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. 2008 Jul-Sep;1(1):62–65. doi: 10.4161/cib.1.1.6106

Figure 2.

Figure 2

Biosynthetic pathways for ABA production in higher plants and fungi. This is an abbreviated scheme showing only the major steps in the pathways. For further details consult.24,25,28 DOXP, deoxy-D-xylulose-5-phosphate; FPS, farnesyl diposphate synthase; GGPS, geranylgeranyl diphosphate synthase; PSY, phytoene synthase; PDS, phytoene desaturase; ZEP, zeaxanthin epoxidase; NSY, neoxanthin synthase; NCED, 9-cis-epoxycarotenoid dioxygenase; ABA, abscisic acid.