1. Division of Glycoscience, School of Biotechnology, Royal Institute of Technology (KTH), AlbaNova University Centre, 10691 Stockholm, Sweden;
2. Department of Ecology, Environment and Plant Sciences, Stockholm University, 10691 Stockholm, Sweden;
3. Wallenberg Wood Science Centre, Division of Glycoscience, School of Biotechnology, Royal Institute of Technology (KTH), AlbaNova University Centre, 106 91 Stockholm, Sweden; and
4. ARC Centre of Excellence in Plant Cell Walls and School of Agriculture, Food and Wine, The University of Adelaide, Waite Campus, Urrbrae, SA 5064 Australia