General Surveillance of the soil ecosystem: An approach to monitoring unexpected adverse effects of GMO'sCommunity Analysis using PCR- Denaturing Gradient Gel Electrophoresis (DGGE)Molecular detection of fungal communities in soilMorphological, ontogenetic and molecular characterization of Scutellospora reticulata (Glomeromycota)Effects of Pseudomonas putida WCS358r and its genetically modified phenazine producing derivative on the Fusarium population in a field experiment, as determined by 18S rDNA analysis