1. Structure and function of microbial communities2. Microbial community genetics, transcriptomics, proteomics and metabolomics3. Microbial interaction4. Microbial communication5. Microbial ecology6. Microbial population biology7. Biogeochemical processes (C, N, P, S-cycles)8. Microbial life in extreme environments9. Evolutionary processes of microbial communities10. Biofilm formation and surface microbes11. Metabolic flux analysis and stable isotope probing (DNA, RNA and protein)12. Microbiome biology of environmental habitats13. Microbial treatment14. Microbial pollution: pathogenic microorganisms in the environment (water/soil/air/food); microbial metabolism and environmental pollution (e.g., microbial toxin)15. Microbiological monitoring: testing methods and monitoring techniques development16. Microbial Degradation of Xenobiotics17. Microbiological Wastewater Treatment18. Genetics and Physiology of Anaerobic Hydrocarbon-Degrading Microorganisms19. Bioremediation - The Natural Solution20. Molecular Ecology and Genetic Diversity of Marine Microorganisms