In Situ Hybridization - Research Article from Macmillan Science Library: Genetics

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Application of the Probe for Dna or Rna to Tissues or Cells

In situ hybridization allows us to learn more about the geographical location of, for example, the messenger RNA (mRNA) in a cell or tissue. It can also tell us where a gene is located on a chromosome. Obviously, a detection system must be built into the technique to allow the cytochemist to visualize and map the geography of these molecules in the cells in question.

When in situ hybridization was first introduced, it was applied to isolated cell nuclei to detect specific DNA sequences. Early users applied the techniques to isolated chromosomal preparations in order to map the location of genes in those chromosomes. The technique has also been used to detect viral DNA in an infected cell. In situ hybridization of RNA has also been used to show that RNA synthesis (transcription) occurs in...

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This section contains 1,535 words
(approx. 6 pages at 300 words per page)
Buy the In Situ Hybridization Encyclopedia Article
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Macmillan Science Library: Genetics
In Situ Hybridization from Macmillan Science Library: Genetics. Copyright © 2001-2006 by Macmillan Reference USA, an imprint of the Gale Group. All rights reserved.
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