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Fig. 1 | BMC Genomics

Fig. 1

From: Exploring the differential mechanisms of carotenoid biosynthesis in the yellow peel and red flesh of papaya

Fig. 1

Papaya coloration during papaya fruit ripening. a, The color of peel and flesh at the following stages of papaya fruit development: GS, Green stage (the peel is dark green and the flesh is white); CB, Color break stage (most of the peel are still green, but there are two yellow stripes appear on the top of fruit, as well as the flesh are red); HY, Half yellow stage (the color of peel is half green and half yellow); FY, Full yellow stage (the color of peel is full yellow). b, The chromoplasts and flesh cells in FY stage; the red arrow in the legend indicates the red elongated contours crystals. c, The chromoplasts and peel cells in FY stage; the red arrow in the legend indicates the yellow round-shaped elements. Small pieces of flesh and peel of FY stage papaya were cut with a sharp razor blade to very thin sections, and the thin sections were used to observe chromoplast with an Olympus IX51 (Tokyo, Japan)

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