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Bust methodologies. Arabidopsis seed coat mucilage is a specialized layer of the extracellular matrix composed of cell wall carbohydrates arranged in a distinct structure (for review, see Arsovski et al., 2010; Haughn and Western, 2012; Western, 2012; North et al., 2014, Voiniciuc et al., 2015c) that is used as a model to study cell wall structure and function. It contains cellulose and hemicellul