Abstract
The genomes of most known mycoviruses consist of double stranded RNA (dsRNA) or single stranded RNA (ssRNA). Therefore, for all aspects of mycovirology, the research is highly dependent on the quality and quantity of RNA either by the extraction of genomic dsRNA or dsRNA as a replicating intermediate. A common procedure to extract dsRNA is its binding on a cellulose matrix after a phenol/chloroform purification step. A commercial kit for dsRNA extraction facilitated the researchers´ daily work, but is not available anymore. To extract nucleic acids in a standardized good quality and quantity from small amounts of starting material, we compared commercial kits for gDNA extraction to the kits for RNA extraction using fungal material with a high and a low virus titer. Here we show that viral dsRNA can be extracted using commercial gDNA kits from fungal tissue with a high and a low virus titer in the same quality and quantity as it was done with the discontinued dsRNA extraction kit.
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