The effect of antibiotics on the gut microbiome: a metagenomics analysis of microbial shift and gut antibiotic resistance in antibiotic treated mice
Abstract Background Emergence of antibiotic resistance is a global public health concern. The relationships between antibiotic use, the gut community composition, normal physiology and metabolism, and individual and public health are still being defined. Shifts in composition of bacteria, antibiotic...
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2020-03-01
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Online Access: | http://link.springer.com/article/10.1186/s12864-020-6665-2 |
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Article |
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DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Lei Xu Anil Surathu Isaac Raplee Ashok Chockalingam Sharron Stewart Lacey Walker Leonard Sacks Vikram Patel Zhihua Li Rodney Rouse |
spellingShingle |
Lei Xu Anil Surathu Isaac Raplee Ashok Chockalingam Sharron Stewart Lacey Walker Leonard Sacks Vikram Patel Zhihua Li Rodney Rouse The effect of antibiotics on the gut microbiome: a metagenomics analysis of microbial shift and gut antibiotic resistance in antibiotic treated mice BMC Genomics Gut microbiome Next generation sequencing Antibiotics Antibiotic resistance Metagenome |
author_facet |
Lei Xu Anil Surathu Isaac Raplee Ashok Chockalingam Sharron Stewart Lacey Walker Leonard Sacks Vikram Patel Zhihua Li Rodney Rouse |
author_sort |
Lei Xu |
title |
The effect of antibiotics on the gut microbiome: a metagenomics analysis of microbial shift and gut antibiotic resistance in antibiotic treated mice |
title_short |
The effect of antibiotics on the gut microbiome: a metagenomics analysis of microbial shift and gut antibiotic resistance in antibiotic treated mice |
title_full |
The effect of antibiotics on the gut microbiome: a metagenomics analysis of microbial shift and gut antibiotic resistance in antibiotic treated mice |
title_fullStr |
The effect of antibiotics on the gut microbiome: a metagenomics analysis of microbial shift and gut antibiotic resistance in antibiotic treated mice |
title_full_unstemmed |
The effect of antibiotics on the gut microbiome: a metagenomics analysis of microbial shift and gut antibiotic resistance in antibiotic treated mice |
title_sort |
effect of antibiotics on the gut microbiome: a metagenomics analysis of microbial shift and gut antibiotic resistance in antibiotic treated mice |
publisher |
BMC |
series |
BMC Genomics |
issn |
1471-2164 |
publishDate |
2020-03-01 |
description |
Abstract Background Emergence of antibiotic resistance is a global public health concern. The relationships between antibiotic use, the gut community composition, normal physiology and metabolism, and individual and public health are still being defined. Shifts in composition of bacteria, antibiotic resistance genes (ARGs) and mobile genetic elements (MGEs) after antibiotic treatment are not well-understood. Methods This project used next-generation sequencing, custom-built metagenomics pipeline and differential abundance analysis to study the effect of antibiotic monotherapy on resistome and taxonomic composition in the gut of Balb/c mice infected with E. coli via transurethral catheterization to investigate the evolution and emergence of antibiotic resistance. Results There is a longitudinal decrease of gut microbiota diversity after antibiotic treatment. Various ARGs are enriched within the gut microbiota despite an overall reduction of the diversity and total amount of bacteria after antibiotic treatment. Sometimes treatment with a specific class of antibiotics selected for ARGs that resist antibiotics of a completely different class (e.g. treatment of ciprofloxacin or fosfomycin selected for cepA that resists ampicillin). Relative abundance of some MGEs increased substantially after antibiotic treatment (e.g. transposases in the ciprofloxacin group). Conclusions Antibiotic treatment caused a remarkable reduction in diversity of gut bacterial microbiota but enrichment of certain types of ARGs and MGEs. These results demonstrate an emergence of cross-resistance as well as a profound change in the gut resistome following oral treatment of antibiotics. |
topic |
Gut microbiome Next generation sequencing Antibiotics Antibiotic resistance Metagenome |
url |
http://link.springer.com/article/10.1186/s12864-020-6665-2 |
