Biocontrol mechanism of Bacillus siamensis sp. QN2MO-1 against tomato fusarium wilt disease during fruit postharvest and planting
Copyright © 2024 Elsevier GmbH. All rights reserved..
Tomato fusarium wilt caused by Fusarium oxysporum f. sp. lycopersici (Fol) is a highly destructive disease, resulting in severe economic losses of global tomato production annually. An eco-friendly alternative to chemical fungicide using biological control agents (BCAs) is urgently needed. Here, Bacillus siamensis QN2MO-1 was isolated from Noli fruit and had a strong antagonistic activity against Fol in vitro and in vivo. Strain QN2MO-1 also exhibited a broad-spectrum antifungal activity against the selected 14 phytopathogenic fungi. The crude protein produced by strain QN2MO-1 could inhibit the spore germination of Fol and destroy the spore structure. It was closely related with the generation of chitinase and β-1,3-glucanase secreted by strain QN2MO-1. In a pot experiment, the application of B. siamensis QN2MO-1 effectively alleviated the yellowing and wilting symptoms of tomato plants. The disease index and incidence rate were decreased by 72.72% and 80.96%, respectively. The rhizospheric soil in tomato plants owed a high abundance of microbial community. Moreover, strain QN2MO-1 also enhanced the plant growth and improved the fruit quality of tomato. Therefore, B. siamensis QN2MO-1 will be explored as a potential biocontrol agent and biofertilizer.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:283 |
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| Enthalten in: |
Microbiological research - 283(2024) vom: 23. Apr., Seite 127694 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Miaoyi [VerfasserIn] |
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| Links: |
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| Themen: |
Bacillus siamensis |
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| Anmerkungen: |
Date Completed 17.04.2024 Date Revised 17.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.micres.2024.127694 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Copyright © 2024 Elsevier GmbH. All rights reserved. | ||
| 520 | |a Tomato fusarium wilt caused by Fusarium oxysporum f. sp. lycopersici (Fol) is a highly destructive disease, resulting in severe economic losses of global tomato production annually. An eco-friendly alternative to chemical fungicide using biological control agents (BCAs) is urgently needed. Here, Bacillus siamensis QN2MO-1 was isolated from Noli fruit and had a strong antagonistic activity against Fol in vitro and in vivo. Strain QN2MO-1 also exhibited a broad-spectrum antifungal activity against the selected 14 phytopathogenic fungi. The crude protein produced by strain QN2MO-1 could inhibit the spore germination of Fol and destroy the spore structure. It was closely related with the generation of chitinase and β-1,3-glucanase secreted by strain QN2MO-1. In a pot experiment, the application of B. siamensis QN2MO-1 effectively alleviated the yellowing and wilting symptoms of tomato plants. The disease index and incidence rate were decreased by 72.72% and 80.96%, respectively. The rhizospheric soil in tomato plants owed a high abundance of microbial community. Moreover, strain QN2MO-1 also enhanced the plant growth and improved the fruit quality of tomato. Therefore, B. siamensis QN2MO-1 will be explored as a potential biocontrol agent and biofertilizer | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Bacillus siamensis | |
| 650 | 4 | |a Biological control | |
| 650 | 4 | |a Tomato fusarium wilt | |
| 650 | 4 | |a Whole genome sequencing | |
| 700 | 1 | |a Li, Xiaojuan |e verfasserin |4 aut | |
| 700 | 1 | |a Pan, Yongbo |e verfasserin |4 aut | |
| 700 | 1 | |a Qi, Dengfeng |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Dengbo |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Yufeng |e verfasserin |4 aut | |
| 700 | 1 | |a Feng, Junting |e verfasserin |4 aut | |
| 700 | 1 | |a Wei, Yongzan |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Yankun |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Kai |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Lu |e verfasserin |4 aut | |
| 700 | 1 | |a Xie, Jianghui |e verfasserin |4 aut | |
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