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Table 1 Cell wall composition of cotton stem xylem, stem pith, and seed fibres

From: Tissue and cell-specific transcriptomes in cotton reveal the subtleties of gene regulation underlying the diversity of plant secondary cell walls

  XYLM PITH SF07 SF15 SF25
Homogalacturonan 1.0 ± 0.1 4.0 ± 0.6 19.7 ± 5.0 13.7 ± 0.5 0.7 ± 0.4
Rhamnogalacturonan 0.6 ± 0.1 0.9 ± 0.02 4.3 ± 1.3 4.8 ± 0.2 0.4 ± 0.1
Arabinan 0.5 ± 0.2 0.7 ± 0.1 15.1 ± 1.8 8.6 ± 0.1 0.2 ± 0.1
Type I AG 0.3 ± 0.02 0.5 ± 0.1 2.9 ± 0.3 2.9 ± 0.1 0.1 ± 0.02
Type II AG 0.6 ± 0.1 0.4 ± 0.1 8.2 ± 0.2 8.2 ± 0.01 0.9 ± 0.01
Heteroxylan 27.6 ± 4.3 19.8 ± 7.1 2.9 ± 1.1 1.7 ± 0.1 0.6 ± 0.1
Callose 0.1 ± 0.001 0.1 ± 0.05 2.1 ± 0.5 12.2 ± 0.9 8.7 ± 2.5
Heteromannan 3.4 ± 0.5 2.8 ± 0.1 5.6 ± 0.3 5.6 ± 0.4 1.4 ± 0.02
Xyloglucan 4.8 ± 0.6 4.1 ± 0.7 9.5 ± 1.4 10.6 ± 0.7 1.4 ± 0.5
Cellulose 61.0 ± 5.9 66.7 ± 7.3 23.4 ± 0.1 29.2 ± 0.5 85.6 ± 3.4
Others tr tr 6.4 ± 0.2 2.6 ± 0.5 tr
4-GalA DE 42.5 ± 3.5 51.0 ± 5.7 49.0 ± 5.7 42.5 ± 3.5 20.0 ± 0.00
  1. Polysaccharide composition of cell walls deduced from linkage analysis of cotton stem xylem (XYLM), stem pith (PITH), and 7, 15, and 25 DPA seed fibre (SF07, SF15, SF25) in mol%. Mean values ± SD are shown (n = 2). AG, arabinogalactan; 1,4-GalA DE, (1,4)-linked galacturonic acid degree of esterification, tr, <0.05 mol%