Publications and Presentations

Peer Reviewed Publications

2020

Whoriskey S.T, Duignan P.J, McClain A, Seguel M, Gulland F.M.D, Johnson S, Field C. Diagnoses and Treatment of Sarcocystis-associated Polyphasic Rhabdomyositis in California Sea Lions (Zalophus californianus). In press. Journal of American Veterinary Medical Association.

Seguel M*, George C, Maboni G, Sanchez S, Page-Karjian A, Wirth E, McFee W, Gottdenker N. Pathologic findings and causes of death in bottlenose dolphins (Tursiops truncatus) stranded along the Georgia Coast, USA (2007–2013). In press. Diseases of Aquatic Organisms. doi.org/10.3354/dao03509

Alvarado-Rybak M⁺, Toro-Cortes F, Abarca P, Paredes E, Espanol-Jimenez S, Seguel M*. 2020. Pathological Findings in Cetaceans Sporadically Stranded along the Chilean Coast. Frontiers in Marine Science doi.org/10.3389/fmars.2020.00684

Müller A, Gutiérrez R, Seguel M, Monti G, Otth C, Bittencourt P, Sepúlveda P, Alabí A, Nachum-Biala Y, Harrus S. Molecular survey of Bartonella spp. in rodents from Valdivia and wild rodent-fleas from Guafo Island, Southern Chile. In press. doi.org/10.1016/j.actatropica.2020.105672

Maboni G, Seguel M, Lorton A, Sanchez S. 2020. Unique antimicrobial resistance patterns of animal-associated Acinetobacter spp. reveal high rate of multidrug resistance. Veterinary Microbiology 245: 108702. 10.1016/j.vetmic.2020.108702

Perez-Venegas D, Toro-Valdivieso C, Ayala F, Brito B, Iturra L, Arriagada M, Seguel M, Barrios C, Sepúlveda M, Oliva D, Cárdenas-Alayza S, Castro-Nallar C, Galban-Malagon C. 2020. Monitoring the occurrence of microplastic ingestion in Otariids along the Peruvian and Chilean coasts. Marine Pollution Bulletin. 153: 110966. 10.1016/j.marpolbul.2020.110966

2019

Siyadatpanah A, Gholami S, Daryani A, Sarvi S, Sharif M, Seguel M., … Anvari, D. 2019. The Prevalence of Intestinal Helminths in Free-Ranging Canids of Mazandaran, Northern Iran. Iranian Journal of Parasitology 14: 563-571. doi.org/10.18502/ijpa.v14i4.2098

Seguel M, Beechler B, Coon C, Snyder P.W, Spaan J.M, Jolles A.E, Ezenwa V.O. Immune stability predicts tuberculosis infection risk in a wild mammal. Proceedings of the Royal Society B. 286: 20191401 doi.org/10.1098/rspb.2019.1401

Seguel M, Colegrove K.M, Field C, Whoriskey S, Norris T, Duignan PJ. 2019. Polyphasic rhabdomyositis in California sea lions (Zalophus californianus): pathology and potential causes. Veterinary Pathology. doi.org/10.1177/0300985819829526

Montalva F*, Perez-Venegas D, Gutierrez J, Seguel M. 2019. The contrasting hidden consequences of parasitism: Effects of a hematophagous nematode (Uncinaria sp.) in the development of a marine mammal swimming skills. Ecology and Evolution. *Mentored Student. onlinelibrary.wiley.com/doi/full/10.1002/ece3.4914

Maboni G, Seguel M, Lorton A, Berghaus R, Sanchez S. Canine infectious respiratory disease: new insights into the etiology and epidemiology of associated pathogens. PLOS One. 14(4): e0215817. doi.org/10.1371/journal.pone.0215817

Seguel M, Perez-Venegas D, Gutierrez J, Crocker D.E, DeRango E.J. Hookworm parasitism elicits a stress response that allocates resources for immune response in South American fur seal (Arctocephalus australis). Physiological and Biochemical Zoology. 96: 326-338 . www.journals.uchicago.edu/doi/pdfplus/10.1086/702960

