Mycorrhiza helper bacteriumStreptomycesAcH 505 induces differential gene expression in the ectomycorrhizal fungusAmanita muscaria

• DOI: 10.1111/j.1469-8137.2005.01518.x
• Publication Date: 2005-09-08T10:01:53Z
• Authors: Silvia D. Schrey; Michael Schellhammer; Margret Ecke; Rüdiger Hampp; Mika T. Tarkka
• Keywords: Ectomycorrhiza

• The interaction between the mycorrhiza helper bacteria Streptomyces nov. sp. 505 (AcH 505) and annulatus 1003 1003) with fly agaric (Amanita muscaria) spruce (Picea abies) was investigated. effects of both on mycelial growth different ectomycorrhizal fungi, ectomycorrhiza formation, fungal gene expression in dual culture AcH were determined. fungus specificities streptomycetes similar. Both bacterial species showed strongest effect mycelia at 9 wk culture. A. muscaria examined using suppressive subtractive hybridization approach. responsive genes included those involved signalling pathways, metabolism, cell structure, response. These results suggest that enhance formation mainly as a result promotion growth, leading to changes expression. Differential transcript accumulation may from direct response substances.