Mutant Name: qua1
| Gene Name | QUA1 |
| Protein Name | glycosyltransferase |
| Mutagen | T-DNA |
| Category | forward genetics |
| Organism | Arabidopsis thaliana |
| Ecotype | Ws |
| Donor | |
| General Description | The mutant has a dwarf phenotype,reduced cell adhesion, and the galacturonic acid content reduced to 25% of the wide type. |
| Organ Specificity | Reduced cell adhesion was observed in several different organs(roots,hypocotyls,leaves). |
| Impact on Wall | Mutant cell walls showed a 25% reduction in galacturonic acid levels compared with the wild type, indicating reduced pectin content, whereas neutral sugars remained unchanged. |
| Impact on Sugar Composition | 25% less GalA, rhamnose levels remain unchanged. Neutral sugars remained unchanged. |
| Reference |
1.Bouton S, Leboeuf E, Mouille G, Leydecker MT, Talbotec J, Granier F, Lahaye M, Hofte H, Truong HN. (2002) QUASIMODO1 encodes a putative membrane-bound glycosyltransferase required for normal pectin synthesis and cell adhesion in Arabidopsis.Plant Cell. Oct;14(10):2577-90. 2. Orfila C, Sorensen SO, Harholt J, Geshi N, Crombie H, Truong HN, Reid JS, Knox JP, Scheller HV. QUASIMODO1 is expressed in vascular tissue of Arabidopsis thaliana inflorescence stems, and affects homogalacturonan and xylan biosynthesis. Planta. 2005 Jul 30;:1-10 3. Leboeuf E, Guillon F, Thoiron S, Lahaye M. Biochemical and immunohistochemical analysis of pectic polysaccharides in the cell walls of Arabidopsis mutant QUASIMODO 1 suspension-cultured cells: implications for cell adhesion. J Exp Bot. 2005 Nov 1; [Epub ahead of print] |