Sebastián Alejandro Muñoz Leal

Profesor asistente

Universidad de Concepción

Chillán, Chile

Líneas de Investigación

Ticks transmit disease to their animal hosts and humans. I am interested in the biology of hard ticks and soft ticks, and in their role as vectors of tick-borne spirochetes (Borrelia) in South America.


  •  Ticks and tick-borne diseases, UNIVERSIDADE DE SAO PAULO. Brasil, 2017
  •  Veterinarian, UNIVERSIDAD DE CONCEPCION. Chile, 2013

Experiencia Académica

  •   Pofessor (Assistant) Full Time


    Faculty of Veterinary Sciences

    Chillán, Chile

    2020 - A la fecha

Experiencia Profesional

  •   Postdoctoral fellow Full Time

    Universidad de São Paulo

    São Paulo, Brasil

    2018 - 2020


Article (94)

A Novel Genospecies of Borrelia burgdorferi Sensu Lato Associated with Cricetid Rodents in Brazil
Apicomplexans in small mammals from Chile, with the first report of the Babesia microti group in South American rodents
Comparative genomics of the Western Hemisphere soft tick‑borne relapsing fever borreliae highlights extensive plasmid diversity
Historical overview and update on relapsing fever group Borrelia in Latin America
New records of soft ticks (Acari: Argasidae) in the Caatinga biome of Brazil, with a phylogenetic analysis of argasids using the nuclear Histone 3 (H3) gene
Novel genotypes of Hepatozoon spp. in small mammals, Brazil
Ornithodoros (Pavlovskyella) ticks associated with a Rickettsia sp. in Pakistan
Ornithodoros cf. mimon infected with a spotted fever group Rickettsia in Brazil
Rickettsia spp. in ticks from a tropical dry forest reserve on Mexico's Pacific Coast
Seroprevalence and hematological abnormalities associated with Ehrlichia canis in dogs referred to a veterinary teaching hospital in central-western Brazil
Soft and hard ticks (Parasitiformes: Ixodida) on humans: A review of Brazilian biomes and the impact of environmental change
A Borrelia sp. in Ornithodoros octodontus (Argasidae)
A new species of soft tick from dry tropical forests of Brazilian Caatinga
An Hepatozoon americanum-like protozoan in crab-eating (Cerdocyon thous) and grey pampean (Lycalopex gymnocercus) foxes from Uruguay
Borrelioses in Brazil: Is it time to consider tick-borne relapsing fever a neglected disease in Brazil?
Characterization of "Candidatus Ehrlichia Pampeana" in Haemaphysalis juxtakochi Ticks and Gray Brocket Deer (Mazama gouazoubira) from Uruguay
Coxiella burnetii and Related Tick Endosymbionts Evolved from Pathogenic Ancestors
In memoriam: a eulogy for Daniel Gonzalez-Acuna, 1963-2020
Life Cycle and Genetic Identification of Argas persicus Infesting Domestic Fowl in Khyber Pakhtunkhwa, Pakistan
Molecular Characterization of New Haplotype of Genus Sarcocystis in Seabirds from Magdalena Island, Southern Chile
Molecular detection of Rickettsia spp. in ticks associated with non-volant small mammals from the Brazilian Cerrado, with notes on a divergent morphotype of Ornithodoros guaporensis
Morphological descriptions of the nymph and adults of Ornithodoros clarki, the larva and nymph of Ornithodoros rondoniensis, with notes on their phylogenetic relationships
Novel Borrelia genotypes in bats from the Macaregua Cave, Colombia
Ornithodoros puertoricensis (Ixodida: Argasidae) Associated With Domestic Fowl in Rural Dwellings From Cordoba Department, Caribbean Colombia
Relapsing Fever Group Borreliae in Human-Biting Soft Ticks, Brazil
Risk factors associated with tick infestations on equids in Khyber Pakhtunkhwa, Pakistan, with notes on Rickettsia massiliae detection
"Candidatus Borrelia ibitipoquensis," a Borrelia valaisiana-Related Genospecies Characterized from Ixodes paranaensis in Brazil
Confirmation of Argas neghmei (Ixodida: Argasidae) in Peru and report of the Andean flicker (Colaptes rupicola) as a new host
Description of a new soft tick species (Atari: Argasidae: Ornithodoros) parasite of Octodon degus (Rodentia: Octodontidae) in northern Chile
Epidemiological aspects of Rickettsia parkeri in the Atlantic forest biome of Espirito Santo state, Brazil
Human toxicosis caused by the tick Ornithodoros spheniscus in a Chilean national park
Immature ticks on wild birds and the molecular detection of a novelRickettsiastrain in the Ibitipoca State Park, southeastern Brazil
Implications of domestic dogs in the epidemiology of Rickettsia parkeri strain Atlantic rainforest and Rangelia vitalii in Southeastern Brazil
New records and phylogenetic position of Ornithodoros knoxjonesi (Ixodida: Argasidae)
Ornithodoros capensis sensu stricto (Ixodida: Argasidae) in Coiba National Park: first report for Panama, with notes on the O. capensis group in Panamanian shores and Costa Rica
Ornithodoros cerradoensis n. sp. (Acari: Argasidae), a member of the Ornithodoros talaje (Guerin-Meneville, 1849) group, parasite of rodents in the Brazilian Savannah
Records of Ixodes percavatus sensu lato on Atlantic yellow-nosed albatrosses (Thalassarche chlororhynchos) on the Brazilian coast and offshore waters
Redescription of the larva, and description of the nymphal and adult stages of Ornithodoros peruvianus Kohls, Clifford & Jones, 1969 (Acari: Argasidae)
Retrospective and new records of ticks (Acari: Argasidae, Ixodidae) from the state of Maranhão, an Amazon-Cerrado transition area of Brazil
Rickettsial survey and ticks infesting small mammals from the Amazon forest in midwestern Brazil
Rodents as potential reservoirs for Borrelia spp. in northern Chile
Serosurvey on rickettsiae of the spotted fever group and Rickettsia bellii among dogs in the state of Goias, Brazil
A high gene flow in populations of Amblyomma ovale ticks found in distinct fragments of Brazilian Atlantic rainforest
A human case of spotted fever caused by Rickettsia parkeri strain Atlantic rainforest and its association to the tick Amblyomma ovale
A new species of Amblyomma (Atari: Ixodidae) associated with monkeys and passerines of the Atlantic rainforest biome, Southeastern Brazil
