A hitchhiker’s guide to the microverse
As is often the way with intriguing findings, Dr Yu and Dr Zhu made this discovery by chance. They were studying microbe communities in treatment plants for waste water, and noticed that phages in these miniature ecosystems sometimes attached themselves to species of bacteria equipped with flagella. These are rotating, helical appendages which act as propellers, so flagellate bacteria are more mobile than those lacking such equipment.
To some of these lawns they added a suspension of phages; to others, a suspension of a flagella-bearing bacterium calledPhages alone inflicted little damage to the lawns. Neither didalone. In combination, however, they were able to tear holes in the lawns, and both the viruses and the bacterial interlopers consequentially prospered at the expense of the original.
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