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Aureobasidium pullulans S-2 reduced the disease incidence of tomato by influencing the postharvest microbiome during storage
Year:
2022
Source of publication :
Postharvest Biology and Technology
Authors :
דרובי, סמיר
;
.
Volume :
Co-Authors:

Yu Shi

Qiya Yang
Qianhua Zhao
Solairaj Dhanasekaran
Joseph Ahima
Xiaoyun Zhang
Siqi Zhou
Samir Droby
Hongyin Zhang

Facilitators :
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Total pages:
1
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Abstract:

Biological control of postharvest fruit diseases by antagonistic microorganisms is considered an effective alternative to chemical fungicides. The influence of microbial antagonists on the fruit-associated microbiome provides a new perspective for the in-depth study of the antagonistic mechanism. In this study, the biocontrol effect of A. pullulans S-2 against postharvest diseases of tomatoes was investigated. At the same time, the fungal and bacterial microbiota on tomato surfaces were investigated by high-throughput sequencing. The results showed that A. pullulans S-2 could inhibit the decay incidence, maintain fruit firmness and reduce weight loss of tomato. In addition, the treatment group could maintain higher titratable acidity, ascorbic acid and lycopene content than the control group. More dramatic changes in fungal diversity than in bacterial diversity were observed in the microbiota after the application of A. pullulans S-2. Aureobasidium was significantly enriched in the treatment group, while CladosporiumMycosphaerellaAlternaria and Penicillium decreased compared to the control group. PantoeaBrevibacteriumBrachybacteriumSerratiaGlutamicibacter and Pseudomonas also showed significant differences between the two groups. This study shows that the application of A. pullulans S-2 leads to changes in the bacterial and fungal community that can inhibit plant pathogens and reduce the incidence of fruit diseases. It provides new insights into the dynamics of the surface microbiome of tomato after treatment with microbial antagonists.

Note:
Related Files :
Aureobasidium pullulans
Bacterial community
BioControl
fungal community
Solanum lycopersicum
עוד תגיות
תוכן קשור
More details
DOI :
10.1016/j.postharvbio.2021.111809
Article number:
111809
Affiliations:
Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
57383
Last updated date:
02/03/2022 17:27
Creation date:
28/12/2021 22:48
Scientific Publication
Aureobasidium pullulans S-2 reduced the disease incidence of tomato by influencing the postharvest microbiome during storage

Yu Shi

Qiya Yang
Qianhua Zhao
Solairaj Dhanasekaran
Joseph Ahima
Xiaoyun Zhang
Siqi Zhou
Samir Droby
Hongyin Zhang

Aureobasidium pullulans S-2 reduced the disease incidence of tomato by influencing the postharvest microbiome during storage

Biological control of postharvest fruit diseases by antagonistic microorganisms is considered an effective alternative to chemical fungicides. The influence of microbial antagonists on the fruit-associated microbiome provides a new perspective for the in-depth study of the antagonistic mechanism. In this study, the biocontrol effect of A. pullulans S-2 against postharvest diseases of tomatoes was investigated. At the same time, the fungal and bacterial microbiota on tomato surfaces were investigated by high-throughput sequencing. The results showed that A. pullulans S-2 could inhibit the decay incidence, maintain fruit firmness and reduce weight loss of tomato. In addition, the treatment group could maintain higher titratable acidity, ascorbic acid and lycopene content than the control group. More dramatic changes in fungal diversity than in bacterial diversity were observed in the microbiota after the application of A. pullulans S-2. Aureobasidium was significantly enriched in the treatment group, while CladosporiumMycosphaerellaAlternaria and Penicillium decreased compared to the control group. PantoeaBrevibacteriumBrachybacteriumSerratiaGlutamicibacter and Pseudomonas also showed significant differences between the two groups. This study shows that the application of A. pullulans S-2 leads to changes in the bacterial and fungal community that can inhibit plant pathogens and reduce the incidence of fruit diseases. It provides new insights into the dynamics of the surface microbiome of tomato after treatment with microbial antagonists.

Scientific Publication
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