Sobre o cyclo endogeno da Haemogregarina leptodactyli Lésage 1908: (Karyolysus?)

Cunha, Aristides Marques da; Muniz, Julio

doi:10.1590/s0074-02761927000200007

Cited by 5 publications

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“…In Brazil, over the past two decades, with the introduction of molecular tools combined with morphological studies on blood and tissue stages, the panorama of Hepatozoon biodiversity in anurans has been changing (see Ferreira et al, 2020;Leal et al, 2015;Úngari et al, 2021, 2022. For many decades, the parasitism of Brazilian anurans was associated solely with H. leptodactyli (Lesage, 1908) (Carini, 1908;Pinto, 1925;Cunha & Muniz, 1927;Pessôa, 1970). Costa et al, 1973) or with unidentified species of this genus (Table 1).…”

Section: Discussionmentioning

confidence: 99%

“…The majority of records and descriptions of Hepatozoon in Brazil have been made from parasites found exclusively in five species of anurans belonging to the genus Leptodactylus Fitzinger, 1826 (Leptodactylidae) in areas of the Cerrado, Pantanal and Atlantic Forest biomes (Carini, 1908;Pinto, 1925;Cunha & Muniz, 1927;Costa et al, 1973;Leal et al, 2015;Ferreira et al, 2020;Úngari et al, 2021, 2022 (Table 1). The only two records of these parasites in Bufonidae in this country are in R. diptycha from the Atlantic Forest (Ferreira et al, 2020) and in R. mirandaribeiroi (Gallardo, 1965) parasitizing by H. latrensis in the Pantanal (Úngari et al, 2022) (Table 2).…”

Section: Discussionmentioning

confidence: 99%

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Primeiro registro de parasitismo por Hepatozoon (Miller, 1908) Apicomplexa: hepatozoidae) em Anuros de caatinga, Brasil

Costa de Carvalho,

Felix-Nascimento,

Matos Vieira

et al. 2024

Neotrop Helminthol

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El estudio tuvo como objetivo registrar por primera vez el parasitismo por Hepatozoon (Miller, 1908) en dos especies de anuros bufonídeos en áreas de Caatinga en Brasil, así como la morfometría de los parásitos y los eritrocitos parasitados. Durante estudios helmintológicos en anuros de la Caatinga brasileña en 2019, se analizaron extendidos sanguíneos de 3 especímenes de Rhinella diptycha (Cope, 1862) y Rhinella granulosa (Spix, 1824) en el municipio de Petrolina, estado de Pernambuco, Brasil. Para la preparación de los extentidos sanguíneos, se utilizaron muestras de sangre recolectadas mediante punción intracardiaca o de la vena abdominal ventral. El análisis de los extentidos se realizó bajo un microscopio de luz con una magnificación de 1000x. Se midieron las dimensiones morfométricas de las células hospedadoras y los parásitos. Las únicas formas parasitarias encontradas en la sangre de las dos especies de anuros fueron gametocitos intraeritrocíticos de Hepatozoon spp., que parasitan solo a eritrocitos que muestran hipertrofia. Se encontraron dos morfotipos distintos de Hepatozoon, uno en cada especie de hospedador, todos diferentes de los morfotipos ya descritos y registrados en el país. Por lo tanto, el presente estudio constituye el primer informe de Hepatozoon sp. en anuros en el bioma de la Caatinga, además de ser también el primer registro de parásitos de este género en R. granulosa en el país.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Primeiro registro de parasitismo por Hepatozoon (Miller, 1908) Apicomplexa: hepatozoidae) em Anuros de caatinga, Brasil

Costa de Carvalho,

Felix-Nascimento,

Matos Vieira

et al. 2024

Neotrop Helminthol

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“…Therefore, the present study corroborates with those described above, since the Leptodactylidae includes species with a semi-aquatic lifestyle. Moreover, although there are only a few reports on Hepatozoon prevalence among Brazilian frogs, individuals of Leptodactylidae are commonly reported to be parasitised by species of Hepatozoon ( Cunha and Muniz, 1927 ; Da Costa, et al 1973 ; Leal et al, 2015 ; Ferreira et al, 2020 ).…”

