| op | operation; operator |
|---|---|
| HL | hairline; hairy leukoplakia; half life; hearing level; hearing loss; heparin lock; histiocytic lymph... |
| HLA | histocompatibility leukocyte antigen; histocompatibility locus antigen; homologous leukocyte antibod... |
| LC | Laennec cirrhosis; Langerhans cell; late clamped; large chromophobe; lecithin cholesterol acyltransf... |
| LCR | locus control region |
| LacO | Lac operator |
|---|---|
| ROC | Receive operator characteristic |
| ROC | Receiver Operator Characteristic Curve |
| ROC | Receiver Operator Curve |
| QTL | Aquantitative trait locus |
| met repressor operator complex | Repressor protein, 104 residues, product of the metJ gene, which regulates methionine biosynthesis in E. Coli. Dimeric molecules bind to adjacent sites 8 base pairs apart on the DNA, sequence recognition is by interaction between antiparallel strands of protein and the major groove of the B form DNA duplex. (18 Nov 1997) |
|---|---|
| operator | <molecular biology> The site on DNA to which a specific repressor protein binds and prevents the initiation of transcription at the adjacent promoter. (18 Nov 1997) |
| operator gene | A gene with the function of activating the production of messenger RNA by one or more adjacent structural loci; part of the feedback system for determining the rate of production of an enzyme. (05 Mar 2000) |
| operator region | <genetics> DNA sequences which signal the initiation of transcription when derepressed. (12 Dec 1998) |
| genetic locus | <genetics> The position of a gene in a linkage map or on a chromosome. (18 Nov 1997) |
| marker locus | A locus on a chromosome or in a stretch of DNA that can be identified (e.g., a restriction fragment length polymorphism) and can serve in linkage analysis and in the isolation of a disease gene. See: linkage marker. (05 Mar 2000) |
| cis-acting locus | A section of DNA that affects the activity of DNA sequences on that same molecule of DNA. (05 Mar 2000) |
| complex locus | A set of closely linked genetic loci with a common function, as in the major histocompatibility complex locus. (05 Mar 2000) |
| W locus | <molecular biology> Mouse coat colour locus, equivalent to the kit proto-oncogene, that encodes a receptor tyrosine kinase essential for development of haemopoietic and germ cells. (18 Nov 1997) |
| multi locus enzyme electrophoresis | Inhibition of translation of the transcript of a transposase gene by a multicopy plasmid with suitable inhibitory gene. The plasmid inhibits transposition events in the host bacterium. (18 Nov 1997) |
| multi-locus probe | A probe that hybridizes to anumber of different sites in the genome of an organism. (09 Oct 1997) |
| X-linked locus | Any locus that in normal karyotypes is borne on the X chromosome. (05 Mar 2000) |
| sex-linked locus | Any locus that in normal karyotypes is borne on a heterosome; commonly but incorrectly applied to an X-linked locus. (05 Mar 2000) |
| Y-linked locus | Any (haploid) locus that in normal karyotypes is borne on the Y chromosome. The known content is so far small. (05 Mar 2000) |
| locus | <genetics> The site in a linkage map or on a chromosome where the gene for a particular trait is located. Any one of the alleles of a gene may be present at this site. (18 Nov 1997) |
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