Two new species of isospora (Apicomplexa: Eimeriidae) from the ocellated woodcreeper, Xiphorhynchus ocellatus (Passeriformes: Dendrocolaptidae)

Archiv für Protistenkunde Pub Date : 1997-04-01 DOI:10.1016/S0003-9365(97)80066-8

Thomas E. Mcquistion , Kimberly K.O. Walden, Angelo P. Capparella

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引用次数: 4

Abstract

Two isosporan species are described from the feces of the ocellated woodcreeper, Xiphorhynchus ocellatus (Passeriformes: Dendrocolaptidae) collected in Ecuador. Isospora ocellatisp. n. sporulated oocysts are ovoidal, double-layered, 20×17 (18-21×15-19) pm with one polar body and no micropyle or residuum. The sporocysts are ovoidal, 12×8 (11-13×7-9) pm with dome-shaped Stieda bodies, compressed, bubble-shaped substieda bodies, and usually scattered residuum. Sporozoites are sausage-shaped with central nucleus and posterior refractile body. Isospora striata sp. n. oocysts are ovoidal, double-layered, 18x16 (16-20x15-17) pm with one polar body and no micropyle or residuum. The sporocysts are ovoidal 11×7 (11-12×7-8) Nm with nipple-shaped Stieda bodies, rectangular-shaped substieda bodies, and spherical, compact, residuum. Sporozoites are elongate, tapered anteriorly with large posterior refractile body, small central nucleus, and concentric rings around anterior half of body.

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细胞木栖植物剑齿木属等孢子虫二新种(顶复合体亚目:艾螨科)

从采自厄瓜多尔的单细胞木爬行动物Xiphorhynchus ocellatus的粪便中描述了2种等孢子虫。等孢子球虫属ocellatisp。N.孢子卵囊为卵球形，双层，20×17 (18-21×15-19) PM，单极体，无微孔或残馀物。孢子囊为卵球形，12×8 (11-13×7-9) pm，胞体呈圆顶状，胞体呈压缩泡状，胞体常呈散点残余物。孢子体呈香肠状，有中央核和后折体。异孢子虫(Isospora striata sp. n.)卵囊呈卵形，双层，18x16 (16-20x15-17)厘米，有一个极体，无微孔或残留物。孢子囊为卵球形11×7 (11-12×7-8) Nm，具乳头状孢子体、矩形代孢子体和球形、致密的残体。孢子体形长，前尖，后折射体大，中央核小，前半体周围有同心圆环。

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Archiv für Protistenkunde

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