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Analysis of integrative and conjugative elements composition in contaminated microorganisms of cooked poultry products by metagenomic sequencing
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Sheng SONG1, 2, Kun-Peng GUO1, 2, Lu-Miao ZHANG1, 2, Qing-Wen LUO1, 2, Fang WANG1, 2, Han GAO1, 2, *
Journal of Food Safety & Quality | 2025, 16(10) : 97 - 104
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Journal of Food Safety & Quality | 2025, 16(10): 97-104
• Special Topic: Food Safety Risk Assessment and Risk Monitoring •
Analysis of integrative and conjugative elements composition in contaminated microorganisms of cooked poultry products by metagenomic sequencing
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Sheng SONG1, 2, Kun-Peng GUO1, 2, Lu-Miao ZHANG1, 2, Qing-Wen LUO1, 2, Fang WANG1, 2, Han GAO1, 2, *
Affiliations
  • 1. Hunan Povincial Key Laboratory of Food Safety Monitoring and Early Warning, Changsha 410000, China
  • 2. Hunan Povincial Institute of Product and Goods Quality Inspection, Changsha 410000, China
Published: 2025-05-25 doi: 10.19812/j.cnki.jfsq11-5956/ts.20241204001
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Objective To investigate the distribution, sources, and gene cassette contents of integrative and conjugative elements in microorganisms contaminating cooked poultry meat products. Methods Cooked duck meat was purchased, and DNA extraction, sequencing, assembly, binning, and metagenome-assembled genome (MAG) acquisition were performed. These MAGs were then compared with an integron database. Results A total of 110 integrative and conjugative elements belonging to 65 distinct types were detected in the contaminating microbiota of cooked duck meat, primarily originating from 31 host microorganisms, including Mesorhizobium, Pseudomonas aeruginosa, and Klebsiella pneumoniae. Among these integrative and conjugative elements, there were 9 kinds of transposases, 1 kinds of virulence factor gene, and 19 resistance-related genes, including 10 tetracycline resistance genes. Additionally, 11 defense genes, all of which were phage-defense genes, were identified. Conclusion The discovery of various integrative and conjugative elements, virulence factors, resistance-related genes, and defense genes reveals the complex genetic diversity of microorganisms in food. This provides important clues for studying horizontal gene transfer and has significant implications for assessing food safety and preventing and controlling foodborne pathogens. The effective application of metagenomic technology in integron research also demonstrates its potential in the fields of food safety and public health.

cooked poultry meat products  /  metagenomics  /  integrative and conjugative elements
Sheng SONG, Kun-Peng GUO, Lu-Miao ZHANG, Qing-Wen LUO, Fang WANG, Han GAO. Analysis of integrative and conjugative elements composition in contaminated microorganisms of cooked poultry products by metagenomic sequencing[J]. Journal of Food Safety & Quality, 2025 , 16 (10) : 97 -104 . DOI: 10.19812/j.cnki.jfsq11-5956/ts.20241204001
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Year 2025 volume 16 Issue 10
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Article Info
doi: 10.19812/j.cnki.jfsq11-5956/ts.20241204001
  • Receive Date：2024-12-04
  • Online Date：2025-07-15
  • Published：2025-05-25
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  • Received：2024-12-04
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Affiliations
    1. Hunan Povincial Key Laboratory of Food Safety Monitoring and Early Warning, Changsha 410000, China
    2. Hunan Povincial Institute of Product and Goods Quality Inspection, Changsha 410000, 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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