Metagenome Analysis Reveals Changes in Gut Microbial Antibiotic Resistance Genes and Virulence Factors in Reintroduced Giant Pandas

Antibiotic resistance has emerged as a critical global public health challenge. In this study, we employed metagenomic sequencing to analyze fecal samples from giant pandas (<i>Ailuropoda melanoleuca</i>) across three distinct stages—semi-wild, released, and wild populations—to investiga...

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Main Authors: Wanju Feng, Chenyi Gao, Xinyuan Cui, Bing Yang, Ke He, Qiuyu Huang, Xinru Yang, Kaizhi Wen, Jiadong Xie, Zhisong Yang, Lifeng Zhu
Format: Article
Language:English
Published: MDPI AG 2025-07-01
Series:Microorganisms
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Online Access:https://www.mdpi.com/2076-2607/13/7/1616
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author Wanju Feng
Chenyi Gao
Xinyuan Cui
Bing Yang
Ke He
Qiuyu Huang
Xinru Yang
Kaizhi Wen
Jiadong Xie
Zhisong Yang
Lifeng Zhu
author_facet Wanju Feng
Chenyi Gao
Xinyuan Cui
Bing Yang
Ke He
Qiuyu Huang
Xinru Yang
Kaizhi Wen
Jiadong Xie
Zhisong Yang
Lifeng Zhu
author_sort Wanju Feng
collection DOAJ
description Antibiotic resistance has emerged as a critical global public health challenge. In this study, we employed metagenomic sequencing to analyze fecal samples from giant pandas (<i>Ailuropoda melanoleuca</i>) across three distinct stages—semi-wild, released, and wild populations—to investigate shifts in antibiotic resistance genes (ARGs) and virulence factors (VFs) during the reintroduction process. Our findings revealed significant variations in the composition of ARG and VF across different stages, with released and wild giant pandas exhibiting similar ARG and VF profiles. Further analyses identified that the increased abundance of ARGs and VFs in both released and wild individuals compared to semi-wild individuals was mainly from <i>Pseudomonas</i>. We hypothesized that the same geographic environment in which ARGs and VFs are transmitted between a host and the environment via mobile genetic elements (MGEs) may be responsible for the similar structure of ARGs and VFs in released and wild giant pandas. Additionally, diet may modulate the gut microbial community, thereby influencing the distributions of ARG and VF. This study elucidated the impact of geographic and dietary factors on ARGs and VFs dynamics in giant pandas, offering valuable insights for mitigating antibiotic resistance and virulence gene dissemination.
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spelling doaj-art-f8e95dddc07d49abac23a726f2cd0ba02025-08-20T03:56:49ZengMDPI AGMicroorganisms2076-26072025-07-01137161610.3390/microorganisms13071616Metagenome Analysis Reveals Changes in Gut Microbial Antibiotic Resistance Genes and Virulence Factors in Reintroduced Giant PandasWanju Feng0Chenyi Gao1Xinyuan Cui2Bing Yang3Ke He4Qiuyu Huang5Xinru Yang6Kaizhi Wen7Jiadong Xie8Zhisong Yang9Lifeng Zhu10Sichuan Academy of Giant Panda, Chengdu 610081, ChinaSchool of Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, ChinaSchool of Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, ChinaSichuan Academy of Giant Panda, Chengdu 610081, ChinaSichuan Academy of Giant Panda, Chengdu 610081, ChinaSchool of Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, ChinaSchool of Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, ChinaSchool of Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, ChinaSchool of Artificial Intelligence and Information Technology, Nanjing University of Chinese Medicine, Nanjing 210023, ChinaSichuan Academy of Giant Panda, Chengdu 610081, ChinaSchool of Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, ChinaAntibiotic resistance has emerged as a critical global public health challenge. In this study, we employed metagenomic sequencing to analyze fecal samples from giant pandas (<i>Ailuropoda melanoleuca</i>) across three distinct stages—semi-wild, released, and wild populations—to investigate shifts in antibiotic resistance genes (ARGs) and virulence factors (VFs) during the reintroduction process. Our findings revealed significant variations in the composition of ARG and VF across different stages, with released and wild giant pandas exhibiting similar ARG and VF profiles. Further analyses identified that the increased abundance of ARGs and VFs in both released and wild individuals compared to semi-wild individuals was mainly from <i>Pseudomonas</i>. We hypothesized that the same geographic environment in which ARGs and VFs are transmitted between a host and the environment via mobile genetic elements (MGEs) may be responsible for the similar structure of ARGs and VFs in released and wild giant pandas. Additionally, diet may modulate the gut microbial community, thereby influencing the distributions of ARG and VF. This study elucidated the impact of geographic and dietary factors on ARGs and VFs dynamics in giant pandas, offering valuable insights for mitigating antibiotic resistance and virulence gene dissemination.https://www.mdpi.com/2076-2607/13/7/1616giant pandasmetagenomeantibiotic resistance gene (ARG)virulence factor (VF)
spellingShingle Wanju Feng
Chenyi Gao
Xinyuan Cui
Bing Yang
Ke He
Qiuyu Huang
Xinru Yang
Kaizhi Wen
Jiadong Xie
Zhisong Yang
Lifeng Zhu
Metagenome Analysis Reveals Changes in Gut Microbial Antibiotic Resistance Genes and Virulence Factors in Reintroduced Giant Pandas
Microorganisms
giant pandas
metagenome
antibiotic resistance gene (ARG)
virulence factor (VF)
title Metagenome Analysis Reveals Changes in Gut Microbial Antibiotic Resistance Genes and Virulence Factors in Reintroduced Giant Pandas
title_full Metagenome Analysis Reveals Changes in Gut Microbial Antibiotic Resistance Genes and Virulence Factors in Reintroduced Giant Pandas
title_fullStr Metagenome Analysis Reveals Changes in Gut Microbial Antibiotic Resistance Genes and Virulence Factors in Reintroduced Giant Pandas
title_full_unstemmed Metagenome Analysis Reveals Changes in Gut Microbial Antibiotic Resistance Genes and Virulence Factors in Reintroduced Giant Pandas
title_short Metagenome Analysis Reveals Changes in Gut Microbial Antibiotic Resistance Genes and Virulence Factors in Reintroduced Giant Pandas
title_sort metagenome analysis reveals changes in gut microbial antibiotic resistance genes and virulence factors in reintroduced giant pandas
topic giant pandas
metagenome
antibiotic resistance gene (ARG)
virulence factor (VF)
url https://www.mdpi.com/2076-2607/13/7/1616
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