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A mutation in an Arabidopsis ribose 5-phosphate isomerase reduces cellulose synthesis and is rescued by exogenous uridine

Howles, Paul; Birch, Rosemary; Collings, David; Gebbie, L; Hurley, Ursula; Hocart, Charles; Arioli, Tony; Williamson, Richard


The Arabidopsis radial swelling mutant rsw10 showed ballooning of root trichoblasts, a lower than wild-type level of cellulose and altered levels of some monosaccharides in non-cellulosic polysaccharides. Map-based cloning showed that the mutated gene (At1g71100) encodes a ribose 5-phosphate isomerase (RPI) and that the rsw10 mutation replaces a conserved glutamic acid residue with lysine. Although RPI is intimately involved with many biochemical pathways, media supplementation experiments...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: The Plant Journal
DOI: 10.1111/j.1365-313X.2006.02902.x


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