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14.7: Introduction to Eukaryotic Gene Regulation

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    What you’ll learn to do: Discuss different components and types of epigenetic gene regulation

    Your amazing body contains hundreds of different cell types, from immune cells to skin cells to neurons. Almost all of your cells contain the same set of DNA instructions: so why do they look so different, and do such different jobs? The answer: different gene regulation!

    Gene regulation is how a cell controls which genes, out of the many genes in its genome, are “turned on” (expressed). Thanks to gene regulation, each cell type in your body has a different set of active genes – despite the fact that almost all the cells of your body contain the exact same DNA. These different patterns of gene expression cause your various cell types to have different sets of proteins, making each cell type uniquely specialized to do its job.

    Eukaryotic gene expression is more complex than prokaryotic gene expression because the processes of transcription and translation are physically separated. Unlike prokaryotic cells, eukaryotic cells can regulate gene expression at many different levels. Eukaryotic gene expression begins with control of access to the DNA. This form of regulation, called epigenetic regulation, occurs even before transcription is initiated.

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    • Introduction to Eukaryotic Gene Regulation. Provided by: Lumen Learning. License: CC BY: Attribution
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    14.7: Introduction to Eukaryotic Gene Regulation is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts.

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