دورية أكاديمية
Nucleospora hippocampi n. sp., an Intranuclear Microsporidian Infecting the Seahorse Hippocampus erectus From China
| العنوان: | Nucleospora hippocampi n. sp., an Intranuclear Microsporidian Infecting the Seahorse Hippocampus erectus From China |
|---|---|
| المؤلفون: | Yuan Wang, Na Ying, Yanqing Huang, Xiong Zou, Xin Liu, Letian Li, Junfang Zhou, Shu Zhao, Rongrong Ma, Xincang Li, Hongxin Tan, Wenhong Fang |
| المصدر: | Frontiers in Cellular and Infection Microbiology, Vol 12 (2022) |
| بيانات النشر: | Frontiers Media S.A., 2022. |
| سنة النشر: | 2022 |
| المجموعة: | LCC:Microbiology |
| مصطلحات موضوعية: | seahorse, Nucleospora, transmission electron microscopy, intranuclear parasitism, intestinal disease, Microbiology, QR1-502 |
| الوصف: | The life cycle, ultrastructure, and molecular phylogeny of a new intranuclear microsporidian, Nucleospora hippocampi n. sp., infecting the intestine of the Hippocampus erectus, were described. The histopathology revealed an extensive infection, mainly in the columnar epithelium of the intestinal mucosa layer. The enterocytes were the important target cell for Nucleospora hippocampi n. sp. infection. Transmission electron microscopy results showed that this microsporidian developed directly within the host cell nucleoplasm. In the intranuclear life cycle, the transformation from meront to sporogonial plasmodium was recognized by forming electron-dense disc structures, which were considered the polar tube precursors. The microsporidian showed the typical morphological characteristics of the family Enterocytozoonidae in the formation and development of spore organelles prior to the division of the sporogonial plasmodium. According to wet smear observation, eight spores were generally formed in a single host nucleus. Mature spores were elongated ovoids that were slightly bent and measured 1.93 × 0.97 μm. The isofilar polar tube was arranged in 7~8 coils in one row. Phylogenetic analysis of its small subunit ribosomal DNA sequences demonstrated that the parasite belonged to the Nucleospora group clade. The histological, ultrastructural, and molecular data support the emergence of a new species in the genus Nucleospora. This is the first report of Nucleospora species in Asia and threatened syngnathid fishes. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 2235-2988 |
| العلاقة: | https://www.frontiersin.org/articles/10.3389/fcimb.2022.882843/fullTest; https://doaj.org/toc/2235-2988Test |
| DOI: | 10.3389/fcimb.2022.882843 |
| الوصول الحر: | https://doaj.org/article/bd48a2f2e94542a4b5c03c363a3fcce9Test |
| رقم الانضمام: | edsdoj.bd48a2f2e94542a4b5c03c363a3fcce9 |
| قاعدة البيانات: | Directory of Open Access Journals |
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