Schützendübel, Andres

[["dc.bibliographiccitation.firstpage","49"],["dc.bibliographiccitation.issue","2"],["dc.bibliographiccitation.journal","HAYATI Journal of Biosciences"],["dc.bibliographiccitation.lastpage","53"],["dc.bibliographiccitation.volume","14"],["dc.contributor.author","Gafur, Abdul"],["dc.contributor.author","Schützendübel, Andres"],["dc.contributor.author","Polle, Andrea"],["dc.date.accessioned","2018-06-18T12:09:24Z"],["dc.date.available","2018-06-18T12:09:24Z"],["dc.date.issued","2007"],["dc.description.abstract","Peroxidase activity of the hybrid poplar Populus×canescens (Ait.) Sm. (= P. tremula L. × P. alba L.) inoculated with compatible and incompetent isolates of Paxillus involutus (Batsch) Fr. was investigated. Screening of the ectomycorrhizal fungal isolates was initiated with exploration of mycelial growth characteristics and mycorrhizal ability in vitro with poplar. Both traits varied within the fungus although they did not seem to be genetically correlated. While isolates SCO1, NAU, and 031 grew faster than others, only isolates MAJ, SCO1, and 031 were able to form ectomycorrhiza with poplar. Isolates MAJ (compatible) and NAU (incompetent) were subsequently selected for further experiments. Activity of peroxidase, one of the defense-related enzymes, was examined in pure culture and short root components of compatible and incompetent interactions between poplar and P. involutus. Peroxidase activities increased significantly in poplar inoculated with incompetent isolate of the fungus compared to control, while induction of the same enzyme was not detected in compatible associations."],["dc.identifier.doi","10.4308/hjb.14.2.49"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/5896"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/15109"],["dc.language.iso","en"],["dc.notes.intern","Migrated from goescholar"],["dc.notes.status","final"],["dc.relation.issn","1978-3019"],["dc.rights","Goescholar"],["dc.rights.access","openAccess"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.subject","ectomycorrhiza; Paxillus involutus; peroxidase; plant defense; poplar"],["dc.subject.ddc","570"],["dc.title","Peroxidase Activity in Poplar Inoculated with Compatible and Incompetent Isolates of Paxillus involutus"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dc.type.peerReviewed","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","91"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Plant Biology"],["dc.bibliographiccitation.lastpage","99"],["dc.bibliographiccitation.volume","6"],["dc.contributor.author","Gafur, Abdul"],["dc.contributor.author","Schützendübel, Andres"],["dc.contributor.author","Langenfeld-Heyser, Rosemarie"],["dc.contributor.author","Fritz, Eberhard"],["dc.contributor.author","Polle, Andrea"],["dc.date.accessioned","2018-06-25T12:50:20Z"],["dc.date.available","2018-06-25T12:50:20Z"],["dc.date.issued","2004"],["dc.description.abstract","Isolates of Paxillus involutus (Batsch) Fr. collected from different hosts and environmental conditions were screened for their ability to form ectomycorrhizal symbiosis with hybrid poplar P. x canescens (= Populus tremula L. x P. alba) in vitro. The ability to form ectomycorrhiza varied between the fungal isolates and was not correlated with the growth rate of the fungi on agar-based medium. The isolate MAJ, which was capable of mycorrhiza synthesis under axenic conditions, and the incompetent isolate NAU were characterized morphologically and anatomically. MAJ formed a typical hyphal mantle and a Hartig net, whereas NAU was not able to penetrate the host cell walls and caused thickenings of the outer cell walls of the host. MAJ, but not NAU, displayed strong H2O2 accumulation in the outer hyphal mantle. Increases in H2O2 in the outer epidermal walls and adjacent hyphae of the incompetent isolate were moderate. No increases of H2O2 in response to the mycobionts were found inside roots. Suggested functions of H2O2 production in the outer hyphal mantle of the compatible interaction are: growth regulation of the host's roots, defence against other invading microbes, or increasing plant-innate immunity. The system established here for P. x canescens compatible and incompetent fungal associations will be useful to take advantage of genomic information now available for poplar to study tree-fungal interactions at the molecular and physiological level."],["dc.identifier.doi","10.1055/s-2003-44718"],["dc.identifier.pmid","15095139"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/15141"],["dc.language.iso","en"],["dc.notes.status","final"],["dc.title","Compatible and incompetent Paxillus involutus isolates for ectomycorrhiza formation in vitro with poplar (Populus x canescens) differ in H2O2 production"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]