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The autumnal colour magic of leaf senescence
Genetic engineering to remove a structure from plant cells called the Golgi body sheds light on how leaves change with the seasons, write ROX MIDDLETON, LIAM SHAW and MIRIAM GAUNTLETT
(L to R) The autumn senescence of grape leaves is programmed by the plant; A defoliation spray run by US Air Force in Vietnam in 1960 - programmed by humans

IN JANUARY this year, researchers reported in Nature Plants that they had managed to remove an object called the Golgi body in the cells of a plant.

This archaically named object is one of the strange complex things that fills the insides of plant cells. It is often described as looking like a stack of pancakes — albeit very small, transparent, and inside all the cells of any plant, or for that matter any animal too.

Advances in genetic engineering techniques mean that scientists can now investigate plant biology by immobilising, cutting out or destroying a given gene and watching what happens to plants that grow without it.

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