What does antitermination mean?

Definitions for antitermination
an·titer·mi·na·tion

This dictionary definitions page includes all the possible meanings, example usage and translations of the word antitermination.

Wiktionary

  1. antiterminationnoun

    A mechanism that prevents premature termination of DNA transcription

Wikidata

  1. Antitermination

    Antitermination is the prokaryotic cell's aid to fix premature termination of RNA synthesis during the transcription of RNA. It occurs when the RNA polymerase ignores the termination signal, and it provides a mechanism whereby one or more genes at the end of an operon can be switched either on or off, depending on the polymerase either recognizing or not recognizing the termination signal. Antitermination is used by some phages to regulate progression from one stage of gene expression to the next. The lambda gene N, codes for an antitermination protein that is necessary to allow RNA polymerase to read through the terminators located at the ends of the immediate early genes. Another antitermination protein, pQ, is required later in phage infection. pN and pQ act on RNA polymerase as it passes specific sites. These sites are located at different relative positions in their respective transcription units. Antitermination was discovered in bacteriophage infections. A common feature in the control of phage infection is that very few of the phage genes can be transcribed by the bacterial host RNA polymerase. Among these genes, however, are regulators whose products allow the next set of phage genes to be expressed. One of these types of regulator is an antitermination protein. In the absence of the antitermination protein, RNA polymerase terminates at the terminator. When the antitermination protein is present, it continues past the terminator.

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Numerology

  1. Chaldean Numerology

    The numerical value of antitermination in Chaldean Numerology is: 5

  2. Pythagorean Numerology

    The numerical value of antitermination in Pythagorean Numerology is: 2

Popularity rank by frequency of use

antitermination#100000#303603#333333

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"antitermination." Definitions.net. STANDS4 LLC, 2024. Web. 28 Mar. 2024. <https://www.definitions.net/definition/antitermination>.

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