Van Sant F, Hassan SM, Reavill D, McManamon R, Howerth E, Seguel M, Loftis K, Gregory CR, Ciembor P, Ritchie BW. 2019. Evidence of bromethalin toxicosis in feral San Francisco “Telegraph Hill” conures. PLOS One. journals.plos.org/plosone/article?id=10.1371/journal.pone.0213248

2018

Seguel M, Montalva F, Perez-Venegas D, Gutierrez J, Paves H, Muller A, Valencia C, Howerth E, Mendiola V, Gottdenker N. Immune mediated hookworm clearance and survival of a marine mammal decreases with warmer ocean temperatures. eLife 7: 1-31. https://elifesciences.org/articles/38432

Seguel M, Calderón K, Colegrove K, Adkesson M, Cárdenas-Alayza S, Paredes E. 2018. Helminth and Respiratory Mite Lesions in Pinnipeds from Punta San Juan, Peru. Acta Parasitologica. 63: 839-844. https://doi.org/10.1515/ap-2018-0103

Seguel M, Nadler S, Field C, Duignan PJ. Vasculitis and thrombosis due to the sea lion lungworm, Parafilaroides decorus, in a Guadalupe fur seal (Arctocephalus philippii townsendi). Journal of Wildlife Diseases. 54: 638-641. https://doi.org/10.7589/2017-12-291

Seguel M, Muñoz M, Perez-Venegas D, Muller A, Pavés H, Gottdenker N. 2018. The life history strategy of a fur seal hookworm in relation to pathogenicity and host health status. International Journal for Parasitology: Parasites and Wildlife. 7:251-260. https://doi.org/10.1016/j.ijppaw.2018.07.003

Seguel M, Paves H. 2018. Sighting Patterns and Habitat Use of Marine Mammals at Guafo Island, Northern Chilean Patagonia, during eleven summer seasons. Revista de Biologia Marina y Oceanografia. 53:237-250 doi.org/10.22370/rbmo.2018.53.2.1296

Seguel M, Gutierrez J, Hernandez C, Montalva F, Verdugo C. 2018. Respiratory Mites (Orthohalarachne diminuata) and ß-hemolytic Streptococci Associated Bronchopneumonia Outbreak in South American Fur Seal Pups (Arctocephalus australis). Journal of Wildlife Diseases. 54:380-385. https://doi.org/10.7589/2017-09-214

Perez-Venegas D, Seguel M, Paves H, Pulgar J, Urbina M, Ahrendt C, Pulgar J. (2018). Ingestion of plastic microfibers in the South American fur seal (Arctocephalus australis (Zimmermann, 1783) in the Chilean Northern Patagonia. Marine Pollution Bulletin. 125(1-2):530-34. www.sciencedirect.com/science/article/pii/S0025326X18306374

Rodrigues P, Seguel M, Gutierrez J, Paves H, Verdugo C. Genetic connectivity of South American fur seals (Arctocephalus australis) across Atlantic and Pacific Oceans revealed by mitochondrial genes. Aquatic Conservation. 28:315-323.

https://doi.org/10.1002/aqc.2870

2017

Perez-Venegas D, Pavés H, Pulgar J, Ahrendt C, Seguel M, Galbán-Malagón. Coastal Debris Survey in a Pristine Island of the Chilean Northern Patagonia. (2017). Marine Pollution Bulletin. 125(1-2):530-34. https://doi.org/10.1016/j.marpolbul.2017.09.026

Stimmelmayr R, Rottstein D, Seguel M, Gottdenker N. (2017). Hepatic Lipomas and Myelolipomas in subsistence harvested bowhead whales (Balaena mysticetus), Barrow, Alaska: A case review 1980-2016. Diseases of Aquatic Organisms. 127(1):71-74.

