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Updated: Aug 7, 2026

Efficient Polyethylene Glycol (PEG) Mediated Transformation of the Moss Physcomitrella patens
Published on: April 19, 2011
Moss systems biology en route: phytohormones in Physcomitrella development
E L Decker1, W Frank, E Sarnighausen
1Faculty of Biology, Plant Biotechnology, University of Freiburg, Schänzlestrasse 1, 79104 Freiburg, Germany.
Abstract:
The moss Physcomitrella patens has become a powerful model system in modern plant biology. Highly standardized cell culture techniques, as well as the necessary tools for computational biology, functional genomics and proteomics have been established. Large EST collections are available and the complete moss genome will be released soon. A simple body plan and the small number of different cell types in Physcomitrella facilitate the study of developmental processes. In the filamentous juvenile moss tissue, developmental decisions rely on the differentiation of single cells. Developmental steps are controlled by distinct phytohormones and integration of environmental signals. Especially the phytohormones auxin, cytokinin, and abscisic acid have distinct effects on early moss development. In this article, we review current knowledge about phytohormone influences on early moss development in an attempt to fully unravel the complex regulatory signal transduction networks underlying the developmental decisions of single plant cells in a holistic systems biology approach.
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