae (Psa) responsible for kiwifruit canker. Unfortunately, only partial results were obtained for this bacterial pandemic, and alternative remedies were proposed to avoid soil pollution and the onset of antibiotic resistance. Among these, phage therapy represents a possible tool with low environmental impact and high specificity. Several phages have been isolated and tested for the capacity to kill Psa in vitro, but experiments to verify their efficacy in vivo are still lacking. In the present study, we demonstrated that the phage phi PSA2 (previously characterized) contains the spread of Psa inside plant tissue and reduces the symptoms of the disease. Our data are a strong indication for the efficiency of this phage and open the possibility of developing a phage therapy based on phi PSA2 to counteract the bacterial canker of kiwifruit.
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