... chain base; LCPUFA, long chain polyunsaturated fatty acid; PUFAs, polyunsaturated fatty acids;RACE, rapid amplification of cDNA ends; TAG, triacyglycerol; Tpdes, Thalassiosira pseudonana desaturase.FEBS ... Qing R, Harvey D, Li Y, Larson TR &Graham IA (2005) Identification of a long-chain poly-unsaturated fatty acid acyl-coenzyme A synthetase from the diatom Thalassiosira pseudonana. Plant Physiol ... substrates.AbbreviationsARA, arachidonic acid; DHA, docosahexaenoic acid; EPA, eicosapentaenoic acid; EST, expressed sequence tag; FAME, fatty acid methylester; gDNA, genomic DNA; LCB, long chain...