Phages are everywhere but almost none of them can be easily studied. We can scoop up their DNA (and sometimes RNA), sequence it, and try to put the pieces of their biology together. But often we cannot figure out which bacteria they would infect unless we bring them into the lab, coddle their host into culture, and then experimentally mix the two. Now it is becoming feasible to isolate single bacterial cells to see which phage is lurking within, according to a new publication by Labonte et al...
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