Query: NC_012440:1080675 Persephonella marina EX-H1, complete genome
Lineage: Persephonella marina; Persephonella; Hydrogenothermaceae; Aquificales; Aquificae; Bacteria
General Information: This species is a chemolithotrophic, thermophilic hydrogen-oxidizing bacterium. This strain was collected from a deep sea hydrothermal vent on the East Pacific Rise.
Subject: NC_006177:280234 Symbiobacterium thermophilum IAM 14863, complete genome
Lineage: Symbiobacterium thermophilum; Symbiobacterium; Shewanellaceae; Clostridiales; Firmicutes; Bacteria
General Information: This symbiotic and thermophilic bacterium was discovered by screening for thermostable tryptanophases in Japanese compost. Cultured growth of this organism requires the presence of another bacterial species, such as a Bacillus or Escherichia coli, which provides diffusable metabolites required for its growth. Pure cultures can be obtained by growing Symbiobacterium thermophilum in a bioreactor, separated from its symbiotic counterpart by a dialysis membrane. Because of its symbiotic nature, it cannot be cultured with conventional methods. Despite a negative reaction for gram stain, this species is placed with the gram-positive bacteria based on 16s phylogenetic analysis.