Injecting molecules from a sea slug that received tail shocks into one that didn’t made the recipient animal behave more cautiously.
Researchers devise new techniques to facilitate growing bacteria collected from the environment.
October 1, 2015|
New devices that physically separate bacterial cells—giving slower-growing species a fighting chance—but still allow the cells to communicate could be key to helping researchers culture previously ungrowable strains.
iCHIP: A multiwell diffusion chamber separates individual bacterial cells in the wells of a 384-well plate. A breathable membrane surrounding the plate allows interaction with the natural environment, such as soil or ocean water, and sensing of the multitudes of molecular factors produced by neighboring bacteria.
© AL GRANBERGMICRODROPLET-MICROCOLONY FORMATION: A device traps individual bacteria inside tiny, permeable gel droplets, which allow interactions among bacteria while keeping them separate. The droplets are bathed in a nutrient-rich media until a microcolony of 40–200 cells forms inside, then sorted and plated for further analysis.
© AL GRANBERG
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