Promoter
In molecular biology, a site on DNA to which the enzyme RNA polymerase can bind and initiate the transcription of DNA into RNA.
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1. In chemistry, a substance that increases the activity of a catalyst. 2. In molecular biology, a DNA sequence at which RNA polymerase binds and initiates transcription.

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pro·mot·er -'mōt-ər n
1) a substance that in very small amounts is able to increase the activity of a catalyst
2) a binding site in a DNA chain at which RNA polymerase binds to initiate transcription of messenger RNA by one or more nearby structural genes
3) a chemical believed to promote carcinogenicity or mutagenicity

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n.
a substance that, in conjunction with an initiator, leads to the production of a cancer.

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pro·mo·ter (prə-moґtər) 1. a segment of DNA usually occurring upstream from a gene coding region and acting as a controlling element in the expression of that gene; it serves as a recognition signal for an RNA polymerase and marks the site of initiation of transcription. 2. a substance in a catalyst that increases the rate of activity of the catalyst. Cf. protector. 3. a type of epigenetic carcinogen that promotes neoplastic growth only after initiation by another substance; called also cocarcinogen.

Medical dictionary. 2011.

Look at other dictionaries:

  • promoter — pro·mot·er n: one who alone or with others actively participates in the formation of a business or venture promoter s owe a fiduciary duty to the corporation they are promoting R. C. Clark Merriam Webster’s Dictionary of Law. Merriam Webster.… …   Law dictionary

  • promoter — pro‧mot‧er [prəˈməʊtə ǁ ˈmoʊtər] noun [countable] 1. COMMERCE someone who arranges and advertises concerts and sports events: • a boxing promoter 2. a person, organization etc that tries to persuade people to support or use something: • The… …   Financial and business terms

  • Promoter — Pro*mot er, n. 1. One who, or that which, forwards, advances, or promotes; an encourager; as, a promoter of charity or philosophy. Boyle. [1913 Webster] 2. Specifically, one who sets on foot, and takes the preliminary steps in, a scheme for the… …   The Collaborative International Dictionary of English

  • Promoter — ist eine DNA Sequenz, siehe Promotor (Genetik) eine freie erwerbswirtschaftliche Beschäftigung, siehe Promotionjob eine Tätigkeit der Öffentlichkeitsarbeit in der Musikindustrie, siehe Musikpromotion Diese Seite ist ein …   Deutsch Wikipedia

  • promoter — promoter. См. промотор. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • promoter — /prə məʊtə/, it. /pro mɔter/ s. ingl. (propr. promotore ), usato in ital. al masch. e al femm. 1. (prof., comm.) [chi svolge attività di promozione di un prodotto commerciale] ▶◀ promotore. 2. (prof., massm.) [chi cura l allestimento di… …   Enciclopedia Italiana

  • promoter — mid 15c., one who promotes, agent noun from PROMOTE (Cf. promote); specific financial sense of one who leads in forming a company is from 1876; sense of one who organizes sporting or entertainment events is attested from 1936 …   Etymology dictionary

  • promoter — /proˈmɔter, ingl. prəˈməutə(r)/ [vc. ingl., propr. «promotore»] s. m. e f. inv. 1. (commerciale) promotore, venditore 2. (nello spettacolo e nello sport) agente, manager 3. (di eventi e manifestazioni) impresario, organizzatore …   Sinonimi e Contrari. Terza edizione

  • promoter — [n] supporter advertiser, advocate, ally, backer, booster, endorser, follower, organizer, publicist, sponsor; concept 423 …   New thesaurus

  • promoter — ► NOUN 1) the organizer of a sporting event or theatrical production. 2) a supporter of a cause or aim …   English terms dictionary

  • promoter — [prə mōt′ər, prōmōt′ər] n. [ME < MFr promoteur < ML promotor] 1. a person or thing that promotes; specif., a person who begins, secures financing for, and helps to organize an undertaking, as a business or a sports event 2. Chem. a… …   English World dictionary

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