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Comparative analysis of the pulmonary microbiome in healthy and diseased pigs

The lungs possess an effective antimicrobial system and a strong ability to eliminate microorganisms in healthy organisms, and were once considered sterile. With the development of culture-independent sequencing technology, the richness and diversity of porcine lung microbiota have been gaining atte...

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Published in:Molecular genetics and genomics : MGG 2021, Vol.296 (1), p.21-31
Main Authors: Li, Zongjie, Wang, Xin, Di, Di, Pan, Ruyi, Gao, Yun, Xiao, Changguang, Li, Beibei, Wei, Jianchao, Liu, Ke, Qiu, Yafeng, Ma, Zhiyong
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container_title Molecular genetics and genomics : MGG
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creator Li, Zongjie
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description The lungs possess an effective antimicrobial system and a strong ability to eliminate microorganisms in healthy organisms, and were once considered sterile. With the development of culture-independent sequencing technology, the richness and diversity of porcine lung microbiota have been gaining attention. In order to study the relationship between lung microbiota and porcine respiratory disease complex (PRDC), the lung microbiota in healthy and diseased swine bronchoalveolar lavage fluids were analyzed and compared using the Illumina MiSeq sequencing platform. The predominant microbial communities of healthy and diseased swine were similar at the phylum level, mainly composed of Proteobacteria, Firmicutes, Tenericutes, and Bacteroidetes. However, the bacterial taxonomic communities of healthy and diseased swine differed at the genus level. The higher relative abundances of Lactococcus , Enterococcus , Staphylococcus, and Lactobacillus genera in healthy swine might provide more benefits for lung health, while the enhanced richness of Streptococcus , Haemophilus , Pasteurella, and Bordetella genera in diseased swine might be closely related to pathogen invasion and the occurrence of respiratory disease. In conclusion, the observed differences in the richness and diversity of lung microbiota can provide novel insights into their relationship with PRDC. Analyses of swine lung microbiota communities might produce an effective strategy for the control and prevention of respiratory tract infections.
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With the development of culture-independent sequencing technology, the richness and diversity of porcine lung microbiota have been gaining attention. In order to study the relationship between lung microbiota and porcine respiratory disease complex (PRDC), the lung microbiota in healthy and diseased swine bronchoalveolar lavage fluids were analyzed and compared using the Illumina MiSeq sequencing platform. The predominant microbial communities of healthy and diseased swine were similar at the phylum level, mainly composed of Proteobacteria, Firmicutes, Tenericutes, and Bacteroidetes. However, the bacterial taxonomic communities of healthy and diseased swine differed at the genus level. The higher relative abundances of Lactococcus , Enterococcus , Staphylococcus, and Lactobacillus genera in healthy swine might provide more benefits for lung health, while the enhanced richness of Streptococcus , Haemophilus , Pasteurella, and Bordetella genera in diseased swine might be closely related to pathogen invasion and the occurrence of respiratory disease. In conclusion, the observed differences in the richness and diversity of lung microbiota can provide novel insights into their relationship with PRDC. 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subjects Alveoli
Animal Genetics and Genomics
Animals
Biochemistry
Biomedical and Life Sciences
Bordetella - classification
Bordetella - genetics
Bordetella - isolation & purification
Bordetella - pathogenicity
Bronchoalveolar Lavage Fluid - microbiology
Bronchus
Comparative analysis
DNA, Bacterial - genetics
Enterococcus - classification
Enterococcus - genetics
Enterococcus - isolation & purification
Genera
Haemophilus - classification
Haemophilus - genetics
Haemophilus - isolation & purification
Haemophilus - pathogenicity
High-Throughput Nucleotide Sequencing
Human Genetics
Lactobacillus - classification
Lactobacillus - genetics
Lactobacillus - isolation & purification
Lactococcus - classification
Lactococcus - genetics
Lactococcus - isolation & purification
Life Sciences
Lung - microbiology
Lung diseases
Microbial Genetics and Genomics
Microbiomes
Microbiota
Microbiota - genetics
Original Article
Pasteurella - classification
Pasteurella - genetics
Pasteurella - isolation & purification
Pasteurella - pathogenicity
Phylogeny
Plant Genetics and Genomics
Respiration
Respiratory diseases
Respiratory tract diseases
Respiratory Tract Infections - microbiology
RNA, Ribosomal, 16S - genetics
Staphylococcus - classification
Staphylococcus - genetics
Staphylococcus - isolation & purification
Streptococcus - classification
Streptococcus - genetics
Streptococcus - isolation & purification
Streptococcus - pathogenicity
Streptococcus infections
Swine - microbiology
title Comparative analysis of the pulmonary microbiome in healthy and diseased pigs
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