Peroxisomal matrix protein import. Suppression of protein import defects in Hansenula polymorpha pex mutants by overproduction of the PTS1 receptor Pex5p

Cell Biochemistry and Biophysics
Jan A K W Kiel, M Veenhuis

Abstract

In the past decade, much progress has been made in understanding the mechanisms that govern sorting of proteins to the peroxisomal lumen. This article summarizes the principal features of how peroxisomal matrix enzymes are thought to reach the peroxisome. In addition, it describes recent data that indicate that, in specific pex mutants of the methylotrophic yeast Hansenula polymorpha, defects in matrix protein import can be (partly) rescued by overproduction of the receptor essential for import of these proteins. The implication of these results on the mechanisms of matrix protein import is discussed.

Citations

May 13, 2003·Microscopy Research and Technique·Marten VeenhuisIda J Van Der Klei
Jul 24, 2003·Journal of Cell Science·Jörg H Eckert, Nils Johnsson

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