Dr. Beatty has a new review out in Current Opinion in Chemical Biology: "Fluorescent Probes for Investigating Peptidoglycan Biosynthesis in Mycobacteria".  You can find this paper here:

https://authors.elsevier.com/a/1bCqb4sz6M8VsE

https://www.sciencedirect.com/science/article/pii/S1367593120300430?via%3Dihub

This review is part of a themed issue on Molecular Imaging, edited by Amy Palmer and Dan Yang.