Plant Physiology 160: 1551-1566 (2012)

Distinct cell wall architectures in seed endosperms in representatives of the Brassicaceae and Solanaceae [W][OA]
Kieran J.D. Lee, Bas J.W. Dekkers, Tina Steinbrecher, Cherie T. Walsh, Tony Bacic, Leonie Bentsink, Gerhard Leubner-Metzger, J. Paul Knox

Centre for Plant Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK (KL, PK)
Wageningen Seed Lab, Laboratory of Plant Physiology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands (BD, LB)
Department of Molecular Plant Physiology, Utrecht University, 3584 CH Utrecht, The Netherlands (BD, LB)
University of Freiburg, Faculty of Biology, Institute for Biology II, Botany/Plant Physiology, D-79104 Freiburg, Germany (TS*, GLM*)
ARC Centre of Excellence in Plant Cell Walls, School of Botany, University of Melbourne, Parkville, Victoria 3010, Australia (BD, LB)
* Current Address: School of Biological Sciences, Royal Holloway, University of London, Bourne Building 3-30, Egham, Surrey, TW20 0EX, UK

Received July 13, 2012; Accepted September 4, 2012; Published September 6, 2012.
DOI:10.1104/pp.112.203661



Table 1. Monosaccharide linkage analysis of neutral sugars in cell walls of Lepidium endosperm and embryo tissues and tobacco endosperm.
Figures are molar percentages and are means of three assessments. f, Furanose; p, pyranose.

Monosaccharide Lepidium Tobacco
Endosperm Embryo Endosperm
Ara
 t-Ara (f) 15.4 14.9 2.5
 1,2-Ara (f) 3.1 0.3 0.2
 1,3-Ara (f) 0.8 0.3 0
 1,5-Ara (f) 18.8 10.6 3.8
 1,3,5-Ara (f) 7.2 16 4.1
 1,2,5-Ara (f) 2.9 0.6 0
 Total 48.3 42.8 10.6
Fuc
 t-Fuc (f) 0.7 1.4 0
 Total 0.7 1.4 0
Xyl
 t-Xyl (p) 4 5.9 0
 1,3-Xyl (p) 0 0.2 0
 1,2-Xyl (p) 1.1 1.5 0
 1,4-Xyl (p) 1.7 1.1 0
 1,2,4-Xyl (p) 1.6 0.2 0
 1,2,3,4-Xyl (p) 2.5 0.5 0
 Total 10.9 9.5 0
Rha
 1,2-Rha (p) 0.4 0.4 0.2
 1,2,4-Rha (p) 0.8 1.2 0
 Total 1.2 1.6 0.2
Man
 t-Man (p) 0.1 0.5 0.3
 1,4-Man (p) 0.7 1.4 60.2
 1,2,4-Man (p) 0 0 0.4
 1,4,6-Man (p) 1.2 1 3.7
 1,3,6-Man (p) 0.7 0.4 0
 1,2,3,6-Man (p) 0 0.2 0
 Total 2.8 3.5 64.6
Glc
 t-Glc (p) 0.3 0.2 0.5
 1,3-Glc (p) 0.1 0.2 0
 1,4-Glc (p) 20.6 23.9 19.2
 1,3,4-Glc (p) 0.2 0.2 0
 1,2,4-Glc (p) 0.4 0.4 0
 1,4,6-Glc (p) 2.9 8.4 0.7
 1,3,4,6-Glc (p) 0.2 0.2 0
 Total 24.7 33.5 20.4
Gal
 t-Gal (p) 3.4 2.3 3.3
 1,3-Gal (p) 2.5 0.7 0
 1,2-Gal (p) 2 2.7 0
 1,6-Gal (p) 0.4 0.3 0
 1,3,6-Gal (p) 3.2 1.7 0.8
Total 11.5 7.7 4.1

 
Article in PDF format (1.5 MB)
Supplementary data file (2 MB)
Abstract
 Fig. 1         Fig. 2         Fig. 3         Fig. 4         Fig. 5         Fig. 6
Fig. 7         Fig. 8         Fig. S1       Fig. S2       Table 1    
  
© American Society of Plant Biologists
http://www.plantphysiol.org/
 

The Seed Biology Place
Copyright © Gerhard Leubner 2000
 Contact: gerhard.leubner@biologie.uni-freiburg.de

Webdesign Gerhard Leubner 2000
Best viewed with browser version 4 and 800x600 pixel
This page was last updated on 3 March, 2013