Figure 3 From: The pathology of embryo death caused by the male-killing Spiroplasma bacterium in Drosophila nebulosa TUNEL staining of Spiroplasma infected male embryo (A) and female embryo (B), both at stage 10, 5–7 h AEL. Red fluorescence indicates apoptotic nuclei; whilst the female embryo shows the characteristic pattern of apoptotic nuclei restricted to the cephalic furrow, apoptotic nuclei are observed throughout the male.Back to article page