In genetics, an operon is a functioning unit of DNA containing a cluster of genes under the control of a single promoter. The genes are transcribed together...
21 KB (2,544 words) - 00:40, 27 April 2024
The lactose operon (lac operon) is an operon required for the transport and metabolism of lactose in E. coli and many other enteric bacteria. Although...
40 KB (5,212 words) - 19:33, 1 July 2024
trp operon is a group of genes that are transcribed together, encoding the enzymes that produce the amino acid tryptophan in bacteria. The trp operon was...
21 KB (2,606 words) - 07:48, 3 June 2024
ODB (Operon DataBase) is a database of conserved operons in sequenced genomes. Operon Okuda, Shujiro; Yoshizawa Akiyasu C (Jan 2011). "ODB: a database...
1 KB (52 words) - 07:54, 1 February 2022
The L-arabinose operon, also called the ara or araBAD operon, is an operon required for the breakdown of the five-carbon sugar L-arabinose in Escherichia...
16 KB (1,675 words) - 16:15, 5 March 2024
The gua operon is responsible for regulating the synthesis of guanosine mono phosphate (GMP), a purine nucleotide, from inosine monophosphate (IMP or inosinate)...
9 KB (1,143 words) - 10:40, 27 December 2023
The gal operon is a prokaryotic operon, which encodes enzymes necessary for galactose metabolism. Repression of gene expression for this operon works via...
8 KB (1,087 words) - 01:54, 28 March 2024
The nik operon is an operon required for uptake of nickel ions into the cell. It is present in many bacteria, but has been extensively studied in Helicobacter...
6 KB (655 words) - 23:31, 12 April 2020
In molecular biology, the ars operon is an operon found in several bacterial taxon. It is required for the detoxification of arsenate, arsenite, and antimonite...
8 KB (814 words) - 05:49, 19 February 2024
The capsule biosynthesis, or CPS operon, is a section of the genome present in some Escherichia coli, of which regulates the production of polysaccharides...
2 KB (219 words) - 17:16, 5 December 2020
The Tryptophan operon leader is an RNA element found at the 5′ of some bacterial tryptophan operons. The leader sequence can form two different structures...
5 KB (555 words) - 21:55, 21 June 2024
The gab operon is responsible for the conversion of γ-aminobutyrate (GABA) to succinate. The gab operon comprises three structural genes – gabD, gabT...
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The threonine operon leader is an RNA element. Threonine is one of at least 6 amino acid operons are known to be regulated by attenuation. In each a leader...
2 KB (201 words) - 05:26, 10 October 2019
Transfer gene (redirect from Tra operon)
Transfer genes or tra genes (also transfer operons or tra operons), are some genes necessary for non-sexual transfer of genetic material in both gram-positive...
5 KB (596 words) - 23:08, 3 January 2024
Ribosomal DNA (redirect from RRNA operon)
amount of bacteria and archaea diverge from the canonical structure of the operon containing the rDNA genes, carrying the "unlinked" genes in different places...
17 KB (1,893 words) - 06:49, 24 August 2024
The Leucine operon leader is an RNA element found upstream of the first gene in the Leucine biosynthetic operon. The leader sequence can assume two different...
2 KB (174 words) - 17:44, 16 December 2020
Attenuator (genetics) (section The trp operon)
textbooks, is ribosome-mediated attenuation of the trp operon. Ribosome-mediated attenuation of the trp operon relies on the fact that, in bacteria, transcription...
17 KB (2,242 words) - 19:56, 17 August 2024
Repressor (section lac operon repressor)
and the silencer region to come in proximity of each other. The lacZYA operon houses genes encoding proteins needed for lactose breakdown. The lacI gene...
13 KB (1,503 words) - 19:58, 1 January 2024
Moran as Jean Gabrielle Atger [fr] as Clarisse Rose Favrat as Rose Lou-Ann Opéron as Pauline Eriq Ebouaney as The psychiatrist "Boomerang (2015) (2015) -...
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operon is a series of genes encoding the tRNA for tyrosine in Escherichia coli. It is activated in response to amino acid starvation. The tyrT operon...
1 KB (148 words) - 09:28, 26 December 2019
pectin. The L-arabinose operon, also known as the araBAD operon, has been the subject of much biomolecular research. The operon directs the catabolism...
5 KB (321 words) - 04:24, 26 October 2023
of the operon, called the operator region, and represses transcription of the operon; when the repressor is inactive transcription of the operon can occur...
110 KB (12,568 words) - 07:41, 2 July 2024
transcription of the operon. The lac operon in the prokaryote E. coli consists of genes that produce enzymes to break down lactose. Its operon is an example...
27 KB (3,340 words) - 20:01, 8 June 2024
allolactose, a lactose metabolite that triggers transcription of the lac operon, and it is therefore used to induce protein expression where the gene is...
5 KB (500 words) - 23:52, 2 May 2023
The Histidine operon leader is an RNA element found in the bacterial histidine operon. At least 6 amino acid operons are known to be regulated by attenuation...
3 KB (296 words) - 11:47, 17 April 2023
multiple replication origins. The genes in prokaryotes are often organized in operons, and do not usually contain introns, unlike eukaryotes. Prokaryotes do...
64 KB (6,540 words) - 18:22, 1 August 2024
annotated protein-coding genes (organized into 2584 operons), seven ribosomal RNA (rRNA) operons, and 86 transfer RNA (tRNA) genes. Despite having been...
107 KB (11,120 words) - 15:36, 7 August 2024
promoter. A cluster of genes that share the same promoter is called an operon, found mainly in prokaryotes and some lower eukaryotes (e.g., Caenorhabditis...
133 KB (13,806 words) - 21:01, 5 August 2024
promoter site. In prokaryotes, multiple genes can be transcribed together (operon), and are thus controlled under the same regulatory sequence. In eukaryotes...
17 KB (1,959 words) - 02:34, 31 December 2023
the adjacent promoter to start transcription of the lac operon, increasing the rate of lac operon transcription. With a high glucose concentration, the...
16 KB (1,612 words) - 17:03, 22 January 2024