Super-spotter test: advanced level

Elisabeth Bik identified eight duplicated areas (with slight contrast changes) in these western blot images from separate experiments in four figures in a paper. We have brought the figures together and simplified the labels.

Think you can spot them? Use the slider beneath to reveal the answers.

Scientific image containing duplicated regions. — The image that Elisabeth Bik was asked to review.

Scientific image with duplicated regions outlined. — The coloured squares show the duplicated regions that Elisabeth Bik uncovered.

Source: Y. Tan et al. PLoS ONE 9, e102195 (2014); retraction 14, e0220600 (2019).