Table I. Monosaccharide composition of total mucilage extracts

Relative monosaccharide composition (mol %) and total mucilage content (micrograms of sugar per milligram of seed). Values represent the mean ± sd of four (wild type and irx14-2) or three (other genotypes) biological replicates.

SugarWild Typemuci21-1muci21-2irx14-1irx14-2
Rha41.39 ± 1.7245.18 ± 0.2744.07 ± 0.1538.96 ± 0.4943.51 ± 1.59
Ara1.23 ± 0.201.08 ± 0.031.07 ± 0.161.24 ± 0.061.14 ± 0.10
Gal3.50 ± 0.322.50 ± 0.162.89 ± 0.133.30 ± 0.343.24 ± 0.51
Glc0.72 ± 0.040.59 ± 0.040.69 ± 0.010.70 ± 0.030.73 ± 0.12
Xyl3.48 ± 0.131.30 ± 0.02a1.43 ± 0.12a0.40 ± 0.02a0.42 ± 0.08a
Man0.58 ± 0.020.50 ± 0.020.61 ± 0.010.65 ± 0.020.63 ± 0.07
GalA49.09 ± 1.1648.85 ± 0.2849.24 ± 0.1654.75 ± 0.6150.34 ± 2.21
Total33.44 ± 2.2937.63 ± 2.4936.38 ± 2.9631.34 ± 2.3432.67 ± 4.13
  • a Significant difference (Student’s t test, P < 10–5) from the wild type.