Scientists have long known that bacteria come in many shapes and sizes, but understanding what those differences mean has remained a major challenge, especially for species that can't be grown in the ...

Macrophages infected with Mycobacterium tuberculosis were fixed and imaged at four hours and 72 h postinfection. (Scale bar, 4 μm.) LAM labeling with oxaziridines persists for up to 72 h. Images are ...