The RNA of avian acute leukemia virus MC29. 1977

P H Duesberg, and K Bister, and P K Vogt

The RNA of myelocytoma virus MC29, a replication-defective avian acute leukemia virus, was investigated. Sedimentation and electrophoretic analyses indicated that the virus contains a distinct 28S RNA with about 5700 nucleotides. It is the smallest avian tumor virus RNA detected to date. The small size of the RNA suggests that the defectiveness of the virus is due to deletions in replicative genes. The RNA shared 3 to 5 of 30 large RNase T1-resistant oligonucleotides with the RNA of other avian leukosis and sarcoma and may represent the transforming information of the virus. Sequences of the conserved transforming gene of avian sarcoma viruses were not detected in MC29 RNA. It was concluded that the transforming sequences of MC29 RNA define a new class of avian tumor viral transforming genes.

UI MeSH Term Description Entries
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
D009841 Oligonucleotides Polymers made up of a few (2-20) nucleotides. In molecular genetics, they refer to a short sequence synthesized to match a region where a mutation is known to occur, and then used as a probe (OLIGONUCLEOTIDE PROBES). (Dorland, 28th ed) Oligonucleotide
D004270 DNA, Circular Any of the covalently closed DNA molecules found in bacteria, many viruses, mitochondria, plastids, and plasmids. Small, polydisperse circular DNA's have also been observed in a number of eukaryotic organisms and are suggested to have homology with chromosomal DNA and the capacity to be inserted into, and excised from, chromosomal DNA. It is a fragment of DNA formed by a process of looping out and deletion, containing a constant region of the mu heavy chain and the 3'-part of the mu switch region. Circular DNA is a normal product of rearrangement among gene segments encoding the variable regions of immunoglobulin light and heavy chains, as well as the T-cell receptor. (Riger et al., Glossary of Genetics, 5th ed & Segen, Dictionary of Modern Medicine, 1992) Circular DNA,Circular DNAs,DNAs, Circular
D004279 DNA, Viral Deoxyribonucleic acid that makes up the genetic material of viruses. Viral DNA
D001354 Avian Leukosis Virus The type species of ALPHARETROVIRUS producing latent or manifest lymphoid leukosis in fowl. Leukosis Virus, Avian,Lymphomatosis Virus, Avian,Rous-Associated Virus,Avian Leukosis Viruses,Avian Lymphomatosis Virus,Avian Lymphomatosis Viruses,Leukosis Viruses, Avian,Lymphomatosis Viruses, Avian,Rous Associated Virus,Virus, Avian Leukosis,Virus, Avian Lymphomatosis,Virus, Rous-Associated,Viruses, Avian Leukosis,Viruses, Avian Lymphomatosis
D001358 Avian Sarcoma Viruses Group of alpharetroviruses (ALPHARETROVIRUS) producing sarcomata and other tumors in chickens and other fowl and also in pigeons, ducks, and RATS. Avian Sarcoma Virus B77,Chicken Sarcoma Virus B77,Chicken Tumor 1 Virus,Fujinami sarcoma virus,Sarcoma Viruses, Avian,Avian Sarcoma Virus,Fujinami sarcoma viruses,Sarcoma Virus, Avian,Virus, Avian Sarcoma,Viruses, Avian Sarcoma,sarcoma virus, Fujinami,virus, Fujinami sarcoma,viruses, Fujinami sarcoma
D012260 Ribonucleases Enzymes that catalyze the hydrolysis of ester bonds within RNA. EC 3.1.-. Nucleases, RNA,RNase,Acid Ribonuclease,Alkaline Ribonuclease,Ribonuclease,RNA Nucleases,Ribonuclease, Acid,Ribonuclease, Alkaline
D012367 RNA, Viral Ribonucleic acid that makes up the genetic material of viruses. Viral RNA

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