operator

Termination codon

...et of genes trans cribed under the control of an operator gene . Full article >>>...

Structural gene

...2; An operon is a group of genes including an operator , a common promoter , and one or more structural gene s that are controlled as a unit to produce messenger RNA (m RNA ). Operon s occur primarily in prokaryotes and nematodes. Full article >>> The structural gene s include lami...

Site

...ghting infection. Full article >>> operator - site on DNA at which repressor protein 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 . Bac...

Repressor

...ns then attach to a DNA segment known as the operator . By binding to the operator , the repressor protein prevents the RNA polymerase from creating messenger RNA . Full artic...

Replicon

...t blocks gene transcription by binding to the operator . Full article >>> Replicon : A s...t blocks gene transcription by binding to the operator . Restriction endonuclease ( enzyme ). Full article >>>...

Regulatory sequence

...ing the expression of a gene : a promoter or operator . regulon A group of genes that are coordinately regulated. release factors termination factors. Full article >>> We have developed a computational tool, RegSeq: Regulatory Sequence Analyzer, ... Full article >>> These...

Reading frame

...et of genes trans cribed under the control of an operator gene . Full article >>> Open Reading Frame A brief description of the concept of an open reading frame (ORF). View QuickTime Movie p53's Role in the Cell ... Full article >>> Phase or reading frame of a se...

Promoter site

...DNA where the repressor protein binds is the operator site . The promoter site is a region of DNA ...olymerase can bind. The entire unit ( promoter , operator , and genes) is an operon . Full article >>>...

Promoter

...ing the expression of a gene : a promoter or operator . regulon A group of genes that are coordinately regulated. release factors termination factors. Full article >>> It actually has a series of genes in sequence that are led by a promoter . Full article >>> promoter ...

Prokaryotes

...t blocks gene transcription by binding to the operator . Restriction endonuclease ( enzyme ). Full article >>> Codes for the first amino acid in all polypeptide sequence s, which is N-formyl-methionine in prokaryotes and methionine in eukaryotes . Full article >>> ...

Operon

...nately controlled genes under the influence of an operator and regulatory genes Source: Jenkins, John B. 199...ron An operon is a group of genes including an operator , a common promoter , and one or more structural gene s that are controlled as a unit to produce ...

Operator

...n or repressor -co repressor complex. When the operator is complexed with the repressor , ... Full arti...vels of abstr action To begin with, the usage of operator in mathematics is subsumed in the usage of function: an operator can be taken to be some special ...

Open reading frame

...et of genes trans cribed under the control of an operator gene . Full article >>> Open reading frame (ORF) A stretch of DNA which potentially codes for protein . A length of DNA not interrupted by stop codon s. A sequence of in frame codon s preceded by a translation al initia...

Lac repressor

... lac repressor (LacI) operates by binding to the operator region of the lac operon . This blocks RNA poly... sequence of two dozen nucleotide s called the operator . [Link to a discussion of how the DNA sequence of the operator site can be determined.] Most ...

Inducer

...sually refers to an agent that alters repressor - operator interactions, often by decreasing DNA -binding. ...the repressor protein and deattaches from the operator . The RNA polymerase then can create the messenger RNA and allow the gene to be express ed. ...

DNA replication

...t blocks gene transcription by binding to the operator . Full article >>> : One of the ba...t blocks gene transcription by binding to the operator . Restriction endonuclease ( enzyme ). Full article >>>...

Bacteriophage lambda

... the lac operon of E. coli the lacI gene the operator of the operon the beta-galactosidase (lacZ) gene ... Full article >>> Participants used restriction enzymes to cut DNA from the bacteriophage lambda and analyzed the resulting DNA fragments by agarose gel electrophores...