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Published online 21 September 2000 | Nature | doi:10.1038/news000921-12

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And the walls came tumbling down

Christopher Surridge finds out why a family of plant proteins fascinates doctors, biotechnologists and material scientists alike.

Cells grow. Whether they are a part of an antelope, an azalea or an amoeba, they expand, divide and expand again. This poses few problems for animal cells, but for plant cells encased in a tough, inflexible cell wall, things are not so simple, Daniel J.

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