Biologists Find Stem Cell-Like Functions in Other Types of Plant Cells


Ordinary cells have the ability to replace lost organs in plants-a function previously thought to be limited to stem cells-researchers at NYU s Center for Genomics and Systems Biology and Utrecht University in the Netherlands have found. The findings, which suggest that some roles of stem cells in organ regeneration may be shared by other types of cells, are published in the latest issue of the journal Nature.

Arabidopsis thaliana: Left, Vegetative stage, before flowering and growth of the floral stalk. Center: An adult plant at full flowering/seed set. Right: Flower, floral stem and seeds. White bars=1 cm, except for single flower/seeds=1 mm. ©INRA 2003
Arabidopsis thaliana: Left, Vegetative stage, before flowering and growth of the floral stalk. Center: An adult plant at full flowering/seed set. Right: Flower, floral stem and seeds. White bars=1 cm, except for single flower/seeds=1 mm. ©INRA 2003

Results Suggest Plants Can Regenerate Without Stem Cells

Ordinary cells have the ability to replace lost organs in plants-a function previously thought to be limited to stem cells-researchers at New York University’s Center for Genomics and Systems Biology and Utrecht University in the Netherlands have found. The findings, which suggest that some roles of stem cells in organ regeneration may be shared by other types of cells, are published in the latest issue of the journal Nature.

Stem cells have two known fundamental properties: they can renew themselves and they can give rise to specialized cells. These traits make them the engines for regeneration, creating new ce 500

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