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Scientific classification
Domain: Eukaryota
(unranked): Sar
Superphylum: Alveolata
Phylum: Apicomplexa
Class: Conoidasida
Subclass: Coccidiasina
Order: Eucoccidiorida
Suborder: Eimeriorina
Family: Sarcocystidae
Subfamily: Toxoplasmatinae
Genus: Nephroisospora

Nephroisospora eptesici

Nephroisospora is a genus of parasitic protozoa that infects bats


This genus was described in 2010 by Wünschmann et al.[1]


There is one recognised species in this genus - Nephroisospora eptesici.


This genus infects the kidneys of brown bats (Eptesicus fuscus).

The host reaction is usually generally mild, focal or multifocal and consists of well demarcated cortical renal lesion less than 1 millimeter in diameter. Histologically these lesions are cystic, dilated tubules with hypertrophied tubular epithelial cells.

The protozoa develop in the tubular epithelial cells and within the lumen of the cysts that develop as a response to infection. The oocysts are thin walled, sporulated and ellipsoidal measuring an average of 18.9 x 20.8 micrometers. Each oocysts contains 2 sporocysts with 4 sporozoites. The oocysts have a polar body and a prominent residuum but lack micropyles, sporocyst residua or Stieda bodies.


  1. ^ Wünschmann A, Wellehan JF Jr, Armien A, Bemrick WJ, Barnes D, Averbeck GA, Roback R, Schwabenlander M, D'Almeida E, Joki R, Childress AL, Cortinas R, Gardiner CH, Greiner EC (2010) Renal infection by a new coccidian genus in big brown bats (Eptesicus fuscus). J Parasitol 96(1):178-183