https://doi.org/10.3354/dao03186

Rodrigues P, Gutierrez J, Seguel M, Verdugo C. (2017). Complete mitochondrial genome of the South American fur seal (Arctocephalus australis). Mitochondrial DNA Part B. 2(2):871-72. http://www.tandfonline.com/doi/full/10.1080/23802359.2017.1407692

Perez-Venegas D, Pavés H, Pulgar J, Ahrendt C, Seguel M, Galbán-Malagón. Coastal Debris Survey in a Pristine Island of the Chilean Northern Patagonia. In press. Marine Pollution Bulletin. http://www.sciencedirect.com/science/article/pii/S0025326X17307610

Seguel M, Muñoz F, Paredes E, Paves H, Navarrete MJ, Schlatter R, Gottdenker N. (2017) Pathologic findings in wild black rats (Rattus rattus) captured at Guafo Island, Northern Chilean Patagonia. Journal of Comparative Pathology, 157(2): 163-173. https://doi.org/10.1016/j.jcpa.2017.07.006

Seguel M, Muñoz M, Montalva F, Perez-Venegas D, Pavés H, Gottdenker N. (2017) Kelp and dolphin gulls cause perineal wounds in South American fur seals at Guafo Island, Chilean Patagonia. Royal Society Open Science. 4: 170638. http://rsos.royalsocietypublishing.org/content/4/7/170638

Seguel M and Gottdenker N. (2017) The diversity and impact of hookworm infections in wildlife. International Journal of Parasitology: Parasites and Wildlife. 6: 177-194.

http://www.sciencedirect.com/science/article/pii/S2213224417300081

Seguel M, Gottdenker N, Colegrove K, Johnson S, Struve C, Howerth E. (2017) Pathology and antigen tissue distribution in California sea lions (Zalophus californianus) naturally infected with hypervirulent Klebsiella pneumoniae. . Veterinary Pathology. 54: 846-50. http://journals.sagepub.com/doi/abs/10.1177/0300985817705172

2016

Seguel M, Halaska B, Johnson S, Gottdenker N. (2016) Ectopic pregnancy in a California sea lion (Zalophus californianus). The Brazilian Journal of Veterinary Pathology. 9: 118-122 http://bjvp.org.br/wp-content/uploads/2016/11/v9-n3-7.pdf

Seguel M, Muñoz F, Navarrete MJ, Howerth E, Paredes E, Gottdenker N. (2017) Hookworm infection in South American fur seal (Arctocephalus australis) pups: pathology and factors associated with host tissue damage and mortality. Veterinary Pathology. 54: 288-297. http://journals.sagepub.com/doi/abs/10.1177/0300985816677151

Kent M, Glass EN, Haley AC, Shaikh LS, Seguel M, Blas-Machado U, Bishop TM, Holmes SP, Platt SR. (2016). Hydrocephalus secondary to obstruction of the lateral apertures in two dogs. Australian Veterinary Journal, 94: 415–422.

http://onlinelibrary.wiley.com/doi/10.1111/avj.12510/full

Seguel M, Muñoz F, Keenan A, DeRango G, Paves H, Gottdenker N, Muller A. (2016). Hematology and Serum Chemistry Parameters in Free-Ranging South American Fur Seals (Arctocephalus australis). Journal of Wildlife Diseases, 52: 663-668

http://www.jwildlifedis.org/doi/abs/10.7589/2015-11-293

Seguel M, Stimmelmayr R, Howerth E, Gottdenker N. (2016). Mast cell tumor and possible paraganglioma in a free-ranging walrus (Odobenus rosmarus). Journal of Wildlife Diseases. 52: 402-410. http://www.jwildlifedis.org/doi/abs/10.7589/2015-07-182

2015-2011

Comolli J, Olsen H, Seguel M, Schnellbacher R, Fox A, Divers S, Sakamoto K. 2015. Ameloblastoma in a Wild Black Rat Snake (Pantherophis alleghaniensis). Journal of Veterinary Diagnostic Investigation, 27:536-539. Cover of the Journal (July 2015).

