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bifidobacteria gut microbiota microbiome probiotics bacteriophage phages antibiotics microbial infant gut microbial ecology intestinal microbiome host-microbe interactions intestinal fungi microbial ecosystems metagenomics microbial DNA sequencing bifidobacterium genomic irritable bowel syndrome


Volume 2, Issue 3 (2023) –

Cover Picture: Dietary plant fibers affect gut microbiota composition; however, the underlying microbial degradation pathways are not fully understood. We previously discovered 3-O-α-D-galactosyl-α-L-arabinofuranosidase (GAfase), a glycoside hydrolase family 39 enzyme involved in the assimilation of side chains of arabinogalactan protein (AGP), from Bifidobacterium longum subsp. longum (B. longum) JCM7052. Although GAfase homologs are not highly prevalent in the Bifidobacterium genus, several Bifidobacterium strains possess the homologs. To explore the differences in substrate specificity among the homologs, a homolog of B. longum GAfase in Bifidobacterium pseudocatenulatum MCC10289 (MCC10289_0425) was characterized.
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