[MARMAM] New publication: Fatal pulmonary parafilaroidiasis in a free-ranging subantarctic fur seal

Laura Reisfeld laurinhaz at hotmail.com
Sat Aug 3 18:38:38 PDT 2019


Dear Colleagues,

On behalf of all co-authors, I am pleased to announce the publication of our article about fatal pulmonary parafilaroidiasis in a free-ranging subantarctic fur seal (Arctocephalus tropicalis) coinfected with two gammaherpesviruses and Sarcocystis sp.


Reisfeld L, Sacristan C, Sanchez-Sarmiento AM, Costa-Silva S, Diaz-Delgado J, Groch KR, Marigo J, Ewbank AC, Favero CM, Mariotti Guerra J, Ressio RA, Cremer MJ, Esperon F, Catao-Dias JL. (2018). Fatal pulmonary parafilaroidiasis in a free-ranging Subantarctic fur seal (Arctocephalus tropicalis) coinfected with two gammaherpesviruses and Sarcocystis sp. Brazilian Journal of Veterinary Parasitology. http://dx.doi.org/10.1590/s1984-29612019029


In this manuscript we described a case of disseminated verminous pneumonia due to Parafilaroides sp. in a juvenile subantarctic fur seal (Arctocephalus tropicalis) found dead in Santa Catarina state, southern Brazil. A concomitant infection with two different gammaherpesviruses was identified by PCR in different tissues; one of them possibly a novel species (tentatively named Otariid herpesvirus 7). Sarcocystis sp. DNA was identified molecularly in skeletal muscle samples with intrasarcoplasmic bradyzoites and no apparent tissue response. All analyzed samples (mandibular, laryngeal, tracheal, and mesenteric lymph nodes, and lung) were PCR-negative for Brucella spp. The most likely cause of death was severe pulmonary parafilaroidiasis. The pathogenic role of the gammaherpesviruses in several of the tissues was not evident. This study describes the pathogenicity of Parafilaroides sp. in a subantarctic fur seal, widens the host range of herpesvirus in pinnipeds, and reports the first molecular identification of Sarcocystis sp. in this species.


You can discover more in the links:  https://www.ncbi.nlm.nih.gov/pubmed/31365717  and

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-29612019005011101&lng=en&nrm=iso&tlng=en


The article is available at link above or email:

lauravet at aquariodesaopaulo.com.br<mailto:lauravet at aquariodesaopaulo.com.br>

Best regards

Laura Reisfeld

DVM, MSc,

Aquario de Sao Paulo
Laboratory of  Wildlife Comparative Pathology - LAPCOM

School of  Veterinary Medicine and Animal Sciences - FMVZ
University of São Paulo (Brazil)

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