A systematic review of the genus Tyzzeria Allen, 1936 (Chromista: Apicomplexa), including the molecular phylogenetic position of Tyzzeria parvula (Kotlán, 1933) Klimeš, 1963

IF 1.5 4区医学 Q3 PARASITOLOGY

Parasitology International Pub Date : 2025-01-20 DOI:10.1016/j.parint.2025.103037

Mariana S. Oliveira , Carlos Nei Ortúzar-Ferreira , Viviane M. Lima , Sergian V. Cardozo , Carlos Wilson G. Lopes , Bruno P. Berto

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Abstract

Tyzzeria Allen, 1936 is a coccidian genus traditionally associated with Anseriformes, although there are descriptions of Tyzzeria spp. from junglefowls, snakes, skinks and mice. In this sense, the current study performs a taxonomic review of Tyzzeria spp., evaluating those that should be valid, invalid or that require further studies for validation. Along with this review, oocysts morphologically identified as Tyzzeria parvula (Kotlán, 1933) Klimeš, 1963 were recovered from fecal samples of swan geese Anser cygnoid (Linnaeus, 1758) in the mountainous region of the State of Rio de Janeiro, which were molecularly identified through the sequencing of a locus of the small subunit ribosomal RNA (18S) gene, providing the first deposit of the genus Tyzzeria in GenBank. Finally, this sequence of T. parvula prompted a broad phylogenetic analysis covering species of the main chromist taxa, which evidenced homoplasies associated with taxonomic characters of gametogony, basic oocyst configuration and excystation structures; in addition to positioning T. parvula in a monophyletic group within the order Eimeriida together with Schellackia spp., Eimeria spp. and Caryospora-like spp. from reptiles and amphibians.

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来源期刊

Parasitology International 医学-寄生虫学

CiteScore

4.00

自引率

10.50%

发文量

140

审稿时长

61 days

期刊介绍： Parasitology International provides a medium for rapid, carefully reviewed publications in the field of human and animal parasitology. Original papers, rapid communications, and original case reports from all geographical areas and covering all parasitological disciplines, including structure, immunology, cell biology, biochemistry, molecular biology, and systematics, may be submitted. Reviews on recent developments are invited regularly, but suggestions in this respect are welcome. Letters to the Editor commenting on any aspect of the Journal are also welcome.