Abstract
To acquire the full-length sequences and to determine the 5′/3′ends of the RNA genomes and mRNA transcripts using the rapid amplification of cDNA ends (RACE) protocols—via cDNA or mRNA templates—are a great challenge. This 4-steps RNA-based RACE method uses different ways to determine the RNA ends through a double-stranded (ds) RNA intermediate (dsRNA-RACE). In the first step a complementary RNA strand is synthesised by Phi6 RNA replicase enzyme next to the template ssRNA forming a dsRNA intermediate. The following steps include adapter ligation, nucleic acid purification and two classical methods with minor modifications reverse transcription and polymerase chain reaction. The dsRNA-RACE protocol could be used in wide variety of ssRNA (cellular, viral, bacterial, etc.) templates in the field of microbiology and cellular biology and suitable for the amplification of full-length RNAs including the 5′/3′ends. This is a novel, expansively utilizable molecular tool with fewer disadvantages than the existing 5′/3′RACE approaches.
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This study was supported by grants from the Hungarian Scientific Research Fund (OTKA K83013 and OTKA/NKFIH K111615). The authors of this manuscript have no competing interests to any company or manufacture that influence the results and discussion of this paper.
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Pankovics, P., Boros, Á. & Reuter, G. Novel 5′/3′RACE Method for Amplification and Determination of Single-Stranded RNAs Through Double-Stranded RNA (dsRNA) Intermediates. Mol Biotechnol 57, 974–981 (2015). https://doi.org/10.1007/s12033-015-9889-7
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DOI: https://doi.org/10.1007/s12033-015-9889-7