[{"n": "Prokaryote", "u": "/e/microbial-groups-and-extremophiles/prokaryote/", "s": "Single-celled organisms without a nucleus, foundational to life on Earth."}, {"n": "Protist", "u": "/e/microbial-groups-and-extremophiles/protist/", "s": "Eukaryotes that are not animals, plants, or fungi."}, {"n": "Protozoa", "u": "/e/microbial-groups-and-extremophiles/protozoa/", "s": "Polyphyletic group of single-celled eukaryotes, historically seen as first animals."}, {"n": "Pseudomonadota", "u": "/e/microbial-groups-and-extremophiles/pseudomonadota/", "s": "A diverse phylum of gram-negative bacteria with pathogenic and free-living members."}, {"n": "Radiolaria", "u": "/e/microbial-groups-and-extremophiles/radiolaria/", "s": "Unicellular protists with intricate silica skeletons, key microfossils."}, {"n": "Red algae", "u": "/e/microbial-groups-and-extremophiles/red-algae/", "s": "Red algae, known scientifically as Rhodophyta—a name derived from the Greek words for \"rose\" and \"plant\"—are a"}, {"n": "Rhizaria", "u": "/e/microbial-groups-and-extremophiles/rhizaria/", "s": "Diverse clade of mostly unicellular amoeboid eukaryotes."}, {"n": "Rhizobia", "u": "/e/microbial-groups-and-extremophiles/rhizobia/", "s": "Soil bacteria that fix nitrogen in legume root nodules."}, {"n": "SAR supergroup", "u": "/e/microbial-groups-and-extremophiles/sar-supergroup/", "s": "A major eukaryotic supergroup uniting stramenopiles, alveolates, and rhizarians."}, {"n": "Seaweed", "u": "/e/microbial-groups-and-extremophiles/seaweed/", "s": "Macroalgae vital to ocean ecology and human industry."}, {"n": "Stramenopile", "u": "/e/microbial-groups-and-extremophiles/stramenopile/", "s": "Protists defined by tripartite stiff hairs, including brown algae and diatoms."}, {"n": "Stromatolite", "u": "/e/microbial-groups-and-extremophiles/stromatolite/", "s": "Layered microbial formations recording ancient life on Earth."}, {"n": "Sulfolobus", "u": "/e/microbial-groups-and-extremophiles/sulfolobus/", "s": "Acidophilic, thermophilic archaeon used to study DNA replication."}, {"n": "Thermoplasma", "u": "/e/microbial-groups-and-extremophiles/thermoplasma/", "s": "Acid- and heat-tolerant archaea with a unique wall-less membrane."}, {"n": "Thermoproteati", "u": "/e/microbial-groups-and-extremophiles/thermoproteati/", "s": "Kingdom of archaea sister to the eukaryote lineage."}, {"n": "Thermoproteota", "u": "/e/microbial-groups-and-extremophiles/thermoproteota/", "s": "Thermoproteota are archaea from hot springs to open oceans."}, {"n": "Thermus aquaticus", "u": "/e/microbial-groups-and-extremophiles/thermus-aquaticus/", "s": "Thermophilic bacterium that enabled the polymerase chain reaction."}]