Biomaterial Database

[Characteristics of 24S and 35S virus-specific RNA in cells infected with Newcastle disease virus]. 1977

I S Lukashevich, and N L Varich, and N V Kaverin

The properties of 24S and 35S virus-specific RNAs of Newcastle disease virus were studied after denaturation. It was shown that 60-80% of 24S and 35SRNA consisted of agglomerates of molecules of virus-specific 18S RNA. Undissociable upon denaturation, 24S RNA contained mainly the same components as undenaturated RNA and consisted completely of sequences of virus-specifis 18S RNA. Undissociable 35S RNA contained no "heavy" heterogenous material present in the intact undenaturated RNA and 75% of it consisted os sequences of 18S virus-specific RNA. Some sequences present in undissociable 24S RNA were absent in undissociable 35S RNA. The aggregation of virus-specific na-transcripts and subsequent formation of covalent bonds between transcripts as well as possible formation of "solid" transcripts of the adjacent genes are discussed.

UI	MeSH Term	Description	Entries
D009522	Newcastle disease virus	The most well known avian paramyxovirus in the genus AVULAVIRUS and the cause of a highly infectious pneumoencephalitis in fowl. It is also reported to cause CONJUNCTIVITIS in humans. Transmission is by droplet inhalation or ingestion of contaminated water or food.	Avian Paramyxovirus 1,Paramyxovirus 1, Avian
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
D009693	Nucleic Acid Hybridization	Widely used technique which exploits the ability of complementary sequences in single-stranded DNAs or RNAs to pair with each other to form a double helix. Hybridization can take place between two complimentary DNA sequences, between a single-stranded DNA and a complementary RNA, or between two RNA sequences. The technique is used to detect and isolate specific sequences, measure homology, or define other characteristics of one or both strands. (Kendrew, Encyclopedia of Molecular Biology, 1994, p503)	Genomic Hybridization,Acid Hybridization, Nucleic,Acid Hybridizations, Nucleic,Genomic Hybridizations,Hybridization, Genomic,Hybridization, Nucleic Acid,Hybridizations, Genomic,Hybridizations, Nucleic Acid,Nucleic Acid Hybridizations
D012367	RNA, Viral	Ribonucleic acid that makes up the genetic material of viruses.	Viral RNA

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