Table II.

Monosaccharide composition and linkage analysis of RG I isolated from inflorescence stems from wild type (qrt) and arad1-1

Data are expressed as mol%.

qrtarad1-1
Monosaccharide composition
    Fuc0.40.8
    Rha1519
    Ara3712
    Gal2736
    Xyl0.71.6
    GalUA2031
    Total100100
Linkage analysis
    2-Rha1016
    2,4-Rha8.114
    t-Xyl0.60.5
    t-Gal7.112
    4-Gal1820
    3-Gal3.23.7
    6-Gal2.93.4
    3,6-Gal4.15.3
    t-Araf1.60.9
    5-Araf257.3
    2,5-Araf6.02.0
    2,3,5-Araf4.81.4
    4,6-Hexpa1.72.8
    Total93.088.8
  • a The mass spectrometry fragmentation pattern indicated that this sugar is a hexose, but its identity could not be established.