Article
A naturally occurring mutation in an Arabidopsis accession affects a beta-D-galactosidase that increases the hydrophilic potential of rhamnogalacturonan I in seed mucilage.
The Plant cell - 1 Dec 2007
Macquet Audrey, Ralet Marie-Christine, Loudet Olivier, Kronenberger Jocelyne, Mouille Gregory, Marion-Poll Annie, North Helen M
Abstract excerpt
The Arabidopsis thaliana accession Shahdara was identified as a rare naturally occurring mutant that does not liberate seed mucilage on imbibition. The defective locus was found to be allelic to the mum2-1 and mum2-2 mutants. Map-based cloning showed that MUCILAGE-MODIFIED2 (MUM2) encodes the putative beta-D-galactosidase BGAL6. Activity assays demonstrated that one of four major beta-D-galactosidase activities...
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