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Eimeria species which infect the chicken contain virus-like RNA molecules

Published online by Cambridge University Press:  06 April 2009

J. Ellis  and
H. Revets
J. Ellis
Affiliation:
Department of Parasitology, AFRC Institute for Animal Health, Houghton Laboratory, Houghton, Huntingdon, Cambs PE17 2DA
H. Revets
Affiliation:
Instituut voor Moleculaire Biologie, Vrije Universiteit Brussel, Paardenstraat 65, 1640 Sint-Genesius-Rode, Brussels, Belgium
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Extract

There is increasing support for the presence of viruses and virus-like particles inside protozoan cells. This study describes viral-like RNA molecules that have been detected in two species of Eimeria that infect the chicken. The RNA molecule identified in E. maxima has been characterized: subcellular fractionation studies have shown that the RNA is present in the cytoplasm, probably as an abundant ribonucleoprotein that is insensitive to RNAse A treatment. Electron microscopy has demonstrated that this RNA molecule is double stranded. In addition, all E. maxima strains examined so far contain this RNA molecule.

Keywords

Eimeria speciesviral-like RNAsprotozoan viruses
Type
Research Article
Information
Parasitology , Volume 101 , Issue 2 , October 1990 , pp. 163 - 169
Copyright
Copyright © Cambridge University Press 1990

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