What question did this study set out to answer?

The aim is to characterize the genome of Bifidobacterium canis SY61, particularly its ability to produce sialidase.

February 2, 2026Open Access

Genome sequence of Bifidobacterium canis SY61, a sialidase-producing bacterium isolated from canine feces

YYYuji YamamotoOnomichi General Hospital MTMayu TakahashiKitasato University AYAina YamaguchiKitasato University

Key Points

The aim is to characterize the genome of Bifidobacterium canis SY61, particularly its ability to produce sialidase.
Isolated Bifidobacterium canis from canine feces.
Conducted genome sequencing to obtain genomic data.
Analyzed carbohydrate metabolism pathways associated with sialidase production.
Identified Bifidobacterium canis SY61 as a sialidase producer.
Provided the first comprehensive genomic resource for this species.
Enhanced understanding of carbohydrate utilization in canine gut microbiota.

Abstract

ABSTRACT Sialidase facilitates the utilization of host mucin glycans and milk oligosaccharides by intestinal bacteria. We identified Bifidobacterium canis SY61 as a sialidase-producing canine gut bacterium and sequenced its genome, providing the first gap-free genomic resource for this species and advancing our understanding of carbohydrate metabolism in the canine intestinal microbiota.

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