Search results for: Isepamicin sulfate CAS: [67814-76-0]
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Metagenomic characterization of the cecal microbiota community and functions in finishing pigs fed fermented .
Ramie (, BN) is used as livestock forage through suitable silage fermentation owing to its nutritional value. To date, relatively few studies have investigated the effects of dietary fermented BN (FBN) on gut health in finishing pigs. The aim of the present study was to investigate the effects of dietary supplementation with 20% FBN on intestinal morphology, gene expression, and the functional response of the gut microbiota in finishing pigs. We found that FBN did not significantly affect serum antioxidant enzyme activities, ileal morphology, or the expression of genes encoding antioxidant enzymes, inflammatory cytokines, or tight junction proteins in the liver of the pigs. However, the gene expression levels of aryl hydrocarbon receptor () and interleukin 6 () were significantly downregulated in the ileum. A metagenomic analysis demonstrated that, compared with that seen in the control group, the cecal microbiota of pigs in the FBN treatment group was more closely clustered and contained a greater number of unique microbes. Bacteria were the predominant kingdom in the cecal microbiota, while Firmicutes, Bacteroidetes, and Proteobacteria were the dominant phyla, and , , and were the dominant genera. Dietary FBN significantly increased the abundance of the probiotic bacterium ( < 0.05). Functional analysis of the cecal microbiota showed that ABC transporter levels and glycolysis/gluconeogenesis-associated functions were diminished in FBN-fed pigs. Meanwhile, CAZyme analysis revealed that dietary FBN significantly downregulated the contents of carbohydrate-active enzymes, such as GT2, GH1, GH25, and GH13_31. In addition, cytochrome P450 analysis revealed that the abundance of CYP51 and CYP512 decreased with FBN treatment. An assessment of antibiotic resistance based on the Comprehensive Antibiotic Resistance Database (CARD) annotation indicated that the cecal microbes from pigs in the FBN treatment group had increased resistance to lincosamide, streptogramin, and chloramphenicol and reduced resistance to amikacin, isepamicin, neomycin, lividomycin, gentamicin, paromomycin, ribostamycin, and butirosin. Finally, virulence factor-related analysis showed that putative hemolysin-associated functions were decreased, whereas fibronectin-binding protein, flagella, and alginate-associated functions were increased. Taken together, our data showed that FBN supplementation exerted only minor effects on intestinal morphology and microbial community composition, suggesting that it is potentially safe for use as a supplement in the diets of finishing pigs. However, more studies are needed to validate its functionality.Xiaoxiao Liang, Zhenya Zhai, Fengyun Ren, Yucheng Jie, Soo-Ki Kim, Kai-Min Niu, Xin Wu
1516 related Products with: Metagenomic characterization of the cecal microbiota community and functions in finishing pigs fed fermented .
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[Multiresistant tuberculosis in the Czech Republic (1999-2001)].
Multidrug-resistant (MDR) tuberculosis, defined as a disease caused by Mycobacterium tuberculosis strains, which are resistant to more antituberculous drugs (at least to isoniazid and rifampicin), is a problem frequently discussed in the Czech Republic. Cases of specific disease refractive to causal antituberculous therapy are associated with the risk of the spread of the causative agent among the population.M Havelková, I Hyncicová-Zemanová, V Príkazský, M Slosárek, J Janota
2626 related Products with: [Multiresistant tuberculosis in the Czech Republic (1999-2001)].
10.025 mg100 assays2 Pieces/BoxRelated Pathways
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