Section: Discussionmentioning

confidence: 99%

“… Cunha and Muniz (1927) reported in detail the schizogony in the liver, lung, and intestine of a haemogregarine infecting Leptodactylus latrans from Brazil. Another study, by Da Costa et al (1973) used morphological and morphometric data, to formally described H. leptodactyli, infecting individuals of Leptodactylidae.…”

Section: Discussionmentioning

confidence: 99%

New insights on the diversity of Brazilian anuran blood parasites: With the description of three new species of Hepatozoon (Apicomplexa: Hepatozoidae) from Leptodactylidae anurans

Úngari

Netherlands

Santos

et al. 2021

International Journal for Parasitology: Parasites and Wildlife

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The Amphibia are considered the most threatened vertebrate class globally, yet in Brazil they are also one of the more diverse and species rich groups. Although, in recent years there has been strong focus on amphibian related research, their parasites have not received the same attention. In Brazil, only a single species of Hepatozoon , namely H. leptodactyli (Lesage, 1908) Pessoa, 1970, has been described from anuran hosts. The present study aimed to describe three new species of Hepatozoon parasitising Leptodactylus labyrinthicus and Leptodactylus latrans from Mato Grosso State, Brazil. From 66 anurans screened for haemogregarines, four belonging to the Leptodactylidae were found positive for species of Hepatozoon . Based on the morphological analysis of peripheral blood gamonts and spleen and liver tissue meronts, three different morphotypes of Hepatozoon spp. were identified. Morphotype 1 (M1) and morphotype 2 (M2) in L. labyrinthicus and morphotype 3 (M3) in L. latrans. Molecular data based on partial 18S rDNA sequences revealed an interspecific divergence, between the species ranging from 0.43% to 1.16%. Phylogenetic analysis recovered isolates from the present study monophyletic with other isolates from Brazilian reptile and anuran hosts, sister to a clade comprising species isolated from African, North American and European reptile and anuran host species. Thus, using morphological and molecular analysis three new species infecting Brazilian Leptodactylidae anurans were identified and described. This study increases the knowledge of Brazilian anurans blood parasites and demonstrates the importance of using integrative approaches for diagnosis of hemoparasites.

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“…Ademais, nas hemácias de Bufo paracnemis nunca foram vistas formas com as extremidades dobradas como descritas em outros hospedeiros por outros autores (v. g. Cunha & Muniz 1928) Os eritrócitos não manifestavam alterações morfológi -cas, salvo naqueles casos contendo duas cápsulas ou quando a única forma capsulada era de dimensões hipertrofiadas.…”

Section: Discussionunclassified

Ocorrência de uma Haemogregarina (Protozoa, Apicomplexa) em Bufo paracnemis Lutz, 1925

Kattar¹

1986

Bol. Zool. (Online)

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Foram examinadas cem preparações de sangue de Bufo paracnemis, coletados em João Pessoa, Estado da Paraíba, Brasil. Oito exemplares destes anuros mostraram-se portadores de formas parasitas de uma espécie de Haemogregarina "sensu lato". As hemácias habitualmente continham parasitos alongados ou encapsulados. Duplo parasitismo foi diversas vezes observado. Deformação do eritrócito era rara e ocorria guando havia duas cápsulas ou apenas uma hipertrofiada. Duas fêmeas partenogenéticas do carrapato Amblyomma rotundatum Koch, 1844, encontradas sobre a pele de um dos sapos, seriam vetores deste hemoparasito.

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Sobre o cyclo endogeno da Haemogregarina leptodactyli Lésage 1908: (Karyolysus?)

Cited by 5 publications

References 0 publications

Primeiro registro de parasitismo por Hepatozoon (Miller, 1908) Apicomplexa: hepatozoidae) em Anuros de caatinga, Brasil

Primeiro registro de parasitismo por Hepatozoon (Miller, 1908) Apicomplexa: hepatozoidae) em Anuros de caatinga, Brasil

New insights on the diversity of Brazilian anuran blood parasites: With the description of three new species of Hepatozoon (Apicomplexa: Hepatozoidae) from Leptodactylidae anurans

Ocorrência de uma Haemogregarina (Protozoa, Apicomplexa) em Bufo paracnemis Lutz, 1925

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