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

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: subcellul...

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Bibliographic Details
Published inParasitology Vol. 101; pp. 163 - 169
Main Authors Ellis, J, Revets, H
Format Journal Article
LanguageEnglish
Published England 01.10.1990
Subjects
Animals
Blotting, Southern
Chickens
Eimeria - genetics
Eimeria - ultrastructure
Eimeria maxima
Eimeria necatrix
Electrophoresis, Agar Gel
Microscopy, Electron
Nucleic Acid Hybridization
RNA
RNA Viruses - genetics
RNA Viruses - ultrastructure
RNA, Viral - analysis
RNA, Viral - ultrastructure
virus-like particles
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Summary: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.
ISSN:0031-1820
1469-8161
DOI:10.1017/S0031182000063198