Ellagibacter

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Ellagibacter
Scientific classification Edit this classification
Domain: Bacteria
Kingdom: Bacillati
Phylum: Actinomycetota
Class: Coriobacteriia
Order: Eggerthellales
Family: Eggerthellaceae
Genus: Ellagibacter
Beltrán et al. 2018
Type species
Ellagibacter isourolithinifaciens
Beltrán et al. 2018

Ellagibacter is a genus of Gram-positive and strictly anaerobic bacteria in the family Eggerthellaceae, within the phylum Actinomycetota. The type and only species, Ellagibacter isourolithinifaciens, was isolated from a fecal sample of a healthy human.[1]

Etymology

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The genus name Ellagibacter is derived from modern Latin: acidum ellagicum (ellagic acid) and bacter (rod), meaning "ellagic acid-transforming rod."

Characteristics

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Members of this genus are obligate anaerobes that play a role in polyphenol metabolism in the human gut microbiome. E. isourolithinifaciens is known to convert ellagic acid into isourolithin A, a urolithin metabolite with potential health benefits including anti-inflammatory and antioxidant effects.[1][2]

Species

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As of 2025, the genus Ellagibacter includes only one validly published species:

References

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