| Type: | Family | Name: | Plant galacturonosyltransferase GAUT |
| Description: | Galacturonosyltransferase 1 (GAUT1) is an alpha1,4-D-galacturonosyltransferase that transfers galacturonic acid from uridine 5'-diphosphogalacturonic acid onto the pectic polysaccharide homogalacturonan []. The GAUT1-related gene family from Arabidopsis thaliana encodes 15 GAUT and 10 GAUT-like (GATL) proteins []. This entry represent the GAUT proteins. Mutants for GAUT genes indicate that GAUTs are involved in pectin and xylan biosynthesis. GAUTs 6, 8, 9, 10, 11, 12, 13, and 14 mutants result in aberrant wall composition. They show distinct patterns, suggesting that these GAUTs have at least six unique functions in pectin and/or xylan biosynthesis []. GAUT12 (IRX8) is involved in the synthesis of cell wall polysaccharides; mutants in this gene are deficient in homogalacturonan and glucuronoxylan []. Similarly, GAUT8, also known as QUASIMODO1, affects homogalacturonan and xylan biosynthesis [, ]. GAUT11 is involved in the production of seed testa cell wall and mucilage []. | Short Name: | GAUT |
