9 Carbon and Energy Metabolism

Annual Plant Reviews book series, Volume 36: The Moss Physcomitrella Patens
Mattias Thelander

Mattias Thelander

Swedish University of Agricultural Sciences, Department of Plant Biology and Forest Genetics, Uppsala, SE-75007 Sweden

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Anders Nilsson

Anders Nilsson

Uppsala University, Department of Medical Biochemistry and Microbiology, Uppsala, SE-75123 Sweden

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Hans Ronne

Hans Ronne

Uppsala University, Department of Medical Biochemistry and Microbiology, Uppsala, SE-75123 Sweden

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First published: 24 April 2018
This article was originally published in 2009 in The Moss Physcomitrella Patens, Volume 36 (ISBN 9781405181891) of the Annual Plant Reviews book series, this volume edited by Celia D. Knight, Pierre-François Perroud and David J. Cove. The article was republished in Annual Plant Reviews online in April 2018.

Abstract

As in all organisms, the primary carbon metabolism in Physcomitrella patens provides the cells with free energy and building blocks for the biosynthesis of macromolecules. In particular, carbohydrates play a major role in growth and development in mosses as in other plants, since they are used for storage and allocation of carbon and energy. Reverse genetics in P. patens has recently made it possible to address some key questions concerning the carbon and energy metabolism in plants. These questions include: How is the cellular energy status sensed in order to balance anabolism versus catabolism? How does carbon and energy allocation between cells and tissues work? How is whole-plant energy homeostasis maintained? What is the role of sugars in regulating growth and development? And, finally, how similar or different are these processes in bryophytes and vascular plants? The recent release of the complete P. patens genome sequence has now made it possible to address the last question using a comparative genomics approach.

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