Glycosidase and glycosyltransferase activity increase in arbuscular mycorrhiza infected legume roots

Stephan Detering, Steffen Dettmann, Heidemarie Thierfelder, Suresh K. Mahna, B. N. Prasad, Abdelaal A Shamseldin, Dietrich Werner

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

With four different cultivars of Glycine max (soybeans) a 3-10 fold increase in specific activity of alpha-mannosidase activity was observed in roots, inoculated with Glomus mosseae compared to the control plants without mycorrhiza development. The increase in α-mannosidase activity after infection with Glomus intraradices was slightly less but still significant. No such effect was found for the beta-D-glucosidase activity. With the model legume Medicago truncatula cultivar Jemalong A17 a more than 3 fold increase in the mRNA levels of two glycosyltransferases compared to the control plants was detected with a macroarray technique. RNA levels of 16 other enzymes involved in membrane and lipid metabolism, such as choline kinase, glycerol-3-phosphate dehydrogenase, phospholipase D and galactosyltransferase were not significantly increased.

Original languageEnglish (US)
Pages (from-to)157-162
Number of pages6
JournalSymbiosis
Volume40
Issue number3
StatePublished - Dec 1 2005

Keywords

  • Arbuscular mycorrhiza
  • Glycine max
  • Glycosidases
  • Glycosyltransferases
  • Medicago truncatula

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