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  • Title: Sarcocystis menglaensis n. sp. (Apicomplexa: Sarcocystidae) from Williamson's mouse deer Tuagulus williamsoni (Kloss) (Artiodactyla: Tragulidae).
    Author: Hu JJ, Li HL, Huang S, Chen MY, Esch GW, Yang ZQ, Song JL.
    Journal: Syst Parasitol; 2017 Feb; 94(2):299-304. PubMed ID: 28130677.
    Abstract:
    Williamson's mouse deer, Tuagulus williamsoni (Kloss), is one of the smallest ungulates among tragulid species found in northern Thailand, and Yunnan Province, China. Here we describe Sarcocystis menglaensis n. sp., infecting two of 14 (14.3%) Williamson's mouse deer from south-western China. By light microscopy, sarcocysts of S. menglaensis are microscopic, up to 2,170 μm in length, and have a striated sarcocyst wall with 1.5-3.6 μm long palisade-like protrusions. Transmission electron microscopy observations revealed that sarcocyst wall is of "type 10f", and has numerous villar protrusions folded over the cyst wall. The villar protrusions contained microtubules dispersed throughout the protrusions. Phylogenetic analysis based on 18S rDNA and mitochondrial cox1 gene sequences indicated that S. menglaensis shared a close affinity with species of Sarcocystis Lankester, 1982 from ruminants, which utilise felids as definitive hosts.
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