Plants grow tiny wreath-shaped channels to control how their cells die
Plants utilize sophisticated protein architecture to build hexagonal channels that pierce their own cell membranes, allowing them to leak signals and trigger controlled cell death for the greater good of the organism.
Using high-resolution microscopy, researchers at the University of Michigan discovered that plants like Arabidopsis grow tiny, wreath-shaped channels to manage their immune responses. These rings are formed by proteins that bind together to create six precise channels through the cell membrane. By leaking specific signals, these structures allow for targeted inflammation and controlled cell death, which prevents the spread of disease without causing chaotic tissue damage.
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