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Plant Physiol. 1991 Jul;96(3):985-9.

Systemic Endopolyploidy in Arabidopsis thaliana.

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  • 1Department of Plant Sciences, University of Arizona, Tucson, Arizona 85721.


Microfluorometric analysis of the nuclear DNA contents of the somatic tissues of Arabidopsis thaliana has revealed extensive endoreduplication, resulting in tissues that comprise mixtures of polyploid cells. Endoreduplication was found in all tissues except those of the inflorescences and was developmentally regulated according to the age of the tissues and their position within the plant.

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