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- Publisher
- Allen Press
- Copyright
- American Society of Parasitologists 2017
- ISSN
- 0022-3395
- eISSN
- 1937-2345
- DOI
- 10.1645/16-187
- pmid
- 28665258
- Publisher site
- See Article on Publisher Site
Abstract
AbstractSarcocysts of Sarcocystis rommeli were found for the first time in 6 of 34 (17.6) cattle (Bos taurus) in China. With light microscopy, sarcocysts of S. rommeli were up to 1,130 m long, with a striated, 48-m-thick cyst wall. Using transmission electron microscopy, the villar protrusions (vp) were 4.75.2 0.20.3 m, and 0.30.5 m apart from each other. The vp contained microtubules extending from the top of the vp to the middle of the ground substance layer (gsl). A BLAST search of the near full-length 18S rRNA and partial mitochondrial cox1 sequences of S. rommeli revealed 98.7 identity and 99.2 identity with sequences of Sarcocystis bovini in GenBank, respectively. Two domestic cats (Felis catus) fed sarcocysts of S. rommeli shed oocysts/sporocysts in their feces with a prepatent period of 14 to 15 days; the partial mitochondrial cox1 sequences of these oocysts/sporocysts shared the high identities, that is, 99.4 and 99.5, with cox1 sequences of S. rommeli sarcocysts and S. bovini sarcocysts, respectively. This is the first demonstration of a definitive host for S. rommeli.
Journal
The Journal of Parasitology – Allen Press
Published: Oct 20, 2017