Table 1.

Sugar Composition of Stems of the Wild Type and the fra2 Mutant (mg/g)

SampleRhamnoseArabinoseXyloseMannoseGalactoseGlucoseFucoseCellulose
Wild typea5.0 ± 0.7 (100%)17.2 ± 1.6 (100%)149.7 ± 15.6 (100%)14.6 ± 1.2 (100%)12.8 ± 0.7 (100%)186.7 ± 9.7 (100%)1.7 ± 0.5 (100%)230 ± 7 (100%)
fra2 b 3.9 ± 0.5 (78%)11.5 ± 2.1 (68%)105.5 ± 15.5 (70%)13.9 ± 1.9 (90%)13.0 ± 1.2 (102%)141.7 ± 4.7 (76%)1.8 ± 0.2 (106%)184 ± 5 (80%)
  • a Data in parentheses are the sugar contents in the wild type taken as 100.

  • b Data in parentheses are the sugar contents in fra2 expressed as a percentage of that in the wild type.