It deals with microbial diversity in different ecosystems and the effect they have on the environment. It includes the study of biogeochemical cycles, biodiversity mainly in aquatic ecosystems in which microorganisms have a major influence on the recycling of substances.
It deals with the characterization of organisms isolated from different environments (natural and built) by methods of classical microbiology, molecular biology, metagenomics, transcriptomics and proteomics with the application of MALDI-TOF mass spectrometry.