Related by context. Frequent words. (Click for all words.) 61 microbial ecology 59 protozoan 59 unicellular 58 bacterium Escherichia coli 58 organism 57 mycobacterial 56 macromolecule 56 photosynthetic bacteria 56 denature 56 Caenorhabditis elegans 56 Toxoplasma 56 Bacillus subtilis 55 bacterium E. coli 55 plant Arabidopsis thaliana 55 Chlamydomonas 55 acetylated 55 lectins 55 biosynthetic 55 thiols 55 methanogens 55 Streptomyces 55 prokaryotic 54 single celled 54 Penicillium 54 Scientists theorize 54 Shewanella 54 prokaryotes 54 biogenesis 54 Genetic variation 54 ultracold 54 S. cerevisiae 54 Scientifically speaking 54 spirochete 54 Dictyostelium 53 nematode worms 53 protozoan parasite 53 single celled organism 53 symbiotic bacteria 53 microbe 53 mutant proteins 53 symbiont 53 inactivates 53 mycobacteria 53 C. albicans 53 pylori 53 cone snails 53 evolutionarily conserved 53 subsp 53 homologue 53 supersolid 53 endothermic 53 Helicobacter 52 coevolution 52 photosynthetic organisms 52 Mycobacterium 52 micro organism 52 gene encodes 52 mutagens 52 Toxoplasma gondii 52 lysozyme 52 fruitflies 52 rRNA 52 bacterial enzyme 52 plasmodium 52 flatworm 52 lipid bilayer 52 Bt toxin 52 replicative 52 heparan sulfate 52 uracil 52 C. botulinum 52 nanobacteria 52 chemical reactivity 52 fig. S1 52 Archaea 52 Geobacter 52 Diatoms 52 diatom 52 commensal 52 dinoflagellate 52 supercritical carbon dioxide 52 flagellin 52 copepod 52 Saccharomyces cerevisiae 52 colonizes 51 genetically altering 51 zooxanthellae 51 ribozymes 51 protists 51 Neu5Gc 51 pathogenic organisms 51 fibroblast cells 51 trimer 51 respire 51 symbionts 51 MC1R 51 Rickettsia 51 monomeric 51 bacterium 51 elemental composition 51 lactobacilli