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Isolation, identification and toxin-producing gene analysis of Burkholderia gladioli in Flammulina filiformis production chain
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Sheng-Mei YANG1, Ai-Xia HUANG2, *, Xin PEI2, Jian-Qing ZHANG1, Cui-Xia XIN1
Journal of Food Safety & Quality | 2026, 17(12) : 75 - 83
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Journal of Food Safety & Quality | 2026, 17(12): 75-83
• Special Topic: Detection and Control of Foodborne Pathogenic Bacteria •
Isolation, identification and toxin-producing gene analysis of Burkholderia gladioli in Flammulina filiformis production chain
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Sheng-Mei YANG1, Ai-Xia HUANG2, *, Xin PEI2, Jian-Qing ZHANG1, Cui-Xia XIN1
Affiliations
  • 1.Wuwei City Food Inspection and Testing Center, Wuwei 733000, China
  • 2.Wuwei Municipal Center for Disease Control and Prevention, Wuwei 733000, China
doi: 10.19812/j.cnki.jfsq11-5956/ts.20260108001
Outline
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Objective

To investigate the contamination status of Burkholderia gladioli pathovar cocovenenans in the Flammulina filiformis production chain, and evaluate its potential toxin-producing risk and actual toxin production situation.

Methods

A total of 110 samples collected from various links in the Flammulina filiformis production chain were subjected to the isolation, identification and toxin-producing gene detection of Burkholderia gladioli in accordance with the 2025 national manual for risk monitoring of food contaminants and hazardous factors.

Results

The 2 strains of Burkholderia gladioli were isolated, with an overall detection rate of 1.82%. The results of toxin-producing gene detection showed that all isolated strains did not carry bon and lacked the ability to produce bongkrekic acid.

Conclusion

There is a risk of Burkholderia gladioli contamination in the Flammulina filiformis production chain. It is necessary to strengthen the whole-chain management system, and combine advanced detection technologies with prevention and control measures to promote the healthy and sustainable development of the Flammulina filiformis production industry chain.

Flammulina filiformis production chain  /  Burkholderia gladioli  /  toxin-producing gene  /  bongkrekic acid
杨生梅, 黄爱霞, 裴欣, 张建青, 辛翠霞. 金针菇生产链中唐菖蒲伯克霍尔德氏菌分离鉴定与产毒基因分析. 食品安全质量检测学报, 2026 , 17 (12) : 75 -83 . DOI: 10.19812/j.cnki.jfsq11-5956/ts.20260108001
Sheng-Mei YANG, Ai-Xia HUANG, Xin PEI, Jian-Qing ZHANG, Cui-Xia XIN. Isolation, identification and toxin-producing gene analysis of Burkholderia gladioli in Flammulina filiformis production chain[J]. Journal of Food Safety & Quality, 2026 , 17 (12) : 75 -83 . DOI: 10.19812/j.cnki.jfsq11-5956/ts.20260108001
Appendix
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Year 2026 volume 17 Issue 12
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Article Info
doi: 10.19812/j.cnki.jfsq11-5956/ts.20260108001
  • Receive Date：2026-01-08
  • Online Date：2026-11-05
Article Data
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History
  • Received：2026-01-08
Funding
Affiliations
    1.Wuwei City Food Inspection and Testing Center, Wuwei 733000, China
    2.Wuwei Municipal Center for Disease Control and Prevention, Wuwei 733000, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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