[MARMAM] New publication: Erysipelas with preferential brain and skin involvement in a Mediterranean bottlenose dolphin Tursiops truncatus (Laura Martino)

Laura laura.martino98 at gmail.com
Mon Feb 5 00:43:31 PST 2024


Dear all,
Me and coauthors are pleased to announce the publication of our
paper Erysipelas with preferential brain and skin involvement in a
Mediterranean bottlenose dolphin Tursiops truncatus, in the journal
Diseases of Aquatic Organisms. The publication is open access, and is
available at


https://www.int-res.com/abstracts/dao/v157/p31-43/

See below the abstract of the publication:

Erysipelas with preferential brain and skin involvement in a Mediterranean
bottlenose dolphin Tursiops truncatus

Laura Martino, Bárbara Serrano, Jaume Alomar, Lola Pérez, Virginia Aragon,
Àlex Cobos, Maria Lourdes Abarca, Zeinab Yazdi, Esteban Soto, Mariano
Domingo

ABSTRACT: Infections by Erysipelothrix rhusiopathiae occur in domestic
animals and cause the disease known as ‘erysipelas’. The ubiquity of
Erysipelothrix spp. makes infection possible in a wide range of vertebrates
and invertebrates. Cetaceans are highly susceptible to erysipelas,
especially those under human care. The number of cases documented in wild
cetaceans is low, the pathogenesis is incompletely understood, and the full
spectrum of lesions is not well defined. The possible serotypes and species
of the genus that can cause disease are unknown. In October 2022, a common
bottlenose dolphin Tursiops truncatus stranded in Vilassar de Mar
(Catalonia) showing skin lesions consistent with ‘diamond skin disease’, a
characteristic lesion of erysipelas shared by swine and cetaceans. Necropsy
was performed following standardized procedures, and multiple samples were
taken for histopathology and bacteriology. Erysipelothrix sp. grew in pure
culture in many tissue samples. Genetic characterization by multi-locus
sequence analysis identified the species as E. rhusiopathiae.
Histologically, the main lesions were an intense suppurative vasculitis of
leptomeningeal arteries and veins with abundant intramural Gram-positive
bacilli and meningeal hemorrhages. Meningeal lesions were considered the
cause of death. The affected skin showed moderate suppurative dermatitis.
Herein we document a case of erysipelas in a Mediterranean common
bottlenose dolphin with unusual lesions in the leptomeningeal vessels and
marked skin tropism. To our knowledge, this is the first case of severe
brain involvement in erysipelas in a cetacean. We also provide a review of
available cases in wild cetaceans, to highlight the characteristics of the
disease and improve future diagnosis.
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