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Plant J. 1997 Dec;12(6):1439-45.

Localization of 14-3-3 proteins in the nuclei of arabidopsis and maize.

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  • 1Horticultural Sciences Department, University of Florida, Gainesville 32611, USA.


It has been demonstrated that 14-3-3 proteins are present in the nuclei of Arabidopsis thaliana and Zea mays cells using laser scanning confocal microscopy and immunocytochemistry with monoclonal antibodies against plant 14-3-3 proteins. Confirmation of nuclear localization provides insight into the range of functions normally attributed to 14-3-3 proteins, especially since the association of 14-3-3s with transcription factors is (thus far) a phenomenon unique to plants, and since 14-3-3 proteins do not possess a recognizable nuclear targeting sequence.

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