Photo-ANA (IMAGE) The University of Hong Kong Caption The figure shows the profiling of host-pathogen interactions. Photo-ANA is an unnatural amino acid containing an alkyne group and a diazirine group. After labelling bacterial during infection, photo-ANA enable the capture and purify of the targeted host proteins to unravel infection mechanisms. Image modified from original illustration of Li et al, 2023 Nature Chemical Biology (doi: 10.1038/s41589-022-01245-7). Credit The University of Hong Kong Usage Restrictions N/A License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.