MaizeCyc has been updated to version 2.0.2 New pathways: alpha-carotene biosynthesis [PWYBWI-0] delta-carotene biosynthesis [PWY-5946] epsilon-carotene biosynthesis [PWYBWI-4118] lutein biosynthesis [PWY-5947] carotenoid biosynthesis (from lycopene to carotene and xanthophyll)[PWYBWI-7081] Literature references: Many from the Wurtzel Laboratory, including Wurtzel et al (2012); Bai et al (2009); etc. Flavonoid and flavolol biosynthesis pathway leading to anthocyanin biosynthesis and accumulation [PWYBWI-410] Literature references: Sharma et al (2011), and The Maize Anthocyanin Pathway, a specialized Plant Biochemistry course at Penn State University. Due to these edits a number of reactions and gene annotations were also added or updated.