DNA probes as potential tools for the detection of ...



Title DNA probes as potential tools for the detection of marteilia refringens
Author(s) F. Le Roux, C. Audemard, A. Barnaud, F. C. J. Berthe
Date 1999
Volume 1
Issue 6
Start page 588
End page 597
Abstract Since its first description, the paramyxean parasite Marteilia refringens has been recognized as a significant pathogen of bivalve mollusks. The existence of a complex life cycle was postulated by many authors. Here we report the development of DNA-based detection assays as powerful tools to elucidate the Marteilia refringens life cycle. After alignment of the Marteilia refringens ribosomal DNA small subunit sequence with those of various eukaryotic organisms, polymerase chain reaction primers were designed. Specific primers were used to amplify DNA extracted from purified Marteilia refringens and infected hosts. The specificity of amplified fragments was confirmed by Southern blotting with an oligoprobe. For in situ hybridization, four probes were tested for specific detection of 18S rRNA isolated from Marteilia refringens and other eukaryotic cells by Northern blotting. The most specific probe, Smart 2, was successfully used to detect Marteilia refringens by in situ hybridization in infected oysters and mussels.
PubMed ID 10612684

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