| mRNA | messenger Ribo-Nucleic Acid |
|---|---|
| H-mRNA | H-chain messenger ribonucleic acid |
| mRNA | messenger ribonucleic acid |
| pre-mRNA | precursor messenger ribonucleic acid |
| AAC | antibiotic-associated [pseudomembranous] colitis; antimicrobial agent-induced colitis; augmentative ... |
| pre-mRNA | Precursor mRNA |
|---|---|
| ESE | Exonic splicing enhancer |
| NRS | negative regulator of splicing |
| mRNA | E-messenger RNA |
| mRNA | Messenger ribonucleic acid |
| alternative mRNA splicing | Splicing different exons in or out of messenger RNA to form different mRNA transcripts. (09 Oct 1997) |
|---|
| alternative splicing | A process whereby multiple protein isoforms are generated from a single gene. Alternative splicing involves the splicing together of nonconsecutive exons during the processing of some, but not all, transcripts of the gene. Thus a particular exon may be connected to any one of several alternative exons to form messenger RNA. The alternative forms produce proteins in which one part is common while the other part is different. (12 Dec 1998) |
|---|---|
| alternative | Available in place of something else. (18 Nov 1997) |
| alternative hypothesis | In Neyman-Pearson testing of a hypothesis, the hypothesis or family of hypotheses about the numerical value of a parameter if and only if the null hypothesis is rejected as untenable. (05 Mar 2000) |
| alternative inheritance | Galton's term for an assumed form in which all the characters are derived from one parent. (05 Mar 2000) |
| alternative medicine | A catch-all phrase for a long list of treatments or medicinal systems including traditional systems such as Chinese or Ayurvedic medicine, homeopathy, various herbals and other miscellaneous treatments that have not been accepted by the mainstream, or Western, medical establishment. Alternative medicine is also referred to as complementary medicine (see). The designation alternative medicine is not equivalent to holistic medicine, which is a more narrow term. See: Holistic Medicine. (09 Oct 1997) |
| alternative oxidase | <enzyme> The terminal oxidase in alternative pathway respiration, as seen in plants like sauromatum guttatum (voodoo lily); amino acid sequence for tobacco alternative oxidase (aox1) in first source Registry number: EC 1.- Synonym: aox1 gene product, aox2 gene product, aox3 gene product (26 Jun 1999) |
| alternative oxidase pathway | Pathway of mitochondrial electron transport in higher plants, particularly in fruits and seeds, that does not involve cytochrome oxidase and thus is resistant to cyanide. (18 Nov 1997) |
| alternative pathway | See: complement activation. (18 Nov 1997) |
| alternative therapy | A term given to nonconventional therapy usually given by persons who do not have a medical qualification. (16 Dec 1997) |
| alternative tremor | A coarse, low frequency (3-8 Hz) pathologic tremor produced by alternating contraction of muscles and their antagonists; seen with Parkinson disease and kinetic predominant action tremor. (05 Mar 2000) |
| capping of mRNA | The process of adding a guanosine nucleotide to the 5'-end (the beginning) of an eukaryotic mRNA, then methylating (adding a -CH3 to) the guanosine. (09 Oct 1997) |
| maternal mRNA | <molecular biology> Messenger RNA found in oocytes and early embryos that is derived from the maternal genome during oogenesis. See: masked messenger RNA. (18 Nov 1997) |
| complement pathway, alternative | The complement activation sequence initiated by the activation of complement factor c3, which is triggered by the interaction of microbial polysaccharides and properdin without participation of an antigen-antibody reaction. (12 Dec 1998) |
| mRNA | <molecular biology> Single stranded RNA molecule that specifies the amino acid sequence of one or more polypeptide chains. This information is translated during protein synthesis when ribosomes bind to the mRNA. In prokaryotes, mRNA is normally formed by splicing a large primary transcript from a DNA sequence and protein synthesis starts while the mRNA is still being synthesised. Prokaryote mRNAs are usually very short lived (average t 1/2 is 5mins.). In contrast, in eukaryotes the primary transcripts (HnRNA) are synthesised in the nucleus and they are extensively processed to give the mRNA that is exported to the cytoplasm where protein synthesis takes place. This processing includes the addition of a 5' 5' linked 7 methyl guanylate cap at the 5' end and a sequence of adenylate groups at the 3' end, the poly A tail, as well as the removal of any introns and the splicing together of exons, only 10% of HnRNA leaves the nucleus. Eukaryote mRNAs are comparatively long lived with a half life ranging from 30minutes to 24 hours. (27 Jun 1999) |
| mRNA (2'-O-methyladenosine-N6-)-methyltransferase | <enzyme> Involved in capping mRNA Registry number: EC 2.1.1.62 Synonym: mRNA n(6)-adenosine methyltransferase, mra methyltransferase, RNA(2'-o-methyladenosine-n(6)-)methyltransferase (26 Jun 1999) |
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