Fig. 4From: The Phytoene synthase gene family of apple (Malus x domestica) and its role in controlling fruit carotenoid contentTransient expression of apple PSY-YFP fusion constructs in etiolated maize leaf protoplasts. PSY1 and PSY2 were localized throughout the plastids based on the fluorescent distribution pattern. PSY4 localized to speckles, suggesting localization to plastoglobuli [18]. CHL, chlorophyll autofluorescence; Bars = 10 μmBack to article page