Extraction of proteins from marine microbial communities sampled by lab filters.- Extraction of proteins from municipal wastewater and activated sludge.- Extraction of proteins from fermented food.- Extraction of proteins from soil.- Extraction of proteins from green tissues of plants and phyllosphere.- Extraction of proteins from microbiome of livestocks.- A complete metaproteomic workflow for Arabidopsis roots inoculated by synthetic bacteria.- Proteomics for microalgae extracts by high-resolution mass spectrometry.- Metaproteomic analysis of microbial communities affecting fishery products.- Metaproteomic analysis of biogas plants: a complete workflow from lab to bioinformatics.- Metaproteomic analysis of fecal samples from human subjects and rodent models.- Metaproteomics of gut fungi in gnotobiotic mice.- Fungal secretomics through iTRAQ-based analysis.- Label-free quantitative proteomics of oral microbial communities.- Metaproteomics for co infections in the upper respiratory tract the case of COVID-19.- Bioinformatic workflows for metaproteomics.