𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Wheat germ agglutinin in wheat seedling roots: induction by elicitors and fungi

✍ Scribed by Bruno P. A. Cammue; Willem F. Broekaert; Willy J. Peumans

Book ID
104674951
Publisher
Springer
Year
1990
Tongue
English
Weight
392 KB
Volume
9
Category
Article
ISSN
0721-7714

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✦ Synopsis

Treatment of wheat (Triticum aestivum L.) seedlings with elicitors originating from either plant or fungal cell walls induces about a 2-fold increase of wheat germ agglutinin (WGA) in the roots. While the WGA content in roots of healthy plants normally decreases as a function of germination time, a transient accumulation of WGA could be observed in plants challenged with different fungi, including Rhizoctonia solani, Fusarium culmorum, Pythium ultimum and Neurospora crassa. Peak levels in challenged roots were 2 to 5 times as high as in control plants. Most of this induced WGA could be released from the roots by soaking them in a solution of the hapten N-acetylglucosamine. On the basis of the results obtained it is postulated that WGA may be involved in the defence of wheat against fungal attack.

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