Research Paradigm shift in the view of ectomycorrhizal symbiosis in boreal forest - but in which direction? Funded by FORMAS - a Swedish Research Council for Sustainable Development. Tracking forest carbon-nitrogen pathways at nano-scale: Quantification of microbial assimilation of tree photosynthates and soil nitrogen by high-throughput stable isotopic analysis of RNA arrays. Funded by VR -the Swedish Research Council. Sustainable management of carbon and nitrogen in future forests. Funded by FORMAS. Which forests leach N? Exploring the microbial mechanisms and bioindicators of soil nitrogen retention. Funded by FORMAS.