Expression Pattern Suggests a Role of MiR399 in the Regulation of the Cellular Response to Local Pi Increase During Arbuscular Mycorrhizal Symbiosis oleh Anja Branscheid, Daniela Sieh, Bikram Datt Pant, Patrick May, Emanuel A. Devers, Anders Elkrog, Leif Schauser, Wolf-Rüdiger Scheible, Franziska Krajinski