Otariodibacter

Otariodibacter is a genus of bacteria from the class of Pasteurellaceae with one known species (Otariodibacter oris).^[1][3][4][2] Otariodibacter oris has been isolated from an oral swab from a Californian sea lion from the Copenhagen Zoo in Denmark in 2007.^[5][2]

Otariodibacter
Scientific classification
Domain:	Bacteria
Kingdom:	Pseudomonadati
Phylum:	Pseudomonadota
Class:	Gammaproteobacteria
Order:	Pasteurellales
Family:	Pasteurellaceae
Genus:	Otariodibacter Hansen et al. 2012[1]
Species:	O. oris
Binomial name
Otariodibacter oris Hansen et al. 2012[2]
Type strain
DSM 23800

Etymology

The binomial name Otariodibacter oris is derived from:

• Otario-, referring to the marine mammal family Otariidae (eared seals such as sea lions),
• -di-, meaning “from” or “of”,
• -bacter, from Greek *baktērion*, meaning “small rod”.

The species epithet oris is derived from Latin *os, oris*, meaning "mouth", referring to the site of isolation.

Thus, the full name means "rod-shaped bacterium from the mouth of an otariid (sea lion)."

Characteristics

Otariodibacter oris exhibits the following traits:

• Gram-negative
• Rod-shaped
• Non-motile
• Facultatively anaerobic

It is positive for both catalase and oxidase activity. The bacterium grows on blood agar under aerobic and microaerophilic conditions.

Habitat

Otariodibacter oris was isolated from an oral swab of a captive Californian sea lion (Zalophus californianus). It is presumed to be a commensal species within the oral microbiome of marine mammals.

Type strain

The type strain of Otariodibacter oris is:

• DSM 23800
• Also referred to as strain T-1
• Deposited in the Deutsche Sammlung von Mikroorganismen und Zellkulturen (DSMZ)