… While this contribution was shown to be independent of the effects of mycorrhizal
colonization on P nutrition, Cu partitioning between roots and shoots was strongly affected by …

… As a result of migration barriers, common patterns of subspecific (phylogeographic) (Vargas
2003) and specific (phylogenetic) differentiation are associated with geographic isolation (…

Diagnosis of pigmented lesions of the oral cavity and perioral tissues is challenging. Even
though epidemiology may be of some help in orientating the clinician and even though some …

Amazon forests are a key but poorly understood component of the global carbon cycle. If, as
anticipated, they dry this century, they might accelerate climate change through carbon …

To initiate adaptative cytotoxic immune responses, proteolytic peptides derived from
phagocytosed antigens are presented by dendritic cells (DCs) to CD8 + T lymphocytes through a …

The presence of flat bands near Fermi level has been proposed as an explanation for high
transition temperature superconductors. The bands of graphite are extremely sensitive to …

Background The risks of colorectal cancer and adenoma, the precursor lesion, are believed
to be influenced by dietary factors. Epidemiologic evidence that cereal fiber protects against …

The extent to which pre-Columbian societies altered Amazonian landscapes is hotly debated.
We performed a basin-wide analysis of pre-Columbian impacts on Amazonian forests by …

… For our purposes the most appropriate setting was p=1: this resulted in a smoothed
interpolation with a large number of neighbouring points having some influence, with only a slow …

In eukaryotic cells, the nuclear envelope separates the genomic DNA from the cytoplasmic
space and regulates protein trafficking between the two compartments. This barrier is only …