Body & Brain

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Pseudomonas aeruginosa

STICKY BUSINESS  Pseudomonas aeruginosa (light green cells) biofilms are communities of bacteria encased in a coating primarily of sugar polymers (dark green). Enzymes that the bacteria use to build the coating can also chew it up, a new study suggests.  

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stem cell

THREE-PARENT PITFALL  A therapy to replace defective batteries, called mitochondria, in cells could fail if some of the undesirables multiply and displace healthy mitochondria. 

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