A new way to make bacteria glow could simplify TB screening
The stain could also speed up tuberculosis drug-resistance tests
![tuberculosis bacteria](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/02/022718_MT_tuberculosis_main.jpg?fit=860%2C460&ssl=1)
MARKING MICROBES When tuberculosis bacteria, seen in this scanning electron micrograph, gobble up a new synthetic molecule, they glow under a microscope — making them easy to spot in tests.
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