PloS one · 2025
Synbiotics effects of d-tagatose and Lactobacillus rhamnosus GG on the inflammation and oxidative stress reaction of Gallus gallus based on the genus of cecal bacteria and their metabolites.
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Lv Yuanqiang, Chu Jie, Zhang Xiaoxiao, Li Xuan, Yin Aijiao, Industrial Microbiology Laboratory
Аннотация
BACKGROUNDS: Abuse of feed supplement can cause oxidative stress and inflammatory responses in Gallus gallus. Synbiotics are composed of prebiotics and probiotics and it possess huge application potentials in the treatment of animal diseases.
METHODS: This study examined the effect of d-tagatose on the probiotic properties of L. rhamnosus GG, L. paracasei, and S. lactis so as to screen the best synbiotic combinations. Treat Gallus gallus exhibiting oxidative stress and immune response caused by aflatoxin b1 with optimal synbiotics for 14 days, detect the changes of inflammatory markers and oxidative stress markers of Gallus gallus using qRT-PCR, and identified the intestinal bacteria genera and their metabolites in the cecum of Gallus gallus using gut microbiota and metabolomics analysis.
RESULTS AND CONCLUSION: The results indicated that oxidative stress and immune response factor expressions quantity in Gallus gallus decreased significantly after 14 days of treatment, compared with model group, the low-dose treatment group's SOD1, SOD3, GPX1, GPX2, GSR, H6DP, and HO-1 genes in liver were downregulated by 36.03%, 40.01%, 45.86%, 40.79%, 37.68%, 25.04%, and 29.89%, the IL-1, IL-2, IL-4, IL-6, IgA, IgM, and IgG genes in blood and spleen were downregulated by 26.59%, 34.19%, 21.19%, 28.18%, 35.93%, 12.67%, 21.81 and 35.93%, 22.85%, 21.19%, 28.78%, 35.93%, 15.36%, 29.73%. The intestinal bacteria genera and metabolomics analysis results indicated that the abundance of beneficial bacteria genus was up-regulated, and the proportion of pathogenic bacteria genera decreased. The amount of beneficial metabolites associated with antioxidant and anti-inflammatory effects was upregulated. The synbiotic composed of d-tagatose and L. rhamnosus GG can treat oxidative stress and immune response by altering the structure of intestinal bacteria genera and the production of metabolites.
METHODS: This study examined the effect of d-tagatose on the probiotic properties of L. rhamnosus GG, L. paracasei, and S. lactis so as to screen the best synbiotic combinations. Treat Gallus gallus exhibiting oxidative stress and immune response caused by aflatoxin b1 with optimal synbiotics for 14 days, detect the changes of inflammatory markers and oxidative stress markers of Gallus gallus using qRT-PCR, and identified the intestinal bacteria genera and their metabolites in the cecum of Gallus gallus using gut microbiota and metabolomics analysis.
RESULTS AND CONCLUSION: The results indicated that oxidative stress and immune response factor expressions quantity in Gallus gallus decreased significantly after 14 days of treatment, compared with model group, the low-dose treatment group's SOD1, SOD3, GPX1, GPX2, GSR, H6DP, and HO-1 genes in liver were downregulated by 36.03%, 40.01%, 45.86%, 40.79%, 37.68%, 25.04%, and 29.89%, the IL-1, IL-2, IL-4, IL-6, IgA, IgM, and IgG genes in blood and spleen were downregulated by 26.59%, 34.19%, 21.19%, 28.18%, 35.93%, 12.67%, 21.81 and 35.93%, 22.85%, 21.19%, 28.78%, 35.93%, 15.36%, 29.73%. The intestinal bacteria genera and metabolomics analysis results indicated that the abundance of beneficial bacteria genus was up-regulated, and the proportion of pathogenic bacteria genera decreased. The amount of beneficial metabolites associated with antioxidant and anti-inflammatory effects was upregulated. The synbiotic composed of d-tagatose and L. rhamnosus GG can treat oxidative stress and immune response by altering the structure of intestinal bacteria genera and the production of metabolites.