Figure 3From: Characterisation of the paralytic shellfish toxin biosynthesis gene clusters in Anabaena circinalis AWQC131C and Aphanizomenon sp. NH-5Proposed saxitoxin biosynthetic pathway. Dotted lines indicate additional but not essential tailoring reactions, dotted box indicates reaction only present in Aph. sp. NH-5. See text for detail. Adopted and modified from [29].Back to article page