Abstract Background Green-fleshed radish (Raphanus sativus L. ) is an economically important root vegetable of the Brassicaceae family. and chlorophyll accumulates in its root tissues. It was reported that the basic helix-loop-helix (bHLH) transcription factors play vital roles in the process of chlorophyll metabolism. https://www.roneverhart.com/Whirlwind-Direct-2-Direct-Box-p14308/