Published in

Oxford University Press, Plant Physiology, 3(137), p. 835-840, 2005

DOI: 10.1104/pp.105.059352

Links

Tools

Export citation

Search in Google Scholar

Jasmonic Acid Levels Are Reduced in COMATOSE ATP-Binding Cassette Transporter Mutants. Implications for Transport of Jasmonate Precursors into Peroxisomes

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

Full text: Download

Green circle
Preprint: archiving allowed
Orange circle
Postprint: archiving restricted
Red circle
Published version: archiving forbidden
Data provided by SHERPA/RoMEO

Abstract

We provide evidence that the peroxisomal ATP- binding cassette (ABC) transporter COMATOSE (CTS) is involved in the biosynthesis of jasmonic acid (JA) in Arabidopsis (Arabidopsis thaliana) leaves. Basal JA levels were greatly reduced but not completely abol- ished in two cts mutant alleles, and JA production in response to wounding showed slower kinetics and reached a lower level than wild type. We propose the operation of two parallel pathways for peroxisomal import of jasmonate precursors, a route that requires CTS function and a parallel leak pathway involving anion trapping. It is well established that the bioactive, lipid-derived