Enlarge / An example of an experiment where bacteria (green) and cancer cells (red) are co-cultured. (credit: Leore Geller)
Of all the kinds of bacteria, some are charming and beneficial, others are malicious and dangerous—and then there are the ones that are just plain turds.
That’s the case for Mycoplasma hyorhinis and its ilk.
Researchers caught the little jerks hiding out among cancer cells, gobbling up chemotherapy drugs intended to demolish their tumorous digs.

The findings, reported this week in Science, explain how some otherwise treatable cancers can thwart powerful therapies.
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