Document Detail


Three new species of Eimeria (Apicomplexa: Eimeriidae) from Apalone spinifera pallidus (Testudines: Trionychidae) in Texas, with a redescription of E. amydae.
MedLine Citation:
PMID:  2380856     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Three new species of Eimeria are described from pallid spiny softshells, Apalone spinifera pallidus, collected in north-central Texas. Oocysts of Eimeria spinifera n. sp. were found in the feces of 3/9 (33%) turtles and are subspheroid, ellipsoid, or pear-shaped, 16.3 x 14.0 (14-19 x 12-18) microns, with a thin, single-layered wall; shape index 1.2 (1.1-1.3). A micropyle is absent, but an oocyst residuum is present; polar granule present in 16% of the oocysts. Sporocysts are elongate-ovoid, 10.3 x 5.2 (8-12 x 5-6) microns, each with a Stieda body bearing short filaments. Oocysts of Eimeria apalone n. sp. were found in 5/9 (56%) turtles and are ellipsoid, elongate pear-shaped, or subspheroid, 16.8 x 13.2 (12-19 x 10-16) microns, with a thin, single-layered wall; shape index 1.3 (1.0-1.5). A micropyle, oocyst residuum, and polar granule are absent. Sporocysts are elongate-ovoid, 11.3 x 6.2 (9-14 x 5-7) microns, each with a prominent Stieda body. Oocysts of Eimeria pallidus n. sp. were found in 4/9 (44%) A. s. pallidus and are spheroid or subspheroid, 23.4 x 21.6 (18-27 x 17-25) microns, with a thin, single-layered wall; shape index 1.1 (1.0-1.3). A micropyle is absent, but an oocyst residuum is present; polar granule present in 20% of the oocysts. Sporocysts are elongate-ovoid, 14.3 x 6.2 (13-17 x 6-7) microns, each with a Stieda body and short filaments. In addition to the new species, 3 previously described eimerians, including Eimeria amydae Roudabush, 1937, which is redescribed, were also found.
Authors:
C T McAllister; S J Upton; L D McCaskill
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of parasitology     Volume:  76     ISSN:  0022-3395     ISO Abbreviation:  J. Parasitol.     Publication Date:  1990 Aug 
Date Detail:
Created Date:  1990-09-07     Completed Date:  1990-09-07     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  7803124     Medline TA:  J Parasitol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  481-6     Citation Subset:  IM    
Affiliation:
Renal-Metabolic Lab, Veterans Administration Medical Center, Dallas, Texas 75216.
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MeSH Terms
Descriptor/Qualifier:
Animals
Coccidiosis / parasitology,  veterinary*
Eimeria / anatomy & histology,  classification*
Female
Male
Texas
Turtles / parasitology*

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