http://vdi.sagepub.com/content/early/2015/06/12/1040638715590652.abstract

Seguel M, Howerth E., Ritter J, Paredes E., Colegrove K, Gottdenker N. 2015. Encephalitozoonosis (Encephalitozoon sp.) in two South American fur seal (Arctocephalus australis) pups. Veterinary Pathology. 52:720-723.

http://vet.sagepub.com/content/52/4/720

Sepúlveda M, Seguel M, Alvarado-Rybak M, Verdugo C, Muñoz-Zanzi C, Tamayo R. 2015. Postmortem Findings in four South American Sea Lion (Otaria byronia) from an Urban Colony in Valdivia, Chile. Journal of Wildlife Diseases, 51:279-282.

http://www.bioone.org/doi/abs/10.7589/2013-07-161

Seguel M., Paredes E., Pavés H., & Gottdenker N. L. 2014. Capture‐induced stress cardiomyopathy in South American fur seal pups (Arctophoca australis gracilis). Marine Mammal Science, 30:1149-1157.

(http://onlinelibrary.wiley.com/doi/10.1111/mms.12079/abstract).

Article highlighted by Science magazine on “Science shots” http://news.sciencemag.org/biology/2013/11/scienceshot-studying-fur-seals-can-give-them-heart-attack

Seguel M, Pavés H, Paredes E, Schlatter R. 2013. Causes of mortality in South American fur seal (Arctocephalus australis) pups at Guafo Island, southern Chile (2004-2008). Marine Mammal Science, 29: 36-47.

http://onlinelibrary.wiley.com/doi/10.1111/j.1748-7692.2011.00534.x/full

Seguel M, Gonzalez D, Mathieu C, Hernandez C, Paredes E. 2012. Immunosuppressive syndrome in Juvenile Black-faced ibises (Theristicus melanopis melanopis) in southern Chile. Avian Diseases, 56: 611-615.

http://www.aaapjournals.info/doi/abs/10.1637/9956-100611-Case.1?journalCode=avdi) .

Seguel M, Moroni M, Gomez M, Hernandez C and Paredes E. 2012. Bacterial meningoencephalitis in a Chimango Caracara (Milvago chimango). Brazilian Jornal of Veterinary Pathology, 5: 16-19.

https://www.researchgate.net/publication/261180304_Bacterial_meningoencephalitis_in_a_free_Chimango_Caracara

Seguel M, Paredes E, Pavés H, Molina R, Henriquez F, De Groote F and Schlatter R. 2011. Pathological findings in South American fur seal pups (Arctocephalus australis) found dead at Guafo Island, Southern Chile. Journal of Comparative Pathology 145: 308-317. Cover of the Journal (November 2011)

(http://www.sciencedirect.com/science/article/pii/S0021997511000090).

Selected Presentations in Meetings and Seminars.

M. Seguel, F. Muñoz, A. Muller, E. Howerth, N. Gottdenker. Hookworm Clearance in South American fur seal pups: Mechanisms and role in pup survival. Oral presentation at the annual meeting of the American College of Veterinary Pathologists, Vancouver, Canada, November 2017. ACVP resident/grad student travel award.

F. Montalva^*, M. Seguel. Where is mom? Maternal care in the South American fur seals at Guafo Island, Chilean Patagonia. Oral presentation at the biannual meeting of the Society for Marine Mammalogy, Halifax, NS, Canada, Oct 2017. (^*Mentored student)

M. Seguel, F. Montalva, D. Perez-Venegas, J. Gutierrez, H. Pavés, V. Alvarado. N. Gottdenker. Live fast and die young: Virulence of otariid hookworms is related to their life history traits and adaptations to their host lifestyle. Oral presentation at the biannual meeting of the Society for Marine Mammalogy, Halifax, NS, Canada, Oct 2017.

M. Seguel, K. Colegrove, C. Field, E.W. Howerth, P. Duignan. Sarcocystis sp. Associated Polymyositis in Stranded California Sea Lions (Zalophus californianus). Poster presentation at the International Meeting of the Wildlife Disease Association, July 2017, Chiapas, Mexico.