A relapsing fever Borrelia and spotted fever Rickettsia in ticks from an Andean valley, central Chile
A third species of Nothoaspis Keirans Clifford, 1975 (Acari: Argasidae): Nothoaspis setosus (Kohls, Clifford Jones, 1969) n. comb
Anaplasmataceae, Borrelia and Hepatozoon agents in ticks (Acari: Argasidae, Ixodidae) from Chile
Detected microorganisms and new geographic records of Ornithodoros rietcorreai (Acari: Argasidae) from northern Brazil
Detection of "Candidatus Rickettsia wissemanii" in ticks parasitizing bats (Mammalia: Chiroptera) in the northern Brazilian Amazon
Epidemiology of capybara-associated Brazilian spotted fever
Evaluation of antibodies against Toxoplasma gondii and Leptospira spp. in Magellanic penguins (Spheniscus magellanicus) on Magdalena Island, Chile
Leptus (Leptus) simonettae Haitlinger, 2000 (Trombidiformes: Erythraeidae) parasitizing a soft tick (Ixodida: Argasidae) in Brazil
Mild toxicosis after the bite of Ornithodoros rietcorreai: Images of a brief time-line description
Molecular detection of Rickettsia genus in chigger mites (Trombidiformes: Trombiculidae) collected on small mammals in southeastern brazilian
Molecular survey of tick-borne pathogens in small mammals from Brazilian Amazonia
New records of Ixodes amarali (Acari: Ixodidae) in the Amazon biome, with description of the male
Novel Ehrlichia sp. detected in Magellanic penguins (Sphenicus magellanicus) and in the seabird tick Ixodes uriae from Magdalena Island, southern Chile
Ticks (Ixodida: Argasidae, Ixodidae) of Brazil: Updated species checklist and taxonomic keys
A contribution to the knowledge of Quadraseta brasiliensis Goff and Gettinger, 1989 (Trombidiformes: Trombiculidae), with description of the deutonymph instar
A New Collection of Amblyomma parvitarsum (Acari: Ixodidae) in Peru, With Description of a Gynandromorph and Report of Rickettsia Detection
A new species of the genus Eutrombicula Ewing, 1938 (Trombidiformes: Trombiculidae) and new records for the species Eutrombicula batatas (Linnaeus, 1758) in Brazil
Blankaartia sinnamaryi (Trombidiformes: Trombiculidae) parasitizing birds in southeastern Brazil, with notes on Rickettsia detection
Confirming Rickettsia rickettsii as the etiological agent of lethal spotted fever group rickettsiosis in human patients from Espirito Santo state, Brazil
Detection of Rickettsia spp. in ticks associated to wild mammals in Northeastern Brazil, with notes on an undetermined Ornithodoros sp. collected from marsupials
Detection of Rickettsia spp. in ticks parasitizing toads (Rhinella marina) in the northern Brazilian Amazon
First molecular detection of Rickettsia sp strain Atlantic rainforest in Amblyomma ovale ticks from Espirito Santo state, Brazil
First record of Ornithodoros faccinii (Acari: Argasidae) on toads of genus Rhinella (Anura: Bufonidae) in Brazil
First report of Ornithodoros peropteryx in Brazil, and the occurrence of Ornithodoros cavernicolous in the western Brazilian Amazon
Isolated populations of Ixodes lividus ticks in the Czech Republic and Belgium host genetically homogeneous Rickettsia vini
Isolation and molecular characterization of a relapsing fever Borrelia recovered from Ornithodoros rudis in Brazil
New records of ticks infesting bats in Brazil, with observations on the first nymphal stage of Ornithodoros hasei
The geographic distribution of Argas (Persicargas) miniatus and Argas (Persicargas) persicus (Acari: Argasidae) in America, with morphological and molecular diagnoses from Brazil, Chile and Cuba
Ticks (Acari: Argasidae and Ixodidae) infesting amphibians and reptiles in Northeastern Brazil
Ticks, rickettsial and erlichial infection in small mammals from Atlantic forest remnants in northeastern Brazil
Wild birds as host of Borrelia burgdorferi sensu lato in northwestern Argentina
Description of a new soft tick species (Acari: Argasidae: Ornithodoros) associated with stream-breeding frogs (Anura: Cycloramphidae: Cycloramphus) in Brazil
Infestation by ticks Argasidae and Ixodidae on small wild mammals at the Experimental Station Rafael Fernandes, Mossoro/RN, Brazil
Record of an alleged extinct rodent: molecular analyses of the endemic Octodon pacificus from Chile
The Ornithodoros capensis group (Acari: Argasidae): a morphological diagnosis and molecular characterization of O. capensis sensu stricto from Queimada Grande Island, Brazil
A new species of Ornithodoros (Acari: Argasidae) from desert areas of northern Chile
A novel spotted fever group Rickettsia infecting Amblyomma parvitarsum (Acari: Ixodidae) in highlands of Argentina and Chile
Case Report: Rickettsia sp Strain Atlantic Rainforest Infection in a Patient from a Spotted Fever-Endemic Area in Southern Brazil
Liolaemus lizards (Squamata: Liolaemidae) as hosts for the nymph of Amblyomma parvitarsum (Acari: Ixodidae), with notes on Rickettsia infection
Novel Babesia and Hepatozoon agents infecting non-volant small mammals in the Brazilian Pantanal, with the first record of the tick Ornithodoros guaporensis in Brazil
Ticks infesting bats (Mammalia: Chiroptera) in the Brazilian Pantanal
Ticks parasitizing bats (Mammalia: Chiroptera) in the Caatinga Biome, Brazil
Two new species of Ornithodoros (Ixodida; Argasidae) from the Southern Cone of South America
Amblyomma parvitarsum (Acari: Ixodidae): localities, hosts and host-parasite ecology
A new flea, Ectinorus (Ectinorus) insignis n. sp (Siphonaptera, Rhopalopsyllidae, Parapsyllinae), with notes on the subgenus Ectinorus in Chile and comments on unciform sclerotization in the superfamily Malacopsylloidea
A new species of Ornithodoros (Acari: Argasidae), parasite of Microlophus spp. (Reptilia: Tropiduridae) from northern Chile
Philodryas chamissonis (Reptilia: Squamata: Colubridae) preys on the arboreal marsupial Dromiciops gliroides (Mammalia: Microbiotheria: Microbiotheriidae) [Philodryas chamissonis (Reptilia: Squamata: Dipsadidae) predando o marsupial arborícola Dromiciops gliroides (Mammalia: Microbiotheria: Microbiotheriidae)]

