Size estimation of Pichinde virus RNA by gel electrophoresis under denaturing conditions. 1980

A I Ramsingh, and K Dimock, and W E Rawls, and W C Leung

RNA extracted from purified Pichinde virion preparations yields four major species, two of which appear to represent the viral genome while the other two appear to be cellular ribosomal 28S and 18S RNA. The molecular weights of these RNA species have been estimated by gel electrophoresis following denaturation by either methylmercury or glyoxal/dimethyl sulfoxide. The values determined by the two methods are in close agreement. The average molecular weights of L and S Pichinde viral RNA are 2.63 x 10(6) to 2.83 x 10(6) to 1.31 x 10(6), respectively.

UI MeSH Term Description Entries
D008767 Methylmercury Compounds Organic compounds in which mercury is attached to a methyl group. Methyl Mercury Compounds,Compounds, Methyl Mercury,Compounds, Methylmercury,Mercury Compounds, Methyl
D008970 Molecular Weight The sum of the weight of all the atoms in a molecule. Molecular Weights,Weight, Molecular,Weights, Molecular
D009691 Nucleic Acid Denaturation Disruption of the secondary structure of nucleic acids by heat, extreme pH or chemical treatment. Double strand DNA is "melted" by dissociation of the non-covalent hydrogen bonds and hydrophobic interactions. Denatured DNA appears to be a single-stranded flexible structure. The effects of denaturation on RNA are similar though less pronounced and largely reversible. DNA Denaturation,DNA Melting,RNA Denaturation,Acid Denaturation, Nucleic,Denaturation, DNA,Denaturation, Nucleic Acid,Denaturation, RNA,Nucleic Acid Denaturations
D004587 Electrophoresis, Agar Gel Electrophoresis in which agar or agarose gel is used as the diffusion medium. Electrophoresis, Agarose Gel,Agar Gel Electrophoresis,Agarose Gel Electrophoresis,Gel Electrophoresis, Agar,Gel Electrophoresis, Agarose
D004591 Electrophoresis, Polyacrylamide Gel Electrophoresis in which a polyacrylamide gel is used as the diffusion medium. Polyacrylamide Gel Electrophoresis,SDS-PAGE,Sodium Dodecyl Sulfate-PAGE,Gel Electrophoresis, Polyacrylamide,SDS PAGE,Sodium Dodecyl Sulfate PAGE,Sodium Dodecyl Sulfate-PAGEs
D006037 Glyoxal A 2-carbon aldehyde with carbonyl groups on both carbons. Ethanedial,Ethanedione
D001116 Arenaviridae A family of RNA viruses naturally infecting rodents and consisting of one genus (ARENAVIRUS) with two groups: Old World Arenaviruses (ARENAVIRUSES, OLD WORLD) and New World Arenaviruses (ARENAVIRUSES, NEW WORLD). Infection in rodents is persistent and silent. Vertical transmission is through milk-, saliva-, or urine-borne routes. Horizontal transmission to humans, monkeys, and other animals is important. Mammarenavirus,Reptarenavirus,Mammarenaviruses,Reptarenaviruses
D012367 RNA, Viral Ribonucleic acid that makes up the genetic material of viruses. Viral RNA

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