RNA-dependent RNA polymerase (RdRp) or RNA replicase is an enzyme that catalyzes the replication of RNA from an RNA template. Specifically, it catalyzes...
28 KB (3,249 words) - 10:55, 3 June 2024
T7 RNA Polymerase is an RNA polymerase from the T7 bacteriophage that catalyzes the formation of RNA from DNA in the 5'→ 3' direction. T7 polymerase is...
9 KB (1,030 words) - 13:16, 22 February 2024
In molecular biology, RNA polymerase (abbreviated RNAP or RNApol), or more specifically DNA-directed/dependent RNA polymerase (DdRP), is an enzyme that...
41 KB (4,799 words) - 19:34, 17 April 2024
biochemistry, a polymerase is an enzyme (EC 2.7.7.6/7/19/48/49) that synthesizes long chains of polymers or nucleic acids. DNA polymerase and RNA polymerase are used...
7 KB (673 words) - 14:35, 24 October 2023
Positive-strand RNA virus genomes usually contain relatively few genes, usually between three and ten, including an RNA-dependent RNA polymerase. Coronaviruses...
16 KB (1,674 words) - 22:56, 21 January 2024
viral RNA is complementary to mRNA and thus must be converted to positive-sense RNA by an RNA-dependent RNA polymerase before translation. Purified RNA of...
36 KB (3,853 words) - 21:55, 22 February 2024
protein. mRNA is created during the process of transcription, where an enzyme (RNA polymerase) converts the gene into primary transcript mRNA (also known...
49 KB (5,922 words) - 00:21, 9 May 2024
material. Also, RNA-dependent RNA polymerase is part of the RNA interference pathway in many organisms. Messenger RNA (mRNA) is the RNA that carries information...
64 KB (7,522 words) - 14:14, 6 June 2024
RNA polymerase II (RNAP II and Pol II) is a multiprotein complex that transcribes DNA into precursors of messenger RNA (mRNA) and most small nuclear RNA...
27 KB (3,100 words) - 17:09, 21 April 2024
Reverse transcriptase (redirect from RNA-dependent DNA polymerase)
information from RNA to DNA are explicitly held possible. Retroviral RT has three sequential biochemical activities: RNA-dependent DNA polymerase activity, ribonuclease...
27 KB (3,043 words) - 01:27, 27 April 2024
cells, RNA polymerase III (also called Pol III) is a protein that transcribes DNA to synthesize 5S ribosomal RNA, tRNA, and other small RNAs. The genes...
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appear to be produced by an RNA-dependent RNA polymerase (RdRP). MicroRNAs (miRNAs) are genomically encoded non-coding RNAs that help regulate gene expression...
141 KB (15,445 words) - 10:03, 7 June 2024
synthesis of pre-RNA. This requires the presence of all three RNA polymerases. In fact, the transcription of pre-RNA by RNA polymerase I accounts for about...
60 KB (7,195 words) - 11:54, 17 May 2024
complementary strands from which messenger RNA (mRNA) is synthesized by the viral enzyme RNA-dependent RNA polymerase (RdRp). During replication of the viral...
27 KB (3,032 words) - 21:46, 8 May 2024
interfering RNA (siRNA). Together with RNA polymerase IV (Pol IV), Pol V is involved in an siRNA-dependent epigenetic pathway known as RNA-directed DNA...
4 KB (604 words) - 12:45, 22 February 2024
Transcription (biology) (redirect from RNA transcription)
transcription, a DNA sequence is read by an RNA polymerase, which produces a complementary, antiparallel RNA strand called a primary transcript. In virology...
58 KB (6,780 words) - 04:35, 23 May 2024
Arabidopsis. Specifically with decline in function mutations for RNA-dependent RNA polymerase and DICER-like production. This impairment actually enhanced...
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template by the viral RNA-dependent RNA polymerase (RdRp) to transcribe a positive-strand RNA functioning as messenger RNA (mRNA) for the host cell's ribosomes...
17 KB (1,922 words) - 07:54, 8 January 2024
Orthornavirae (redirect from RNA viruses)
(RNA), including genes which encode an RNA-dependent RNA polymerase (RdRp). The RdRp is used to transcribe the viral RNA genome into messenger RNA (mRNA)...
32 KB (3,253 words) - 15:20, 19 May 2024
RNA polymerase 1 (also known as Pol I) is, in higher eukaryotes, the polymerase that only transcribes ribosomal RNA (but not 5S rRNA, which is synthesized...
13 KB (1,695 words) - 01:30, 16 August 2023
changes to specific nucleotide sequences within an RNA molecule after it has been generated by RNA polymerase. It occurs in all living organisms and is one...
61 KB (7,435 words) - 17:16, 8 June 2024
RNA polymerase IV (RNAP IV) is an enzyme that synthesizes small interfering RNA (siRNA) in plants, which silence gene expression. RNAP IV belongs to a...
15 KB (1,821 words) - 09:09, 14 August 2023
Picornavirus (section RNA elements)
virus to have its structure determined by x-ray crystallography. RNA dependent RNA polymerase was discovered in Mengovirus, a genus of picornaviruses. Picornaviruses...
32 KB (3,645 words) - 01:23, 21 April 2024
that use a homologous RNA-dependent polymerase for replication. It includes RNA viruses that encode an RNA-dependent RNA polymerase, as well as reverse-transcribing...
30 KB (3,483 words) - 03:44, 12 May 2024
Baltimore classification (redirect from Rna virus infections)
RNA polymerase. Second, once the RNA polymerase is recruited, it uses the negative strand as a template for synthesizing mRNA strands. Third, the RNA...
47 KB (5,685 words) - 10:01, 7 June 2024
RNA-dependent RNA polymerase (RdRp) to generate more siRNAs. In Schizosaccharomyces pombe and Arabidopsis, the processing of dsRNA targets into siRNA by...
36 KB (3,836 words) - 14:30, 19 April 2024
RNA-dependent RNA polymerases) is cleaved by an endo-ribonuclease called Dicer. Dicer cuts the long dsRNA to form short interfering RNA or siRNA; this...
55 KB (6,760 words) - 11:46, 28 April 2024
Antisense RNA (asRNA), also referred to as antisense transcript, natural antisense transcript (NAT) or antisense oligonucleotide, is a single stranded RNA that...
24 KB (2,995 words) - 18:15, 24 September 2023
from the negative-stranded genome by the viral RNA-dependent RNA polymerase to yield monocistronic mRNAs that code for the various viral proteins. A positive-sense...
20 KB (2,497 words) - 04:24, 22 April 2024
Transfer RNA (abbreviated tRNA and formerly referred to as sRNA, for soluble RNA) is an adaptor molecule composed of RNA, typically 76 to 90 nucleotides...
63 KB (7,633 words) - 21:42, 19 May 2024