Oligella otitidis sp. nov., isolated from middle ear discharge of children with chronic suppurative otitis media

Authors

Beissbarth, J., Atto, B., Mandal, P. K., Cleanthous, A., Harrison, B., Gill, N. J., Smith-Vaughan, H. C., Kleinecke, M., Rigas, V., Leach, A. J., Morris, P. S., Marsh, R. L.

Abstract

Oligella otitidis MSHR-50489EDL strain (ATCC: TSD462; DSMZ: DSM118617) is a new species of the genus Oligella that was isolated from a middle ear discharge swab from a child with chronic suppurative otitis media (CSOM). This Gram-negative coccobacillus produces small, circular, smooth, whitish-opaque and occasionally mucoid colonies. It grows in aerobic conditions at a temperature range from 25-42oC. Phylogenetic analysis demonstrates a relationship to other species of the genera Oligella and average nucleotide identity and digital DNA/DNA hybridization values indicate a distinct species in comparison to other Oligella species. Thus far, the majority of isolates exhibit resistance to ciprofloxacin, the first line treatment for CSOM.

Preprint server: bioRxiv
The authors list and abstract were imported from bioRxiv on 02 Jul 2026.

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