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Seed Biotechnology Center at UC Davis
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Proteomics

In general, the DNA in genes codes for the manufacture of proteins by the cellular protein synthesizing machinery.

Genes encoded by the DNA are converted into proteins selectively during development, such that only a subset of genes is being actively transcribed (read into messenger RNA molecules) and translated (converted into proteins) at any given time.

Thus, while an individual organism’s genotype is more or less fixed and constant in all of its cells, the proteome, or sum of all the proteins currently present, varies by cell type, developmental stage, and environmental conditions.

Proteomics is the study of the proteins that are produced by an organism or cell under various conditions.

Since tens of thousands of different proteins can be produced by an organism, proteomics employs techniques to first separate and then identify each of these proteins in an extracted sample.

Information about the proteins that are present can be linked with metabolic pathways to shed light on the types of processes that are occurring in the cells and to regulation of the genes that encode the proteins.

 
 

information presented by SeedQuest and The Seed Biotechnology Center at UC Davis

 


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