Phospholipase A(2) activity triggers the wound-activated chemical defense in the diatom Thalassiosira rotula From: Plant Physiology | Date: May 1, 2002| Author: Pohnert, Georg | Copyright American Society of Plant Physiologists May 2002. Provided by ProQuest LLC.Copyright information

The activation of oxylipin-based chemical defense in the diatom Thalassiosira rotula is initiated by phospholipases that act immediately after cell damage. This lipase activity is responsible for the preferential release of free mono- and polyunsaturated fatty acids. Among these, eicosatetraenoic- and eicosapentaenoic acid are further converted by lipoxygenases to reactive defensive metabolites such as the antiproliferative alpha,beta,gamma,delta-unsaturated aldehydes 2,4-decadienal and 2,4,7...

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