ARC Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria, Australia.|Bioinformatics, Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.|School of Mathematics and Statistics, University of Melbourne, Parkville, Victoria, Australia.|School of BioSciences, University of Melbourne, Parkville, Victoria, Australia.|School of BioSciences, University of Melbourne, Parkville, Victoria, Australia.