Lack of seasonality of Amblyomma rotundatum (Acari: Ixodidade) on Rhinella jimi (Anura: Bufonidae) in a semi-arid region of northeastern Brazil

Oliveira, Glauber Meneses Barboza de; Araujo, Andreina de Carvalho; Santos, Josenilton Rodrigues; Silva, Ivo Wesley Gomes da; Labruna, Marcelo B.; Horta, Maurício Cláudio

doi:10.1016/j.ttbdis.2018.06.005

Cited by 3 publications

(2 citation statements)

References 13 publications

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“…Ticks, which are common hematophagous ectoparasites, are capable of parasitizing almost all groups of terrestrial vertebrates, including mammals, birds, lizards, snakes, and toads [ 1 , 2 , 3 ]. Ticks rank second in the world as vectors of disease, and they can harbor and transmit a great variety of pathogens, including virus, bacteria, fungi, protozoa, and nematode, to humans, livestock, and wildlife [ 2 , 4 , 5 , 6 ].…”

Section: Introductionmentioning

confidence: 99%

Complete Mitogenomes of Ticks Ixodes acutitarsus and Ixodes ovatus Parasitizing Giant Panda: Deep Insights into the Comparative Mitogenomic and Phylogenetic Relationship of Ixodidae Species

Liu

et al. 2022

Genes

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Ticks rank second in the world as vectors of disease. Tick infestation is one of the factors threatening the health and survival of giant pandas. Here, we describe the mitogenomes of Ixodes acutitarsus and Ixodes ovatus parasitizing giant pandas, and perform comparative and phylogenetic genomic analyses on the newly sequenced and other available mitogenomes of hard ticks. All six newly determined mitogenomes contain a typical gene component and share an ancient Arthropoda gene arrangement pattern. Our study suggests that I. ovatus is a species complex with high genetic divergence, indicating that different clades of I. ovatus represent distinct species. Comparative mitogenomic analyses show that the average A + T content of Ixodidae mitogenomes is 78.08%, their GC-skews are strongly negative, while AT-skews fluctuate around 0. A large number of microsatellites are detected in Ixodidae mitogenomes, and the main microsatellite motifs are mononucleotide A and trinucleotide AAT. We summarize five gene arrangement types, and identify the trnY-COX1-trnS1-COX2-trnK-ATP8-ATP6-COX3-trnG fragment is the most conserved region, whereas the region near the control region is the rearrangement hotspot in Ixodidae mitogenomes. The phylogenetic trees based on 15 genes provide a very convincing relationship (Ixodes + (Robertsicus + ((Bothriocroton + Haemaphysalis) + (Amblyomma + (Dermacentor + (Rhipicentor + (Hyalomma + Rhipicephalus))))))) with very strong supports. Remarkably, Archaeocroton sphenodonti is embedded in the Haemaphysalis clade with strong supports, resulting in paraphyly of the Haemaphysalis genus, so in-depth morphological and molecular studies are essential to determine the taxonomic status of A. sphenodonti and its closely related species. Our results provide new insights into the molecular phylogeny and evolution of hard ticks, as well as basic data for population genetics assessment and efficient surveillance and control for the giant panda-infesting ticks.

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Section: Introductionmentioning

confidence: 99%

Complete Mitogenomes of Ticks Ixodes acutitarsus and Ixodes ovatus Parasitizing Giant Panda: Deep Insights into the Comparative Mitogenomic and Phylogenetic Relationship of Ixodidae Species

Liu

et al. 2022

Genes

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“…Recently, Gianizella et al [31] reported A. rotundatum in different municipalities of the Amazonas state, on B. constrictor and several unknown hosts. The bioecology of this species under quasi-natural environment demonstrated a peak of larvae and nymphs in the dry season and females in the rainy season; however, there is a hypothesis of the absence of seasonality in this tick [48,49]. Although A. rotundatum is a three-host tick on amphibians, it can behave as a two-host tick when feeding on snakes [50].…”

Section: Hard Ticks Associated With Amphibians and Reptilesmentioning

confidence: 99%

Ticks from the Brazilian Amazon: Species, Distribution and Host-Relations

Luz¹,

Muñoz-Léal²,

Costa³

et al. 2021

Ecosystem and Biodiversity of Amazonia

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Ticks are important ectoparasites and can transmit a wide variety of pathogens to animals and humans worldwide. These ectoparasites are the most important vectors of diseases causing pathogens in domestic and wild animals, and the second for man. In Brazil, Spotted Fever is the only disease transmitted to humans by ticks, while for animals we can highlight babesiosis, ehrlichiosis and anaplasmosis. Although ticks are found in all of Brazil’s biomes, little is known about its diversity and host-relations in the Amazon biome. The existing gaps and the lack of research indicate that the diversity of ticks and their possible pathogens are underestimated in the Brazilian Amazon. Therefore, in order to guide the next studies in the Amazon biome, we present in this chapter a compilation of the records of hard ticks and soft ticks parasitizing wild and domestic animals, and humans. We present the general list of ticks for this biome, their distribution, hosts and importance for public health and veterinary. Finally, the ixodofauna found in the Brazilian Amazon and presented here does not match the vertebrate diversity of this biome, which is one of the largest on the planet. Therefore, more acarologists and epidemiologists are needed in this region.

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Ticks parasitizing cold-blooded animals from three different Brazilian biomes; with note for males of Amblyomma rotundatum

Luz,

de Campos,

Costa-Junior

et al. 2024

Ticks and Tick-borne Diseases

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Lack of seasonality of Amblyomma rotundatum (Acari: Ixodidade) on Rhinella jimi (Anura: Bufonidae) in a semi-arid region of northeastern Brazil

Cited by 3 publications

References 13 publications

Complete Mitogenomes of Ticks Ixodes acutitarsus and Ixodes ovatus Parasitizing Giant Panda: Deep Insights into the Comparative Mitogenomic and Phylogenetic Relationship of Ixodidae Species

Complete Mitogenomes of Ticks Ixodes acutitarsus and Ixodes ovatus Parasitizing Giant Panda: Deep Insights into the Comparative Mitogenomic and Phylogenetic Relationship of Ixodidae Species

Ticks from the Brazilian Amazon: Species, Distribution and Host-Relations

Ticks parasitizing cold-blooded animals from three different Brazilian biomes; with note for males of Amblyomma rotundatum

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