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Ectopic expression

 
Sci-Tech Dictionary: ectopic expression
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(ek¦täp·ik iks′presh·ən)

(genetics) Phenotypic expression of a gene in a type of cell or tissue in which it is usually inactive.

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Genetics Encyclopedia: ectopic expression
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Expression of a gene in the wrong cells or tissues.

Wikipedia: Ectopic expression
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Ectopic expression is the expression of a gene in an abnormal place in an organism. This can be caused by a disease, or it can be artificially produced as a way to help determine what the function of that gene is.

Ectopic expression of a gene can be done by introducing a transgene with a modified promoter into the target organism (transient or stable transfection) or by using the Gal4-UAS system. Ectopic expression is used to gain further understanding of the gene's functions.



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Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.  Read more
Genetics Encyclopedia. Genetics. Copyright © 2003 by The Gale Group, Inc. All rights reserved.  Read more
Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Ectopic expression".  Read more