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When is a peroxisome not a peroxisome?

journal contribution
posted on 2023-05-18, 11:19 authored by Pracharoenwattana, I, Steven SmithSteven Smith
It is time to drop the glyoxysome name. Recent functional genomics analysis together with cell biology studies emphasize the unifying features of peroxisomes rather than their differences. Plant peroxisomes contain 300 or more proteins, the functions of which are dominated by activities related to fatty acid oxidation (>70 enzymes). By comparison, relatively few proteins are committed to metabolism of reactive oxygen species (∼20) and to photorespiration (∼10). Analysis of triglyceride metabolism in Arabidopsis seedlings now indicates that only two enzymes (isocitrate lyase and malate synthase) potentially distinguish glyoxysomes from other peroxisomes. Future research is best served by focusing on the common features of peroxisomes to establish how these dynamic organelles contribute to energy metabolism, development and responses to environmental challenges.

History

Publication title

Trends in Plant Science

Volume

13

Issue

10

Pagination

522-525

ISSN

1360-1385

Department/School

School of Natural Sciences

Publisher

Elsevier Science London

Place of publication

84 Theobalds Rd, London, England, Wc1X 8Rr

Rights statement

Copyright 2008 Elsevier

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the biological sciences

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