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doaj-bb1a7802bc2f419eaedbedcd570d2a6f2020-11-25T02:12:53ZengBMCBMC Genomics1471-21642020-03-0121111810.1186/s12864-020-6665-2The effect of antibiotics on the gut microbiome: a metagenomics analysis of microbial shift and gut antibiotic resistance in antibiotic treated miceLei Xu0Anil Surathu1Isaac Raplee2Ashok Chockalingam3Sharron Stewart4Lacey Walker5Leonard Sacks6Vikram Patel7Zhihua Li8Rodney Rouse9U. S. Food and Drug Administration, Center for Drug Evaluation and Research, Office of Translational Science, Office of Clinical Pharmacology, Division of Applied Regulatory Science, HFD-910, White Oak Federal Research CenterU. S. Food and Drug Administration, Center for Drug Evaluation and Research, Office of Translational Science, Office of Clinical Pharmacology, Division of Applied Regulatory Science, HFD-910, White Oak Federal Research CenterU. S. Food and Drug Administration, Center for Drug Evaluation and Research, Office of Translational Science, Office of Clinical Pharmacology, Division of Applied Regulatory Science, HFD-910, White Oak Federal Research CenterU. S. Food and Drug Administration, Center for Drug Evaluation and Research, Office of Translational Science, Office of Clinical Pharmacology, Division of Applied Regulatory Science, HFD-910, White Oak Federal Research CenterU. S. Food and Drug Administration, Center for Drug Evaluation and Research, Office of Translational Science, Office of Clinical Pharmacology, Division of Applied Regulatory Science, HFD-910, White Oak Federal Research CenterU. S. Food and Drug Administration, Center for Drug Evaluation and Research, Office of Translational Science, Office of Clinical Pharmacology, Division of Applied Regulatory Science, HFD-910, White Oak Federal Research CenterU. S. Food and Drug Administration, Center for Drug Evaluation and Research, Office of Medical Policy, White Oak Federal Research CenterU. S. Food and Drug Administration, Center for Drug Evaluation and Research, Office of Translational Science, Office of Clinical Pharmacology, Division of Applied Regulatory Science, HFD-910, White Oak Federal Research CenterU. S. Food and Drug Administration, Center for Drug Evaluation and Research, Office of Translational Science, Office of Clinical Pharmacology, Division of Applied Regulatory Science, HFD-910, White Oak Federal Research CenterU. S. Food and Drug Administration, Center for Drug Evaluation and Research, Office of Translational Science, Office of Clinical Pharmacology, Division of Applied Regulatory Science, HFD-910, White Oak Federal Research CenterAbstract Background Emergence of antibiotic resistance is a global public health concern. The relationships between antibiotic use, the gut community composition, normal physiology and metabolism, and individual and public health are still being defined. Shifts in composition of bacteria, antibiotic resistance genes (ARGs) and mobile genetic elements (MGEs) after antibiotic treatment are not well-understood. Methods This project used next-generation sequencing, custom-built metagenomics pipeline and differential abundance analysis to study the effect of antibiotic monotherapy on resistome and taxonomic composition in the gut of Balb/c mice infected with E. coli via transurethral catheterization to investigate the evolution and emergence of antibiotic resistance. Results There is a longitudinal decrease of gut microbiota diversity after antibiotic treatment. Various ARGs are enriched within the gut microbiota despite an overall reduction of the diversity and total amount of bacteria after antibiotic treatment. Sometimes treatment with a specific class of antibiotics selected for ARGs that resist antibiotics of a completely different class (e.g. treatment of ciprofloxacin or fosfomycin selected for cepA that resists ampicillin). Relative abundance of some MGEs increased substantially after antibiotic treatment (e.g. transposases in the ciprofloxacin group). Conclusions Antibiotic treatment caused a remarkable reduction in diversity of gut bacterial microbiota but enrichment of certain types of ARGs and MGEs. These results demonstrate an emergence of cross-resistance as well as a profound change in the gut resistome following oral treatment of antibiotics.http://link.springer.com/article/10.1186/s12864-020-6665-2Gut microbiomeNext generation sequencingAntibioticsAntibiotic resistanceMetagenome |