24: Functional Genomics
- Page ID
- 42874
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- 24.2: Genomic Approaches- The DNA Microarray
- Traditionally, when cellular levels of a protein were known to change in response to a chemical effector, molecular studies focused on control of the transcription of its gene. These studies often revealed that the control of gene expression was at the level of transcription, turning a gene on or off through interactions of transcription factors with DNA.
Thumbnail: A DNA microarray (CC BY-SA 3.0 Unported; Guillaume Paumier via Wikipedia)