Gene expression [Neurosurgery Wiki]

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====== Gene expression ======
The process by which information from a [[gene]] is used in the synthesis of a functional [[gene product]]. 

[[Gene transcription]] is the process by which [[DNA]] is used as a template to synthesize [[RNA]]. It is the first step in [[gene expression]]

These products are often [[protein]]s, but in [[non-coding gene]]s such as [[transfer RNA]] (tRNA) or small nuclear RNA (snRNA) genes, the product is a functional RNA. The process of gene expression is used by all known life - eukaryotes (including multicellular organisms), prokaryotes (bacteria and archaea), and utilized by viruses - to generate the macromolecular machinery for life. Several steps in the gene expression process may be modulated, including the transcription, RNA splicing, translation, and post-translational modification of a protein.

===== Gene expression regulation =====

[[Gene expression regulation]].



===== Gene expression analysis =====
[[Gene expression analysis]]. 

===== Gene expression profiling =====
[[Gene expression profiling]].