Ocorrência de Ixodes loricatus Neumann, 1899 (Acari: Ixodidae) parasitando Didelphis albiventris (Lund, 1841), (Didelphimorphia: Didelphidae), em Campo Grande, MS

Miziara, Soraya R.; Paiva, Fernando; Andreotti, R.; Koller, W. W.; Lopes, V.; Pontes, Nara Teodoro; Bitencourt, Klaudia

doi:10.1590/s1984-29612008000300008

Cited by 9 publications

(5 citation statements)

References 5 publications

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“…Within the genus Ixodes, only Ixodes loricatus Neumann has been registered in Mato Grosso do Sul, parasitizing the white-eared opossum D. albiventris (Miziara et al 2008). Thus, the record of I. amarali is also the first report to this Brazilian state.…”

Section: Discussionmentioning

confidence: 99%

Association patterns of ticks (Acari: Ixodida: Ixodidae, Argasidae) of small mammals in Cerrado fragments, western Brazil

et al. 2015

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The present study describes ticks associated with small mammals and analyzes the aggregation patterns according to seasonal and host variations in the Cerrado biome, central-western Brazil. Small mammals were systematically captured in 54 woodland fragments from February 2012 to July 2013. A total of 1,040 animals belonging to eight marsupial and 12 rodent species were captured; 265 animals were parasitized by eight tick species (in decreasing order of abundance): Ornithodoros mimon, Amblyomma coelebs, Amblyomma sculptum, Amblyomma ovale, Amblyomma parvum, Amblyomma dubitatum, Amblyomma parkeri, and Ixodes amarali. With few exceptions, collected ticks were larvae and nymphs. Among the more abundant animals, the marsupial Didelphis albiventris showed the highest tick prevalence (84.4 %), mean abundance (19.2), mean intensity (22.8), richness of ticks species (n = 7), and total abundance of ticks (n = 2,457). Amblyomma sculptum and O. mimon were the most generalist species, collected on four host species. Fifteen new tick-host associations are reported for the first time. Most ticks showed higher prevalence and mean intensity in the dry season, regardless of host species. Overall, tick prevalence and mean intensity of infestation were significantly associated with host gender. Finally, the importance of the large number of records of the argasid O. mimon is discussed.

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Section: Discussionmentioning

confidence: 99%

Association patterns of ticks (Acari: Ixodida: Ixodidae, Argasidae) of small mammals in Cerrado fragments, western Brazil

et al. 2015

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“…In Brazil, different tick species have been reported to parasitize D. albiventris and D. aurita such as Amblyomma sculptum , Amblyomma dubitatum , and Ixodes loricatus [ 20 , 21 , 22 ]. Although different TBP have been described infecting Didelphis sp.…”

Section: Introductionmentioning

confidence: 99%

‘Candidatus Mycoplasma Haemoalbiventris’ and Tick-Borne Pathogens in Black-Eared Opossum (Didelphis aurita) from Southeastern Brazil

et al. 2022

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The black-eared opossum (Didelphis aurita) is a South American synanthropic marsupial. The presence of opossums in domestic spaces is relevant in the One-Health context since they are hosts of pathogens and ectoparasites that may affect the health of domestic animals and humans. In this study, we aim to determine the occurrence of hemoplasmas and selected tick-borne pathogens in free-ranging black-eared opossums, along with their molecular characterization, hematological and biochemical evaluation and factors associated with infection, in the municipality of Viçosa, State of Minas Gerais, southeastern Brazil. Thirty black-eared opossums were trapped between March 2021 and June 2022. Ectoparasites were collected. Hematological and biochemical analyses were performed. DNA from EDTA-blood samples were analyzed by PCR and qPCR assays. By molecular analyses, ‘Candidatus Mycoplasma haemoalbiventris’ was the most prevalent hemoparasite (73.3%), followed by Hepatozoon sp. (22.2%). Significant differences were observed in the number of platelets, and in the concentration of protein and globulins in the animals infected by ‘Ca. M. haemoalbiventris’ when compared with the negative group. This is the first report of ‘Ca. M. haemoalbiventris’ infection in D. aurita.

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“…The increasing number of cases identified in Brazil show differences from the disease that occurs in the Northern Hemisphere 21, 22, 23, 24. In Brazil, the occurrence of Ixodes ticks ( I. auritulus and I. loricatus ) is associated with parasitism of some birds and Didelphis albiventris ,25, 26 which are not considered the preferential vectors for horses and humans. Clinically, despite the occurrence of signs such as erythema migrans and the usual systemic complications, the Brazilian disease progresses with recurrences, especially if antibiotic treatment is initiated later than three months after infection.…”

Section: The Disease In Humans (Ld Of the Northern Hemisphere Versus mentioning

confidence: 99%

Brazilian borreliosis with special emphasis on humans and horses

Basile

Yoshinari

Mantovani

et al. 2017

Brazilian Journal of Microbiology

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Borreliosis caused by Borrelia burgdorferi sensu lato is a cosmopolitan zoonosis studied worldwide; it is called Lyme disease in many countries of the Northern Hemisphere and Lyme-like or Baggio-Yoshinari Syndrome in Brazil. However, despite the increasing number of suspect cases, this disease is still neglected in Brazil by the medical and veterinary communities. Brazilian Lyme-like borreliosis likely involves capybaras as reservoirs and Amblyomma and Rhipicephalus ticks as vectors. Thus, domestic animals can serve as key carriers in pathogen dissemination. This zoonosis has been little studied in horses in Brazil. The first survey was performed in the state of Rio de Janeiro, and this Brazilian Borreliosis exhibits many differences from the disease widely described in the Northern Hemisphere. The etiological agent shows different morphological and genetic characteristics, the disease has a higher recurrence rate after treatment with antibiotics, and the pathogen stimulates intense symptoms such as a broader immune response in humans. Additionally, the Brazilian zoonosis is not transmitted by the Ixodes ricinus complex. With respect to clinical manifestations, Baggio-Yoshinari Syndrome has been reported to cause neurological, cardiac, ophthalmic, muscle, and joint alterations in humans. These symptoms can possibly occur in horses. Here, we present a current panel of studies involving the disease in humans and equines, particularly in Brazil.

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Ocorrência de Ixodes loricatus Neumann, 1899 (Acari: Ixodidae) parasitando Didelphis albiventris (Lund, 1841), (Didelphimorphia: Didelphidae), em Campo Grande, MS

Abstract: Este é primeiro relato da ocorrência de Ixodes no Estado do Mato Grosso do Sul e primeiro caso identificado de Ixodes loricatus Neumann, 1899, parasitando Didelphis albiventris no município de Campo Grande, MS, Brasil.

Cited by 9 publications

References 5 publications

Association patterns of ticks (Acari: Ixodida: Ixodidae, Argasidae) of small mammals in Cerrado fragments, western Brazil

Association patterns of ticks (Acari: Ixodida: Ixodidae, Argasidae) of small mammals in Cerrado fragments, western Brazil

‘Candidatus Mycoplasma Haemoalbiventris’ and Tick-Borne Pathogens in Black-Eared Opossum (Didelphis aurita) from Southeastern Brazil

Brazilian borreliosis with special emphasis on humans and horses

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