"Proline Biosynthesis Is Required for Endoplasmic Reticulum Stress Tol" by Xinwen Liang, M. B. Dickman et al.

Biochemistry, Department of

 

Document Type

Article

Date of this Version

2014

Citation

THE JOURNAL OF BIOLOGICAL CHEMISTRY VOL. 289, NO. 40, pp. 27794–27806, October 3, 2014

Comments

© 2014 by The American Society for Biochemistry and Molecular Biology, Inc.

Abstract

Background: Proline is an important amino acid for stress resistance in different organisms.

Results: Depletion of proline biosynthesis disrupts redox homeostasis and increases sensitivity to endoplasmic reticulum (ER) stress in yeast.

Conclusion: Proline biosynthesis is critical for maintaining the intracellular redox environment and the UPR during ER stress.

Significance: Proline metabolism is shown to have an important role in ER stress tolerance that was previously unknown.

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