Integrated Microbiome and Metabolome Analysis Reveals a Positive Change in the Intestinal Environment of Edited Large White Pigs

Overview

Journal Front Microbiol

Specialty Microbiology

Date 2021 Mar 8

PMID 33679652

Citations 13

Authors

Yangli Pei

Chujie Chen

Yulian Mu

Yalan Yang

Zheng Feng

Bugao Li

Hua Li

Kui Li

Affiliations

Soon will be listed here.

Abstract

Myostatin (MSTN) functional inactivation can change the proportion of lean meat and fat content in pigs. While both genotype and microbial composition are known to affect the host phenotype, so far there has been no systematic study to detect the changes in the intestinal microbial composition and metabolome of single copy mutant pigs. Here, we used 16S rDNA sequencing and metabolome analysis to investigate how gene editing affects changes in the microbial and metabolome composition in the jejunum and the cecum of Large White pigs. Our results showed that , , , , , and were significantly upregulated; while and were significantly downregulated in the jejunum of MSTN pigs. Similarly, , , , , and were significantly upregulated, while was significantly downregulated in the cecum of MSTN pigs. Moreover, metabolomics analysis showed significant changes in metabolites involved in purine, sphingolipid and tryptophan metabolism in the jejunum, while those associated with glycerophospholipid and pyrimidine metabolism were changed in the cecum. Spearman correlation analysis further demonstrated that there was a significant correlation between microflora composition and metabolites. Our analyses indicated the editing affects the composition of metabolites and microbial strains in the jejunum and the cecum, which might provide more useable nutrients for the host of ± Large White pigs.

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