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Table of Contents

The Plant Cell Online: 22 (2)
Feb 2010

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FATTY ACIDS AND POLAR AUXIN TRANSPORT
Very long chain fatty acids (VLCFAs) are essential for many aspects of plant development. Roudier et al. (pages 364–375) show that the immunophilin PASTICCINO1 (PAS1) is required for VLCFA synthesis in the endoplasmic reticulum. Impairment of PAS1 function results in defective lateral root formation associated with local alteration of polar auxin distribution. VLCFA reduction causes mistargeting of the auxin efflux carrier PIN FORMED 1 (PIN1) but not the auxin influx carrier AUX1. The cover displays the expression of pAUX1:AUX1-YFP in an Arabidopsis wildtype background during lateral root outgrowth (green) from the primary root (red). This work shows that VLCFAs are essential for polar auxin transport and tissue patterning during plant development.

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The Plant Cell Online: 22 (2)
The Plant Cell
Vol. 22, Issue 2
Feb 2010
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