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Int Rev Cytol. 1999;186:147-78.

Pattern formation and cell differentiation: trichomes in Arabidopsis as a genetic model system.

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  • 1Lehrstuhl für Entwicklungsgenetik, Universität Tübingen, Germany.


Arabidopsis trichomes are single-celled hairs that originate from epidermal cells and are distributed regularly on most aerial body parts. During the last decade, trichome formation in Arabidopsis has been established as a genetic and molecular model system to study various general developmental and cellular mechanisms. This review summarizes progress in the investigation of several aspects of trichome development: the spatial regulation of cell fate determination, the regulation of cell differentiation in response to exogenous signals and plant hormones, and the regulation of endoreplication, cell growth, and cell morphogenesis.

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