Exposure to oxy-tetracycline changes gut bacterial community composition in rainbow trout: a preliminary study = 옥시테트라사이클린 처리에 따른 무지개송어 장내미생물 균총 변화

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Title
Exposure to oxy-tetracycline changes gut bacterial community composition in rainbow trout: a preliminary study = 옥시테트라사이클린 처리에 따른 무지개송어 장내미생물 균총 변화
Author(s)
Aritra Roy Choudhury; Ji-Young ParkDo Young Kim; Jeongyun Choi; S Acharya; Jung-Ho Park
Bibliographic Citation
Animals, vol. 11, no. 12, pp. 3404-3404
Publication Year
2021
Abstract
The extensive use of antibiotics is evident in most of the livestock and aquaculture management for inhibiting pathogen infection. Korean aquaculture depends on the usage of oxy-tetracycline for growing rainbow trout. Hence, this study was conducted to evaluate the changes in gut bacterial community profiles of rainbow trout exposed to oxy-tetracycline and predict the metabolic functioning of the bacterial community. The gut bacterial community composition of oxy-tetracycline treated fish was assessed by amplicon sequencing targeting the 16S rRNA gene of bacteria and comparing with the control group that did not receive any antibiotic. The principle coordinate analysis and non-metric multidimensional scaling analysis had shown two distinct clusters that implies the changes in community composition. In phyla level, the relative abundances of Tenericutes and Firmicutes were observed to be significantly higher in oxy-tetracycline treated fish compared to the control. Furthermore, the prediction based metabolic profiling revealed the processes that are affected due to the shift in community profiles. For example, metabolic functioning of membrane efflux system, amino acid metabolism and glycolysis were significantly higher in oxy-tetracycline treated fish compared to the control. This study describes alteration in gut bacterial community composition and potential metabolic profiles of the community that might be responsible for surviving in antibiotic rich environment.
Keyword
AntibioticsOxy-tetracyclineRainbow troutTenericutesMollicutesProteobacteriaMetabolic profiles
ISSN
2076-2615
Publisher
MDPI
DOI
http://dx.doi.org/10.3390/ani11123404
Type
Article
Appears in Collections:
Division of Bio Technology Innovation > Bio-Evaluation Center > 1. Journal Articles
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