Dataset Information


Transcription profiling of Populus x canescens fine roots inoculated with Paxillus involutus in response to salt stress

ABSTRACT: Populus x canescens was inoculated with Paxillus involutus and grown in a climate chamber for 13 weeks. Afterwards, plants were salt stressed for 18 additional days with 150 mM NaCl in the nutrient solution. This resulted in 4 different treatments: no mycorrhiza
control (NC), mycorrhiza/control (MC), no mycorrhiza/salt (NS), mycorrhiza/salt (MS).

INSTRUMENT(S): 418 [Affymetrix]

ORGANISM(S): Populus tremula x Populus alba  

DISEASE(S): Normal

SUBMITTER: Dennis Janz  

PROVIDER: E-MEXP-1874 | ArrayExpress | 2009-09-16


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Upgrading root physiology for stress tolerance by ectomycorrhizas: insights from metabolite and transcriptional profiling into reprogramming for stress anticipation.

Luo Zhi-Bin ZB   Janz Dennis D   Jiang Xiangning X   Göbel Cornelia C   Wildhagen Henning H   Tan Yupeng Y   Rennenberg Heinz H   Feussner Ivo I   Polle Andrea A  

Plant physiology 20091007 4

Ectomycorrhizas (EMs) alleviate stress tolerance of host plants, but the underlying molecular mechanisms are unknown. To elucidate the basis of EM-induced physiological changes and their involvement in stress adaptation, we investigated metabolic and transcriptional profiles in EM and non-EM roots of gray poplar (Populus x canescens) in the presence and absence of osmotic stress imposed by excess salinity. Colonization with the ectomycorrhizal fungus Paxillus involutus increased root cell volume  ...[more]

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