Bacteria Cyanobacteria Tardigrades Fungi Yeast Archaea Nematodes Astrobiology Space Microbiology Bacillus subtilis Viruses Extremophiles Food Spoilage Microbiome DNA Sequencing Ancient Microorganisms Treponemal Diseases E. coli Plastic-Degrading Bacteria Root Microorganisms Mold Biofilm Photosynthesis Symbiotic Relationships Dimethyl Sulfide Bioluminescence Microalgae Research Thermophiles Parasitology Parasites Unicellular Organisms Laboratory Research Decomposition Protoeuglena noctilucae Single-Celled Organisms Environmental Sensing Space Biomarkers Non-Bacterial Microorganisms Rotifers Bacterial Blooms Contamination