Fig. 2From: Impact of ZBTB7A hypomethylation and expression patterns on treatment response to hydroxyureaBFU-E colonies derived from CFU assay. a Plate with BFU-E colonies, at day 16 (end of culture period), naturally colored red due to hemoglobin synthesis. b Two representative BFU-E colonies, observed under the inverted microscope (× 100)Back to article page