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Endophytic Fungal Mutualists : Seed-Borne Stagonospora Spp. Enhance Reed Biomass Production in Axenic Microcosms

Endophytic Fungal Mutualists : Seed-Borne Stagonospora Spp. Enhance Reed Biomass Production in Axenic Microcosms

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Prüfsumme: MD5:e0a603e0987edb868d6d32edc73fadef

ERNST, Michael, Kurt MENDGEN, Stefan G. R. WIRSEL, 2003. Endophytic Fungal Mutualists : Seed-Borne Stagonospora Spp. Enhance Reed Biomass Production in Axenic Microcosms. In: Molecular Plant Microbe Interaction. 16(7), pp. 580-587. ISSN 0894-0282. Available under: doi: 10.1094/MPMI.2003.16.7.580

@article{Ernst2003Endop-7584, title={Endophytic Fungal Mutualists : Seed-Borne Stagonospora Spp. Enhance Reed Biomass Production in Axenic Microcosms}, year={2003}, doi={10.1094/MPMI.2003.16.7.580}, number={7}, volume={16}, issn={0894-0282}, journal={Molecular Plant Microbe Interaction}, pages={580--587}, author={Ernst, Michael and Mendgen, Kurt and Wirsel, Stefan G. R.} }

application/pdf eng Fungal endophytes mainly belong to the phylum Ascomycota and colonize plants without producing symptoms. We report on the isolation of seed-borne fungal endophytes from Phragmites australis (common reed) that were ascribed to the genus Stagonospora. Nested polymerase chain reaction (PCR) assays revealed that a Stagonospora sp. regularly colonized reed as shown for a period of three years. In spring, it was only detected in roots, whereas in autumn, it could frequently be found in all organs, including seeds. Microcosm experiments revealed that seeds harbored viable propagules of the fungus that colonized the developing germling, indicating vertical transmission. Endophytic growth was confirmed by immunofluorescence microscopy, reisolation of the fungus after surface sterilization, and PCR. Aseptic microcosms were established for studying<br />fungal contributions towards host vitality. Several Stagonospora isolates enhanced reed biomass. Seed-borne endophytic Stagonospora spp. thus can provide improved vigor to common reed, which could be most important when seed-derived germlings establish new reed stands. 2003 deposit-license Wirsel, Stefan G. R. Mendgen, Kurt 2011-03-24T17:35:34Z Endophytic Fungal Mutualists : Seed-Borne Stagonospora Spp. Enhance Reed Biomass Production in Axenic Microcosms Ernst, Michael First publ. in: Molecular Plant Microbe Interaction 16 (2003), pp. 580-587 Mendgen, Kurt Wirsel, Stefan G. R. Ernst, Michael 2011-03-24T17:35:34Z

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