operon

Transcription unit

...cription unit A region of DNA (a gene or an operon ) trans cribed as a single RNA . Transcriptome The complete set of RNA transcript s made by a cell under a particular condition. Typically determined by microarray ana lysis . Full article >>> 121. Transcription Unit Org...

Structural gene

... chromosome . Full article >>> An operon is a group of genes including an operator , a co...e transcription of the structural gene s of an operon . operon (op-ur-on) [L. opus, operis, work] ... Full article >>> OPERON - A compl...

Site

...binds to prevent transcription , e.g. in the lac operon . organogenesis - creation of specific tissue s and bodily organ s by cell inter action and rearrangement following gastrulation . Back to the Top ... Full article >>> reservoir. The site where a pest population or quantity...

Segment

...e transcription of the structural gene s of an operon . operon (op-ur-on) [L. opus, operis, work] ... Full article >>> A segment of a chromosome...

Ribosome binding site

...2; Annotation of structural features, including operon and regulon organ ization, promoter and ribosome binding site recognition, repressor and activator binding site calling, transcription terminator s, and other functional elements ; and ... Full article >>>...

Ribonucleic acid

... DNA . De repression The release of a gene or operon from repression so that it is express ed (or turned on). Full article >>> RNA ( ribonucleic acid ) is similar to DNA and is involved in the synthesis of polypeptide s and proteins as discussed above. The table below lists di...

Repressor

...of the inducing substance (in the case of the lac operon , lactose). Full article >>> Repre...oes not have to be adjacent to other genes in the operon . Full article >>> The term introduced by Jacob, Perrin, Sanchez and Monod (1960) for...

Repression

...ion (inactivation) of certain sugar-metabolizing operon s (eg lac) in favour of glucose utilization when... article >>> Seventy-five different operon s controlling 250 structural gene s have been identified for E. coli. Both repression and inducti...

Reporter Gene

...vely easy assay (often a colorimetric assay). See operon and gene fusions. Full article >>> Reporter gene Gene coding for an easily assayed protein which is used to detect expression of the gene under different conditions; usually to test the activity of a promoter . Full arti...

Promoter site

...re unit ( promoter , operator , and genes) is an operon . Full article >>>...

Promoter

...hat is upstream (5') to coding sequence s (cf. operon ) to which RNA polymerase will bind and initiate transcription . Related Terms: Deoxyribonucleic acid ( DNA ) ... Full article >>> Promoter Prediction Neural net promoter prediction The resulting predictions are filtered and...

Operon

...#62;> Operon gene regulation Control of operon genes is a type of gene regulation that enables...tive. Full article >>> Operon An operon is a group of genes including an operator , a common promoter , and one or more structural gene ...

Operator

operator in an operon , the site at which the repressor binds, shutt...>>> A DNA region at one end of an operon that acts as the binding site for repressor protein . A DNA sequence that is recognized by a...

Nonsense Mutation

...iption or translation of part of the gene or operon downstream of the mutant site . For example, nonsense mutation s, frameshift mutation s, and insertion sequence (IS)-induced mutation s. Full article >>> nonsense mutation A mutation that results in the premature terminatio...

Lagging strand

...i fragments . Full article >>> lac operon [Discussion] [using it to detect mutation s in mice] [using it to detect cell -specific gene expression ] lac repressor [Discussion] [isolating by affinity chromatography ] Lactase Lacteal Lactose Lagging strand ( DNA ) Laminins Lamins ... Fu...

Lac repressor

...es by binding to the operator region of the lac operon . This blocks RNA polymerase from binding, and so prevents transcription of the m RNA coding for the lac proteins . Full article >>> Lac repressor The lac repressor is an enzyme which stops the metabolism of lactose in b...

Intergenic

...g frame s as a primary predictor of the number of operon s in the genome . The separation merely changes the frame and guarantees that the read through is efficient. Full article >>> Intergenic region s. DNA sequence s located between genes that comprise a large percentage of the human...

Inducer

...l molecule that induces transcription from an operon Source: Jenkins, John B. 1990. Human Genetics ...ne encoding the repressor protein of the lac operon ; when lactose binds the repressor protein , the lac operon is induced. Full article >>...

In vivo

...hiogalactoside. A gratuitous inducer of the lac operon . Full article >>> In vivo. Refers to biological processes that take place within a living organ ism or cell . Ion. A charged particle. Full article >>> In vivo: In living organ ism K Karyotype : A photomicrograph of...

In situ hybridization

...ne encoding the repressor protein of the lac operon ; when lactose binds the repressor protein , the lac operon is induced. Full article >>> In situ hybridization : Use of a DNA or RNA probe...

Hybridization

...ne encoding the repressor protein of the lac operon ; when lactose binds the repressor protein , the lac operon is induced. Full article >>> (Redirected from Hybridization ) In genetics , hybri...

Hybrid

...ne encoding the repressor protein of the lac operon ; when lactose binds the repressor protein , the lac operon is induced. Full article >>> In the authors' hybrid GA, a shortest-path-first algo...

Flagellum

...es with genes from other bacteria indicate that operon s for septum formation and biosynthesis of the basal body and flagellum ... Full article >>> trans port system or the site of photosynthetic energy metabolism is located in the cytoplasm ic membrane. The ribosomes of the pro...

Deoxyribonucleic acid

... DNA . De repression The release of a gene or operon from repression so that it is express ed (or turned on). Full article >>> deoxyribonucleic acid A polymer of deoxyribonucleotide s that is in the form of a double helix ; DNA is the genetic molecule of life in that it codes...

Bacteriophage lambda

...e vector for 3 genetic elements from the lac operon of E. coli the lacI gene the operator of the operon the beta-galactosidase (lacZ) gene ... Full article >>> Participants used restri...