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Improving biomass production in trees – Stimulation of cambial activity |
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This project focuses on the growth control of the vascular cambium, which is the meristematic region of the tree stem determining how much wood is produced, and investigate whether the same regulatory loops that control shoot apical meristem identity and activity are also operating in the vascular cambium. We have already found that an aspen tree gene, PttWOX4, which is similar to a gene that is necessary for shoot apical meristem identity is also necessary for the identity and activity of the vascular cambium. We have also found several other Populus genes, that together with this gene seems to be involved in a regulatory loop controlling the activity of the vascular cambium. We will characterize RNAi lines and overexpression lines of these genes in transgenic hybrid aspen and Arabidopsis, and determine how these genes affect biomass production and other properties of wood such as the saccharification potential.
Supervisor: Ove Nilsson (
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