Letter (2)

Hyperparasitism in the seabird tick Ornithodoros amblus (Acari: Argasidae)
On the presence of Ornithodoros microlophi (Argasidae) in Peru

Proyecto (4)

Advanced culture techniques, next generation sequencing, and inmunoblot applied to the study of a Brazilian strains relapsing fever spirochete
Estudo de espiroquetas do grupo febre recorrente (Spirochetaceae: Borrelia) em carrapatos do gênero Ornithodoros (Acari: Argasidae) parasitas de humanos no Brasil
Garrapatas (Acari: Argasidae, Ixodidae) nativas del Alto Cachapoal
Inventario rápido y elaboración de un catálogo de las especies de arácnidos de importancia médica en el Parque Nacional Coiba, con énfasis en garrapatas, escorpiones y arañas

Review (2)

A systematic review of parasites and micropredators of non-avian reptiles (Reptilia=Sauropsida) in Chile
The tick Ixodes uriae (Acari: Ixodidae): Hosts, geographical distribution, and vector roles
Sebastián Muñoz

Profesor asistente

Departamento de Ciencia Animal

Universidad de Concepción

Chillán, Chile

Daniel González

Profesor Titular

Ciencia Animal


Chillán, Chile

Lucila Moreno

Associate Professor



Concepción, Chile

Danny Fuentes

Profesor Asistente

Departamento de Patología y Medicina Preventiva

Universidad de Concepción

Chillán, Chile

Juliana de Abreu


Departament of Ecosystem and Environment


Santiago, Chile

Alexandra Grandón

PhD Student

School of Biological sciences

University of Bristol

Bristol, Reino Unido

Winfred Espejo

Profesor Asistente

Departamento de Suelos y Recursos Naturales

Universidad de Concepción

Chillan, Chile