Canadian Medical Guide > Chemicals and Drugs > Nucleic Acids, Nucleotides, and Nucleosides > Nucleic Acids > Nucleic Acid Probes > RNA Probes Terms and Definitions




RNA Probes

Medical Definition: RNA, usually prepared by transcription from cloned DNA, which complements a specific mRNA or DNA and is generally used for studies of virus genes, distribution of specific RNA in tissues and cells, integration of viral DNA into genomes, transcription, etc. Whereas DNA PROBES are preferred for use at a more macroscopic level for detection of the presence of DNA/RNA from specific species or subspecies, RNA probes are preferred for genetic studies. Conventional labels for the RNA probe include radioisotope labels 32P and 125I and the chemical label biotin. RNA probes may be further divided by category into plus-sense RNA probes, minus-sense RNA probes, and antisense RNA probes.
Guide Notes: usually no qualif: /drug eff /ultrastruct permitted
Previously Indexed: Nucleic Acid Hybridization (1972-1988),RNA, Messenger (1972-1988)
RNA Probes Categories.
Canadian Medical Guide Definition RNA, Complementary - Synthetic transcripts of a specific DNA molecule or fragment, made by an in vitro transcription system. This cRNA can be labeled with radioactive uracil and then used as a probe. (King & Stansfield, A Dictionary of Genetics, 4th ed)

RNA Probes Medical Definitions and Terms

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