Presence of Sarcocystis sybillensis in Japanese sika deer (Cervus nippon) captured in its native territory and its phylogenetic relationship with Sarcocystis nipponi

The first study reporting the morphological characterization of Sarcocystis sybillensi s was performed in 1983; however, without any molecular analysis. Sarcocystis nipponi has been recently described as a species synonymic to S. sybillensis . We reconfirmed the presence of S. sybillensis in Japanes...

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Bibliographic Details
Published in:Parasitology research (1987) 2020-07, Vol.119 (7), p.2309-2315
Main Authors: Yamazaki, Akiko, Hiroshima, Tatsuya, Yamaguchi, Yoshitaka, Shirafuji, Yukiko, Taira, Kensuke, Saito, Morihiro, Kobayashi, Naoki, Sugita-Konishi, Yoshiko, Kamata, Yoichi
Format: Article
Language:English
Subjects:
Analysis
Biomedical and Life Sciences
Biomedicine
Cervus nippon
Homology
Immunology
Indigenous peoples
Medical Microbiology
Microbiology
Morphology
Nucleotide sequence
Phylogenetics
Phylogeny
Physical characteristics
Protozoology - Original Paper
RNA
rRNA 18S
Sarcocystis
Sarcocysts
Territory
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Summary:The first study reporting the morphological characterization of Sarcocystis sybillensi s was performed in 1983; however, without any molecular analysis. Sarcocystis nipponi has been recently described as a species synonymic to S. sybillensis . We reconfirmed the presence of S. sybillensis in Japanese sika deer ( Cervus nippon ) captured in its native territory; and performed its molecular and phylogenetic characterization. The morphological characteristics of the sarcocysts were consistent with those of S. nipponi and S. sybillensis described in the first report. However, the nucleotide sequence of 18S rRNA gene of S. sybillensis showed only 91.9% identity to that of S. nipponi , suggesting low homology among the concerned Sarcocystis spp. Accordingly, S. sybillensis was found to occupy a clade distinct from that of S. nipponi in a phylogenetic tree of Sarcocystis . Therefore, the present study provides essential information on 18S rRNA-based molecular characterization of S. sybillensis and disproves the existing notion of morphology-based species synonymity of S. sibillensis and S. nipponi . These results also suggest that S. sybillensis belongs to type 2 Sarcocystis.
ISSN:0932-0113
1432-1955
DOI:10.1007/s00436-020-06730-3