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Arbuscular mycorrhizal fungi differentially affect the response to high zinc concentrations of two registered poplar clones.
Results indicate that poplars are suitable for phytoremediation purposes, and underscore the importance of appropriate combinations of plant genotypes and fungal symbionts. Expand
Effects of high zinc concentration on poplar leaves: A morphological and biochemical study
Abstract Plants growing under zinc excess store it in leaves, the organs in charge with carbon assimilation. Therefore, leaf modifications can help to understand the plant responses to environmentalExpand
Clonal differences in survival capacity, copper and zinc accumulation, and correlation with leaf polyamine levels in poplar: a large-scale field trial on heavily polluted soil.
The results indicate that, given the high GD of Populus even within populations, it is possible to identify genotypes best suited for soil clean-up, and useful also for investigating physiological markers associated with high metal accumulation/tolerance. Expand
Effects of Heavy Metals and Arbuscular Mycorrhiza on the Leaf Proteome of a Selected Poplar Clone: A Time Course Analysis
This work demonstrates how importantly the time of sampling affects the proteome responses in perennial plants and underlines the ability of a proteomic approach, targeted on protein identification, to depict changes in a specific pattern of protein expression, while being still far from elucidating the biological function of each protein. Expand
Arbuscular mycorrhizal fungi restore normal growth in a white poplar clone grown on heavy metal-contaminated soil, and this is associated with upregulation of foliar metallothionein and polyamine
Mycorrhizal plants of P. alba clone AL35 exhibit increased capacity for stabilization of soil HMs, together with improved growth and enhanced stress tolerance, which may derive from the transcriptional upregulation of several stress-related genes, and the protective role of PAs. Expand
Arbuscular Mycorrhizal Fungi and Plant Growth-Promoting Pseudomonads Increases Anthocyanin Concentration in Strawberry Fruits (Fragaria x ananassa var. Selva) in Conditions of Reduced Fertilization
It is shown that inoculation with AM fungi and/or with selected and tested Pseudomonas strains, under conditions of reduced fertilization, increases anthocyanin concentration in the fruits of strawberry. Expand
Arbuscular mycorrhizal fungi modulate the leaf transcriptome of a Populus alba L. clone grown on a zinc and copper-contaminated soil
The cDNA-Amplified Fragment Length Polymorphism (AFLP) approach was adopted, resulting in the identification of a number of new differentially regulated genes, mostly belonging to stress-related functional categories of defence and secondary metabolism. Expand
AM fungi and PGP pseudomonads increase flowering, fruit production, and vitamin content in strawberry grown at low nitrogen and phosphorus levels
Results provide further evidence that rhizospheric microorganisms affect fruit crop quality and show that they do so even under conditions of reduced chemical fertilization and can thus be exploited for sustainable agriculture. Expand
Epigenetic control of heavy metal stress response in mycorrhizal versus non-mycorrhizal poplar plants
Gene expression varied in treated samples relative to controls in response to HMs and/or AMF inoculation; in particular, transcripts of genes involved in RNA processing, cell wall and amino acid metabolism were upregulated in the presence of AMF with or without HMs. Expand
Transcript analysis of stress defence genes in a white poplar clone inoculated with the arbuscular mycorrhizal fungus Glomus mosseae and grown on a polluted soil.
In presence of high levels of heavy metals, inoculation with G. mosseae may confer to 'AL35' a more efficient control of the oxidant level, and in mycorrhizal plants heavy metal chelation pathways appear involved in the defence strategies in leaves, whereas in roots they do not seem to contribute to increase the plant tolerance ofheavy metals. Expand