The interactive role of nitrogen and carbon in the physiology of ectomycorrhizae (ECM) is
examined. Nitrogen availability in forest soils dictates that inorganic forms are absorbed by …

Previous work in the Colorado alpine ecosystem has shown that amino acids are a
potentially important N source for the sedge, Kobresia myosuroides. This plant is the only …

Ectomycorrhizal (ECM) fungi associated with plant roots play important roles in facilitating
plant nutrient uptake. Ectomycorrhizal trees obtain soil nitrogen (N) through the direct root …

Analysis of soil solution from forest sites dominated by Eucalyptus grandis and Eucalyptus
maculata indicates that soluble forms of organic nitrogen (amino acids and protein) are …

The recently recognized importance of organic nitrogen (ON), particularly amino acids, to
plant nutrition in many types of agricultural and natural ecosystems has raised questions …

Evidence shows that many tree species can take up organic nitrogen (N) in the form of free
amino acids from soils, but few studies have been conducted to compare organic and …

Arbuscular mycorrhizal (AM) fungi form beneficial associations with host root systems,
during which the soil nutrient acquisition by the fungal symbiont induces an alteration in AM …

The capacity for nitrate reduction, as measured by nitrate reductase activity (NRA), was
generally low for a range of plant communities in Australia (coastal heathland, rainforest …

Ammonium assimilation was followed in N-starved mycelia from the ectomycorrhizal
Ascomycete Cenococcum graniforme. The evaluation of free amino acid pool levels after the …

Nutrient acquisition by roots from soil is a complex process which is dependent on several
root features:(1) morphological root characteristics, including mycorrhizal associations …