Related by context. Frequent words. (Click for all words.) 81 organisms 77 bacterium 73 microorganism 72 microbe 69 microorganisms 69 microbes 68 bacteria 65 micro organisms 65 alga 65 pathogen 63 parasite 63 cyanobacteria 62 bacterial 61 protozoa 59 pathogens 59 microscopic organisms 59 microbial 59 pathogenic bacteria 59 amoeba 59 proteins 59 Plasmodium 58 yeast cells 58 mammalian cells 58 malaria parasite 58 roundworms 58 fungi 58 C. elegans 58 biofilm 57 bacterial strains 57 Salmonella bacteria 57 mammalian 57 intestinal bacteria 57 Bacteria 57 diatoms 57 molecule 57 P. aeruginosa 56 gut bacteria 56 pathogenic 56 spores 56 marine organisms 56 phage 56 prions 56 bacterial pathogens 56 HSCs 56 eukaryotes 55 photosynthesis 55 organelles 55 photosynthetic 55 phages 55 toxin 55 viral particles 55 larva 55 biosphere 55 algae 54 vertebrate 54 yeast 54 larval stage 54 biomolecules 54 parasites 54 biofilms 54 malaria parasites 53 RNA molecules 53 germ cells 53 Pseudomonas 53 spore 53 fungus 53 nematodes 53 larvae 53 coli 53 zooplankton 53 protein synthesis 52 cells 52 genes 52 macromolecules 52 amino acid sequence 52 roundworm 52 Organisms 52 insects 52 insect 52 epithelial cells 52 species 52 molecules 52 aquatic organisms 52 autophagy 52 arthropods 52 enzymes 51 nematode 51 cultured cells 51 influenza viruses 51 phytoplankton 51 influenza virus 51 metabolic processes 51 enzyme 51 immune cells 51 ribosomes 51 signaling molecule 51 proteases 51 genetically identical 51 heme 51 nucleic acids 51 mutations