Mycorrhiza helper bacterium Streptomyces AcH 505 induces differential gene expression in the ectomycorrhizal fungus Amanita muscaria

The interaction between the mycorrhiza helper bacteria Streptomyces nov. sp. 505 (AcH 505) and Streptomyces annulatus 1003 (AcH 1003) with fly agaric (Amanita muscaria) and spruce (Picea abies) was investigated. The effects of both bacteria on the mycelial growth of different ectomycorrhizal fungi,...

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Veröffentlicht in:The New phytologist. - 1979. - 168(2005), 1 vom: 01. Okt., Seite 205-16
1. Verfasser: Schrey, Silvia D (VerfasserIn)
Weitere Verfasser: Schellhammer, Michael, Ecke, Margret, Hampp, Rüdiger, Tarkka, Mika T
Format: Aufsatz
Sprache:English
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Fungal Proteins
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245 1 0 |a Mycorrhiza helper bacterium Streptomyces AcH 505 induces differential gene expression in the ectomycorrhizal fungus Amanita muscaria 
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500 |a CommentIn: New Phytol. 2005 Oct;168(1):4-8. - PMID 16159316 
500 |a Citation Status MEDLINE 
520 |a The interaction between the mycorrhiza helper bacteria Streptomyces nov. sp. 505 (AcH 505) and Streptomyces annulatus 1003 (AcH 1003) with fly agaric (Amanita muscaria) and spruce (Picea abies) was investigated. The effects of both bacteria on the mycelial growth of different ectomycorrhizal fungi, on ectomycorrhiza formation, and on fungal gene expression in dual culture with AcH 505 were determined. The fungus specificities of the streptomycetes were similar. Both bacterial species showed the strongest effect on the growth of mycelia at 9 wk of dual culture. The effect of AcH 505 on gene expression of A. muscaria was examined using the suppressive subtractive hybridization approach. The responsive fungal genes included those involved in signalling pathways, metabolism, cell structure, and the cell growth response. These results suggest that AcH 505 and AcH 1003 enhance mycorrhiza formation mainly as a result of promotion of fungal growth, leading to changes in fungal gene expression. Differential A. muscaria transcript accumulation in dual culture may result from a direct response to bacterial substances 
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700 1 |a Ecke, Margret  |e verfasserin  |4 aut 
700 1 |a Hampp, Rüdiger  |e verfasserin  |4 aut 
700 1 |a Tarkka, Mika T  |e verfasserin  |4 aut 
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