M. Seguel, F. Muñoz, A. Muller, E. Howerth, N. Gottdenker. Hookworm Clearance in South American fur seal pups: Mechanisms and role in pup survival. Oral presentation at the annual International meeting of the International Association of Aquatic Animal Medicine, Cancun, Mexico, May 2017. (Best Student Presentation Award)

M. Seguel, F. Muñoz, MJ Navarrete, E. Paredes, H. Pavés, R Schlatter, N. Gottdenker. Hookworm disease in South American fur seals at Guafo Island, Northern Chilean Patagonia. Oral presentation at the annual international meeting of the Wildlife Disease Association, Twin Waters, Queensland, Australia, July 2015. (WDA student travel award). Link to the conference abstracts

M. Seguel, F. Muñoz, A. Keenan, E. Paredes, H. Pavés, R Schlatter, N. Gottdenker. The Ecoimmunology of South American fur seals with hookworm (Uncinaria sp.) infection. Poster presented at the “Ecology and Evolution of Infectious Diseases” meeting, Athens, GA. May 2015.

M. Seguel, F. Muñoz, MJ Navarrete, E. Paredes, H. Pavés, R Schlatter, N. Gottdenker. The Pathology of Hookworm infection in South American fur seal pups. Oral presentation at the annual meeting of the American College of Veterinary Pathologists, Atlanta, GA, October 2014. (ACVP resident travel award).

M. Seguel, F. Muñoz, E. Paredes, H. Pavés, M.J. Navarrete, R Schlatter, N. Gottdenker. (2013). The Effect of Hookworm Infection on free-ranging South American fur seal (Arctophoca australis gracilis) pups heath status at Guafo Island, Chile. Oral presentation at the international meeting of the wildlife disease association at Albuquerque, New Mexico, USA.

M. Seguel, F. Muñoz, MJ Navarrete, E. Paredes, H. Pavés, R Schlatter, N. Gottdenker. Hookworm disease in South American fur seal pups at Guafo Island, Northern Chilean Patagonia. Oral presentation at the XXXIV international meeting of the Mexican Society for marine mastozoology, Queretaro, Mexico, May 2014 (Third place doctoral student presentation)

M. Seguel, F. Muñoz, E. Paredes, H. Pavés, R Schlatter, N. Gottdenker. Effect of hookworm (Uncinaria sp.) infection on the red and white blood cell counts of free-ranging South American fur seal (Arctocephalus australis) pups. Abstract presented at the 2014 Research and Coordination network on Ecoimmunology meeting.

M. Seguel, F. Muñoz, E. Paredes, H. Pavés, M.J. Navarrete, R Schlatter, N. Gottdenker. (2013). Hookworm Disease in South American fur seal (Arctophoca australis gracilis) pups at Guafo Island, Chile. Poster presented at the international meeting of the wildlife disease association at Knoxville, Tennessee and at the Research day symposium in the College of Veterinary Medicine, University of Georgia, Athens, Georgia (First place resident poster competition).

Mauricio Seguel, Nicole Gottdenker, Elizabeth Howerth, Enrique Paredes, Kathleen M. Colegrove. (2013). Microsporidian Granulomatous Encephalitis in a South American fur seal pup. Oral presentation at the VI C.L Davis Marine histopathology workshop, Sausalito, California.

Seguel M., Paredes E., Pavés H., Gottdenker N. L. (2013). Acute capture stress in South American fur seal pups (Arctophoca australis gracilis). Oral presentation at the annual meeting of International Association of Aquatic Animal Medicine, Sausalito, California (Student Travel award).

Galaxia Cortes-Hinojosa, Michael Adkesson, Mauricio Seguel, Hector Paves, Thomas B. Waltzek, James F.X. Wellehan Jr. (2013). Adenoviral Diversity and Possible Host Jumps in a Colony of South American fur seals (Arctocephalus australis) and Humboldt Penguins (Spheniscus humboldti). Presented at the American Association of Zoo Veterinarians annual meeting, Salt Lake City, Utah.