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Fig. 3 | BMC Ecology and Evolution

Fig. 3

From: Genetic basis of orange spot formation in the guppy (Poecilia reticulata)

Fig. 3

A schematic model of orange spot formation. Cryptic xanthophores differentiate from NCCs and cover the whole body until male-specific coloration begins to develop. In orange skin, cryptic xanthophores that respond to Csf1 and TH signaling differentiate into pigmented xanthophores, increase carotenoid retention, and form orange spots. In dull skin, cryptic xanthophores do not perceive signals inducing secondary differentiation, thus orange spots are not formed

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