| STS | sequence tagged site; serologic test for syphilis; sodium tetradecyl sulfate; sodium thiosulfate; st... |
|---|---|
| a.t. | acquisition time; ¿µ»óȸº¹½Ã°£ = TR x N x Nex TR; Time to Repeat &... |
| VDRE | Vitamin D Responsive Element |
| ACSE | association control service element |
| BEP | brain evoked potential; basic element of performance |
| STS | Sequence Tagged Site |
|---|---|
| STM | Signature-tagged mutagenesis |
| SREBP | 1/sterol regulatory element binding protein |
| TRE | 12-(O-tetradecanoylphorbol-13-acetate response element |
| TRE | 12-O-tetradecanoyl-phorbol-13-acetate responsive element |
| sequence tagged site | <molecular biology> Short (200 to 500 base pairs) DNA sequence that has a single occurrence in the human genome and whose location and base sequence are known. Detectable by PCR, sequence tagged sites are useful for localising and orienting the mapping and sequence data reported from many different laboratories and serve as landmarks on the developing physical map of the human genome. Expressed sequence tags are sequence tagged sites derived from cDNAs. (11 Jun 1998) |
|---|---|
| sequence-tagged site map | A map representing the order and spacing of sequence-tagged sites within a stretch of DNA. (05 Mar 2000) |
| sequence tagged sites | Short, tagged tracts of DNA sequence that are used as landmarks in genome mapping. In most instances, 200 to 500 base pairs of sequence define a sequence tagged site (sts) that is operationally unique in the human genome (i.e., can be specifically detected by the polymerase chain reaction in the presence of all other genomic sequences). The overwhelming advantage of stss over mapping landmarks defined in other ways is that the means of testing for the presence of a particular sts can be completely described as information in a database. (12 Dec 1998) |
| sequence-tagged sites | Short stretches of DNA sequences that can be detected by use of the polymerase chain reaction. (05 Mar 2000) |
| tagged atom | A radioactive atom, or a stable but rare one, which by its presence in a molecule helps localization or measurement of that molecule. Synonym: tagged atom. (05 Mar 2000) |
| amphoteric element | An element one or more of whose oxides unite with water to form hydroxides that may act as acids or as bases (e.g., aluminum). (05 Mar 2000) |
| anatomical element | Any anatomical unit, such as a cell. Synonym: morphologic element. (05 Mar 2000) |
| vessel element | Part of a xylem vessel in a higher plant, arising from a single cell. The end walls are perforated and may completely disappear, giving rise to a continuous tube. The remaining walls are thickened and lignified and there is no protoplast. (18 Nov 1997) |
| volume element | See: voxel. (05 Mar 2000) |
| P element | <molecular biology> A class of Drosophila transposon, widely used as a vector for reporter genes, for efficient germ line transformation and for enhancer trap or insertional mutagenesis studies. (18 Nov 1997) |
| mobile genetic element | <molecular biology> Small, mobile DNA sequences that can replicate and insert copies at random sites within chromosomes. They have nearly identical sequences at each end, oppositely oriented (inverted) repeats and code for the enzyme, transposase, that catalyses their insertion. Bacteria have two types of transposon, simple transposons that have only the genes needed for insertion and complex transposons that contain genes in addition to those needed for insertion. Eukaryotes contain two classes of mobile genetic elements, the first are like bacterial transposons in that DNA sequences move directly. The second class (retrotransposons) move by producing RNA that is transcribed, by reverse transcriptase, into DNA which is then inserted at a new site. (13 Nov 1997) |
| picture element | <microscopy> Any segment of a video scan line whose dimension along the line is equal to the line spacing. (05 Aug 1998) |
| morphologic element | Any anatomical unit, such as a cell. Synonym: morphologic element. (05 Mar 2000) |
| control element | Generic term for a region of DNA, such as a promoter or enhancer adjacent to (or within) a gene that allows the regulation of gene expression by the binding of transcription factors. (18 Nov 1997) |
| controlling element | A transposon which, when inserted into or removed from a gene, breaks the chromosome and/or causes mutations. (09 Oct 1997) |
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