Xyloglucan endotransglucosylase action is high in the root elongation zone and in the trichoblasts of all vascular plants from Selaginella to Zea mays

The endotransglucosylase action of the enzyme xyloglucan endotransglucosylase/hydrolase (XTH) was localized in the roots of diverse vascular plants: club‐mosses (lycopodiophytes), ferns, gymnosperms, monocots, and dicots. High action was always found in the epidermis cell wall of the elongation zone...

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Bibliographic Details
Published in:Journal of experimental botany 2003-01, Vol.54 (381), p.335-344
Main Authors: Vissenberg, K., Van Sandt, V., Fry, S. C., Verbelen, J‐P.
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Biological and medical sciences
Cell growth
Cell walls
Cycadopsida - enzymology
Economic plant physiology
Enzymes
Epidermal cells
Epidermis
Ferns
Fluorescence
Fundamental and applied biological sciences. Psychology
Glycosyltransferases - metabolism
Key words: Club‐mosses
Magnoliopsida - enzymology
Metabolism
Nutrition. Photosynthesis. Respiration. Metabolism
Plant Cells
Plant physiology and development
Plant roots
Plant Roots - enzymology
Plants
Plants - enzymology
Research Papers: Regulation of Growth, Development and Whole Organism Physiology
Root development
Root hairs
roots
seed plants
Selaginellaceae - cytology
Selaginellaceae - enzymology
Vascular plants
xyloglucan endotransglucosylase/hydrolase (XTH)
Zea mays - cytology
Zea mays - enzymology
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Summary:The endotransglucosylase action of the enzyme xyloglucan endotransglucosylase/hydrolase (XTH) was localized in the roots of diverse vascular plants: club‐mosses (lycopodiophytes), ferns, gymnosperms, monocots, and dicots. High action was always found in the epidermis cell wall of the elongation zone and in trichoblasts in the differentiation zone. Clearly XTH and its action in root development evolved before the evolutionary divergence of ferns and seed plants and also of the lycopodiophytes and euphyllophytes.
ISSN:0022-0957
1460-2431
DOI:10.1093/jxb/erg024