Molecular dissimilarities of Rhipicephalus sanguineus (Acari: Ixodidae) in Brazil and its relation with samples throughout the world: is there a geographical pattern?

Burlini, L.; Teixeira, K. R. dos S.; Szabó, Matías Pablo Juan; Famadas, Kátia Maria

doi:10.1007/s10493-009-9321-8

Cited by 76 publications

(60 citation statements)

References 20 publications

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“…However, recent studies suggested that the resulting combined taxon may actually represent more than one species based on phylogenetic analyses that segregated European and African Rh. sanguineus into distinct clades (Szabo et al 2005;Burlini et al 2010, Moraes-Filho et al 2011. These authors also found that Rh.…”

Section: Introductionmentioning

confidence: 77%

Crossbreeding between different geographical populations of the brown dog tick, Rhipicephalus sanguineus (Acari: Ixodidae)

et al. 2012

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Brown dog ticks are distributed world-wide, and their systematics and phylogeny are the subject of an ongoing debate. The present study evaluates the reproductive compatibility between Rhipicephalus sanguineus ticks from North America, Israel, and Africa. Female ticks of the parent generation were mated with males from the same and alternate colonies. Every pure and hybrid cohort was maintained separately into the F2 generation with F1 females being allowed to mate only with males from the same cohort. The following survival parameters were measured and recorded for every developmental stage: feeding duration and success; engorgement weight, fertility, and fecundity of females; molting and hatching success. Ticks from North American and Mediterranean populations hybridized successfully. The survival parameters of all their hybrid lines were similar to those in pure lines throughout the F1 generation, and F1 adults were fully fertile. Parent adult ticks from the African population hybridized with either North American or Mediterranean ticks and produced viable progenies whose survival parameters were also similar to those in pure lines throughout the F1 generation. However, F1 adults in the four hybrid lines that included African ancestry were infertile. No parthenogenesis was observed in any pure or hybrid lines as proportion of males in F1 generation ranged from 40 to 60 %. Phylogenetic analysis of the 12S rDNA gene sequences placed African ticks into a separate clade from those of the North American or Mediterranean origins. Our results demonstrate that Rh. sanguineus ticks from North America and Israel represent the same species, whereas the African population used in this study is significantly distant and probably represents a different taxon.

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Section: Introductionmentioning

confidence: 77%

Crossbreeding between different geographical populations of the brown dog tick, Rhipicephalus sanguineus (Acari: Ixodidae)

et al. 2012

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“…While the mitochondrial 12S rDNA sequences of Argentinean ticks were closest to corresponding sequences of R. sanguineus from France, the sequences from Brazilian ticks were closest to Rhipicephalus turanicus from Zimbabwe (SZABÓ et al, 2005). Burlini et al (2010) determined partial sequences for the mitochondrial 12S and 16S rRNA genes of R. sanguineus from seven Brazilian states, and performed phylogenetic analyses with the corresponding GenBank sequences of R. sanguineus and R. turanicus. They found that the sequences from Brazilian ticks grouped with GenBank sequences of R. turanicus from Sub-Saharan Africa (Zimbabwe and Zambia), and R. sanguineus from Asia (Thailand and Taiwan).…”

Section: Transmissionmentioning

confidence: 99%

Brazilian canine hepatozoonosis

O’Dwyer

2011

Rev. Bras. Parasitol. Vet.

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The genus Hepatozoon includes hundreds of species that infect birds, reptiles, amphibians and mammals, in all continents with tropical and subtropical climates. Two species have been described in domestic dogs: H. canis, reported in Europe, Asia, Africa, South America and the United States; and H. americanum, which so far has only been diagnosed in the United States. In Brazil, the only species found infecting dogs is H. canis. The objective of this review was to detail some aspects of canine hepatozoonosis, caused by H. canis, and the main points of its biology, transmission, pathogenicity, symptoms, epidemiology and diagnostic methods, with emphasis on research developed in Brazil.

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“…Recently, there has been considerable debate about the status of Rhipicephalus sanguineus sensu stricto as it has been considered as a species complex of 17 closely related species [53,54,55], however, there is no consensus [56] and the morphological similarities among ticks belonging to the Rh. (Rh.)…”

Section: Sanguineus Groupmentioning

confidence: 99%

Phylogenetic analysis of some hard ticks from India using mitochondrial 16s rDNA

2016

J App Biol Biotech

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The present study was conducted to analyze inter-relationships between Indian hard tick using mitochondrial 16s rDNA. The sequence alignment consisted of 85 sequences, 32 sequences of 16s rDNA belonging to 7 species of two genera viz. Rhipicephalus and Hyalomma generated from PCR amplified products and 53 sequences of hard ticks from India available in genbank database. The NJ analyses conducted in MEGA6 revealed that Haemaphysalinae is basal to the clade of Rhipicephalinae + Hyalomminae in the metastriate lineage while Ixodinae was basal in Ixodidae. There were two large clades, one clade of Hyalomma anatolicum, Hy. excavatum, Hy. hussaini and Hy. brevipunctata and second clade of Rhipicephalus (Rhipicephalus) + Rhipicephalus (Boophilus). The results provide evidence for the contention of polyphyly of Rh. (Rh.) sanguineus and species complex status of Rh. (B.) microplus. A further molecular study from wider distributional area using more genetic markers is needed to confirm these observations.

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Molecular dissimilarities of Rhipicephalus sanguineus (Acari: Ixodidae) in Brazil and its relation with samples throughout the world: is there a geographical pattern?

Cited by 76 publications

References 20 publications

Crossbreeding between different geographical populations of the brown dog tick, Rhipicephalus sanguineus (Acari: Ixodidae)

Crossbreeding between different geographical populations of the brown dog tick, Rhipicephalus sanguineus (Acari: Ixodidae)

Brazilian canine hepatozoonosis

Phylogenetic analysis of some hard ticks from India using mitochondrial 16s rDNA

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