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Setting the Standards: Quality Control in the Secretory Pathway

A variety of quality control mechanisms operate in the endoplasmic reticulum and in downstream compartments of the secretory pathway to ensure the fidelity and regulation of protein expression during cell life and differentiation. As a rule, only proteins that pass a stringent selection process are transported to their target organelles and compartments. If proper maturation fails, the aberrant products are degraded. Quality control improves folding efficiency by retaining proteins in the special folding environment of the endoplasmic reticulum, and it prevents harmful effects that could be caused by the deployment of incompletely folded or assembled proteins.

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Resource Type: Journal article/Issue, Review, Diagram, Illustration
Audience Level: High school upper division 11-12, Undergraduate lower division 13-14, Undergraduate upper division 15-16, Graduate, Continuing education

Author and Copyright


Authors and Editors: Lars Ellgaard of Institute of Biochemistry, Swiss Federal Institute of Technology (ETH), Maurizio Molinari of Institute of Biochemistry, Swiss Federal Institute of Technology (ETH), Ari Helenius of Institute of Biochemistry, Swiss Federal Institute of Technology (ETH)
Publisher: AAAS
Format: text/html
Copyright and other restrictions: Yes
Cost: No

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Collection:
American Association for the Advancement of Science


     
   

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