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. 2016 Mar;115(3):1325-30.
doi: 10.1007/s00436-015-4869-1. Epub 2015 Dec 17.

Sarcocystis tuagulusi, n.sp. (Apicomplexa: Sarcocystidae) from Williamson's mouse deer (Tuagulus williamsoni) (Artiodactyla:Tragulidae)

Jun Jie Hu  1 , Si Huang  2 , Ming Yong Chen  2 , Tao Wen  2 , Gerald Wisler Esch  3 , Qiong Liu  2 , Ting Ting Liu  2
Affiliations

Sarcocystis tuagulusi, n.sp. (Apicomplexa: Sarcocystidae) from Williamson's mouse deer (Tuagulus williamsoni) (Artiodactyla:Tragulidae)

Jun Jie Hu et al. Parasitol Res. 2016 Mar.

Abstract

Numerous species of Sarcocystis have been reported from wild ruminants, but none has been from Williamson's mouse deer (Tuagulus williamsoni). Here, we describe a new species, Sarcocystis tuagulusi, infecting five of 12 Williamson's mouse deer from southwest China. Mature sarcocysts are microscopic, up to 2280-μm long. The sarcocyst wall had 8.2-μm long villar protrusions, type 24. Using transmission electron microscopy, the protrusions on sarcocysts appeared as elongated, lancet- or leaf-like shapes in longitudinal sections; in contrast, the cross-sections revealed mushroom-shaped protrusions. In the core of the protrusion, a bundle of microtubules penetrated diagonally into a ground substance along the longitudinal axis. A phyogenetic analysis based on 18S rRNA and cox1 sequences suggested S. tuagulusi is closely related to Sarcocystis species from ruminants that employ felids as definitive hosts.

Keywords: Phylogeney; Sarcocystis; Tuagulus williamsoni; Ultrastrucure; Williamson’s mouse deer.

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