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Trans-Wirkung
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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Trans-Wirkung (von lat. trans βjenseitsβ) bezeichnet eine Wirkung auf die Genexpression durch die Genprodukte von regulatorischen Genen (diese sind RNA oder Proteine), deren Wirkung unabhΓ€ngig von ihrem Genort sind.cite-ref-atwood-1-0[1]cite-ref-2[2] Typische Beispiele fΓΌr eine Trans-Wirkung sind bakterielle Repressoren.cite-ref-atwood-1-1[1] Im Gegensatz zur Transaktivierung erfolgt eine Cis-Wirkung durch Cis-wirkende Elemente, also durch regulatorische Elemente auf demselben DNA-MolekΓΌl, wie beispielsweise bakterielle Operatoren.cite-ref-atwood-1-2[1] Die Trans-Wirkung kann unterteilt werden in Wirkungen von Aktivatoren (Trans-Aktivierung) und von Repressoren (Trans-Repression) der Genexpression.
Contents
β’ Siehe auch
β’ Einzelnachweise
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Siehe auch
Einzelnachweise
cite-note-atwood-11. β Teresa Atwood, Peter Campbell, Howard Parish, Anthony Smith, Frank Vella, John Stirling: Oxford Dictionary of Biochemistry and Molecular Biology. Oyford University Press, Oxford, 2006, ISBN 978-0-198-52917-0. S. 125, 670.
cite-note-22. β James D. Watson, Amy A. Caudy, Richard M. Myers, Jan A. Witkowski: Recombinant DNA: Genes and Genomes - A Short Course. Cold Spring Harbor Press, 2007, ISBN 0-7167-2866-4, S. 57β58 (englisch).