Alan Prescott has been award 3rd Prize in the British Society of Cell Biology (BSCB) Image Competition 2017. His confocal image is of a transverse section of the rectus muscle of the eye taken from the mito-QC mouse (McWilliams et al., (2016) JCB, 214(3)). Mitochondria express eGFP and mCherry but in lysosomes the eGFP, green fluorescence is quenched. Bright red dots are mitolysosomes. Nuclei are DAPI blue.