Proteomics paper retracted for plagiarized figure of mysterious origin

The journal Proteomics has retracted a paper for a plagiarized figure — but how the authors came to possess the image in the first place remains a mystery. Here’s the notice: The following article from Proteomics, “A proteomic approach for investigation of photosynthetic apparatus in plants” by C. Ciambella, P. Roepstorff, E.M. Aro and L. [...]