Query: NC_010531:428000 Polynucleobacter necessarius STIR1, complete genome Lineage: Polynucleobacter necessarius; Polynucleobacter; Burkholderiaceae; Burkholderiales; Proteobacteria; Bacteria General Information: This strain is an obligate intracellular endosymbiont of the cilliate Euplotes aediculatus. This group of organisms is common in freshwater, comprising up to 60% of the bacteria in freshwater habitats. Polynucleobacter species are also known to be endosymbionts of ciliates. These strains live within the cytoplasm and are essential for their host organisms.
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General Information: Isolated from acidic mine drainage in Yanahara mine, Okayama, Japan. Acidophilic bacterium. This genus comprises a number of species commonly found in water reservoirs, microbial mats, many different soil types, marine and freshwater sediments, as well as in hot-spring mats and sediments, etc. Furthermore, they sometimes form the dominant group in a habitat. These bacteria are involved in the first step of destruction of biologically complex molecules produced by autotrophic (capable of synthesizing their own nutrients) microorganisms. Acidobacterium capsulatum is an aerobic, mesophilic, chemo-organotroph able to use a variety of carbon sources and to grow up to pH 6.0. The species comprises several strains characterized by orange pigmentation, production of menoquinones as their sole quinones, and branched-chain iso fatty acids as their cell envelope components.