2022
DOI: 10.3389/fnut.2022.853271
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Analysis of Lactobacillus rhamnosus GG in Mulberry Galacto-Oligosaccharide Medium by Comparative Transcriptomics and Metabolomics

Abstract: Lactobacillus rhamnosus GG (LGG) has strong acid resistance and can survive passing through the stomach to colonize the intestines, where it promotes the growth of beneficial bacteria. Prebiotics such as mulberry galacto-oligosaccharide (MGO), mulberry polysaccharide solution (MPS), and galactooligosaccharides (GOS) promote LGG proliferation, and MGO has the greatest effect. After culturing LGG with prebiotics, changes in gene expression were studied at the transcriptomic and metabolomic levels. The results sh… Show more

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Cited by 7 publications
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“…The direction and dynamics of amino acid metabolism, and consequently also the modifications of the profiles of extracellular and intracellular metabolites by LAB, are, therefore, an individual issue, depending on the specificity of the strain, the type of medium in which the fermentation process is carried out, and the type/availability of substrates. This has been proven, among others, in a study [75] in which L. rhamnosus GG was cultured in a modified MRS medium supplemented with various carbon sources, including galacto-oligosaccharides and β-mannase. Subsequently, combined transcriptomics and metabolomics analysis revealed alterations in pathways associated with membrane transport, amino acid metabolism, and carbohydrate metabolism.…”
Section: Changes In Amino Acid Profile and Content During Fermentationmentioning
confidence: 82%
“…The direction and dynamics of amino acid metabolism, and consequently also the modifications of the profiles of extracellular and intracellular metabolites by LAB, are, therefore, an individual issue, depending on the specificity of the strain, the type of medium in which the fermentation process is carried out, and the type/availability of substrates. This has been proven, among others, in a study [75] in which L. rhamnosus GG was cultured in a modified MRS medium supplemented with various carbon sources, including galacto-oligosaccharides and β-mannase. Subsequently, combined transcriptomics and metabolomics analysis revealed alterations in pathways associated with membrane transport, amino acid metabolism, and carbohydrate metabolism.…”
Section: Changes In Amino Acid Profile and Content During Fermentationmentioning
confidence: 82%