How light-farming chloroplasts morph into defensive warriors

Scientists have identified the protein that summons the cellular energy factories to battle

3-D visualization chloroplasts fighting microbes

CALL TO ARMS  When attacked by a funguslike microbe (magenta), plants activate a protein that marshals chloroplasts (yellow) as a defensive army. This 3-D visualization of the onslaught also shows chloroplasts’ stromules, armlike extensions that embrace an invader. 

A. Toufexi et al/ 2019

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