First isolation of Brucella pinnipedialis and detection of Brucella antibodies from bearded seals ( Erignathus barbatus )

Brucella species infecting marine mammals was first reported in 1994 and in the years since has been documented in various species of pinnipeds and cetaceans. While these reports have included species that inhabit Arctic waters, the few available studies on bearded seals Erignathus barbatus have fai...

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Bibliographic Details
Published in:Diseases of Aquatic Organisms
Main Authors: Foster, G, Nymo, IH, Kovacs, KM, Beckmen, KB, Brownlow, AC, Baily, JL, Dagleish, MP, Muchowski, J, Perrett, LL, Tryland, M, Lydersen, C, Godfroid, J, McGovern, B, Whatmore, AM
Format: Article in Journal/Newspaper
Language:English
Published: 2018
Subjects:
Antibodies
Bearded seal
Brucella pinnipedialis
Isolation
MLST
/dk/atira/pure/sustainabledevelopmentgoals/life_below_water
name=SDG 14 - Life Below Water
Arctic
Svalbard
Bering Sea
Chukchi Sea
Bering Strait
bearded seal
Chukchi
Erignathus barbatus
Online Access:https://pure.sruc.ac.uk/en/publications/34215f85-02b6-4537-82b9-612c51c59045
https://doi.org/10.3354/dao03211
https://pure.sruc.ac.uk/ws/files/15263125/14801.pdf
Description
Summary:Brucella species infecting marine mammals was first reported in 1994 and in the years since has been documented in various species of pinnipeds and cetaceans. While these reports have included species that inhabit Arctic waters, the few available studies on bearded seals Erignathus barbatus have failed to detect Brucella infection to date. We report the first isolation of Brucella pinnipedialis from a bearded seal. The isolate was recovered from the mesenteric lymph node of a bearded seal that stranded in Scotland and typed as ST24, a sequence type associated typically with pinnipeds. Furthermore, serological studies of free-ranging bearded seals in their native waters detected antibodies to Brucella in seals from the Chukchi Sea (1990-2011; 19%) and Svalbard (1995-2007; 8%), whereas no antibodies were detected in bearded seals from the Bering Sea or Bering Strait or from captive bearded seals.

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