Hepatozoon cevapii (Apicomplexa: Hepatozoidae) in the Thamnodynastes lanei snake (Colubridae, Tachymenini) from the Eastern Amazon, Brazil

Paula, Fabiane Rocha de; Picelli, Amanda Maria; Silva, Maria Regina Lucas da; Correa, Jamille Karina Coelho; Viana, Lúcio André

doi:10.1007/s00436-021-07218-4

Cited by 3 publications

(3 citation statements)

References 37 publications

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“…angulatus represents a cryptic species complex, which is most widespread in northern South America (Nogueira et al ., 2019; Murphy et al ., 2020), with records in the Brazilian biomes of the Amazonia, the Chiquitano dry forest, the Cerrado, the Caatinga and the northern portion of the Atlantic Forest (Nogueira et al ., 2019; Murphy et al ., 2020). Generally, the sharing of parasites by different host species can be explained by the understanding that there is a low specificity to the vertebrate host among the haemogregarines (Maia et al ., 2012; De Paula et al ., 2021). However, we cannot fully assume that this is the case here, due to the evolutionary and ecological history of the hosts.…”

Section: Discussionmentioning

confidence: 99%

“…Furthermore, it is important to emphasize that available molecular data for Hepatozoon infecting snakes remain scarce in all countries within the Amazonian domain. So far, there has been only 1 molecular characterization in the entire region, H. cevapii in T. lanei (De Paula et al ., 2021), a parasite previously described in C. durissus in the southeast of Brazil (O'Dwyer et al ., 2013).…”

Section: Discussionmentioning

confidence: 99%

“…40 spp.) in snakes (Pessôa et al ., 1974; Smith, 1996; Úngari et al ., 2018, 2021), only the sequences of 5 species were available to date: Hepatozoon cevapii O'Dwyer et al ., 2013 reported in Crotalus durissus Linnaeus, 1758 (O'Dwyer et al ., 2013) and Thamnodynastes lanei Bailey et al ., 2005 (De Paula et al ., 2021); Hepatozoon cuestensis O'Dwyer et al ., 2013 and Hepatozoon massardii O'Dwyer et al ., 2013 described in C . durissus (O'Dwyer et al ., 2013; Úngari et al ., 2018); Hepatozoon musa Borges-Nojosa et al ., 2017 from Philodryas nattereri (Steindachner, 1870) (Borges-Nojosa et al ., 2017), C. durissus and Epicrates crassus Cope, 1862 (Úngari et al ., 2018); and Hepatozoon quagliattus Úngari et al ., 2021 in Dipsas mikanii (Schlegel, 1837) (Úngari et al ., 2021).…”

Section: Introductionmentioning

confidence: 99%

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A 50-year-old redescription: molecular and morphometric characterization of Hepatozoon carinicauda Pessôa and Cavalheiro, 1969 in the brown-banded water snake Helicops angulatus (Linnaeus, 1758)

Paula

Picelli²,

Perles³

et al. 2022

Parasitology

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The combined use of molecular and microscopic techniques has become an increasingly common and efficient practice for the taxonomic and evolutionary understanding of single-celled parasites such as haemogregarines. Based on this integrative approach, we characterized Hepatozoon found in Helicops angulatus snakes from the Eastern Amazonia, Brazil. The gamonts observed caused cell hypertrophy and were extremely elongated and, in some cases, piriform (mean dimensions: 25.3 ± 1.9 × 8.6 ± 1.3 μm). These morphological features correspond to Hepatozoon carinicauda, described 50 years ago in the snake Helicops carinicaudus in the southeast region of Brazil. Phylogenetic and genetic divergence analyses, performed with the sequence obtained from the amplification of a 590 bp fragment of the 18S rRNA gene, revealed that Hepatozoon in He. angulatus differed from the other lineages retrieved from GenBank, and was clustered singly in both the phylogenetic tree and the haplotype network. The integration of these data allowed the identification of H. carinicauda in a new aquatic host, and increased the knowledge of its geographical distribution. Therefore, the present study included the first redescription of a Hepatozoon species in a snake from the Brazilian Amazon.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A 50-year-old redescription: molecular and morphometric characterization of Hepatozoon carinicauda Pessôa and Cavalheiro, 1969 in the brown-banded water snake Helicops angulatus (Linnaeus, 1758)

Paula

Picelli²,

Perles³

et al. 2022

Parasitology

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Molecular detection of Hepatozoon species (Apicomplexa: Hepatozoidae) infecting snakes in the Northeastern region of Argentina

Facelli-Fernández,

Furlan,

Barolin

et al. 2024

Parasitol Res

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Hepatozoon Miller, 1908 parasites in the Colubridae snakes Clelia clelia (Daudin, 1803) and Drymarchon corais (Boie, 1827) from the Eastern Amazonia

PICELLI,

SILVA,

CORREA

et al. 2023

An. Acad. Bras. Ciênc.

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Based on the genetic, morphological, and morphometric data of blood gamonts, we identified Hepatozoon parasites in colubrid snakes sampled in the Eastern Amazon region. Hepatozoon trigeminum was detected in the mussurana snake Clelia clelia and exhibited wide and elongated gamonts (mean dimensions: 14.25±0.65 × 4.31±0.43 μm) with an evident parasitophorous vacuole. Hepatozoon odwyerae sp. nov. was described in the indigo snake Drymarchon corais, whose gamonts have elongated and thin bodies (mean dimensions: 13.41±0.79 × 3.72±0.35 μm) with one end more tapered than the other. Phylogenetic analyses, based on the amplification of a 441 bp fragment of the 18S rRNA gene, revealed that the novel sequences of Hepatozoon spp. from our study were closely related to hemogregarine lineages found in lizards and snakes from Brazil, forming a well-supported monophyletic clade with them. The present study provides the first species description of Hepatoozon in D. corais and a new record of a host species for C. clelia using the integrated taxonomic data. We also highlight the importance of further investigations into the diversity of Hepatozoon in snakes, a rich but underestimated group of parasites, especially in the Amazonian biome.

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Hepatozoon cevapii (Apicomplexa: Hepatozoidae) in the Thamnodynastes lanei snake (Colubridae, Tachymenini) from the Eastern Amazon, Brazil

Cited by 3 publications

References 37 publications

A 50-year-old redescription: molecular and morphometric characterization of Hepatozoon carinicauda Pessôa and Cavalheiro, 1969 in the brown-banded water snake Helicops angulatus (Linnaeus, 1758)

A 50-year-old redescription: molecular and morphometric characterization of Hepatozoon carinicauda Pessôa and Cavalheiro, 1969 in the brown-banded water snake Helicops angulatus (Linnaeus, 1758)

Molecular detection of Hepatozoon species (Apicomplexa: Hepatozoidae) infecting snakes in the Northeastern region of Argentina

Hepatozoon Miller, 1908 parasites in the Colubridae snakes Clelia clelia (Daudin, 1803) and Drymarchon corais (Boie, 1827) from the Eastern Amazonia

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