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Table 1 Classification and general features of Candidatus Thioglobus thermophilus, the Bathymodiolus thermophilus gill endosymbiont, according to the MIGS recommendations [42]

From: Genome sequence of the sulfur-oxidizing Bathymodiolus thermophilus gill endosymbiont

MIGS ID Property Term Evidence code a
  Classification Domain Bacteria TAS [43]
Phylum Proteobacteria TAS [44]
Class Gammaproteobacteria TAS [45]
Order Unclassified NAS
Family Unclassified, S-oxidizing symbionts TAS [46]
Genus Candidatus Thioglobus TAS [25]
Species Candidatus Thioglobus thermophilus TAS [25]
(Type) strain NA NAS
  Gram stain Negative TAS [18]
  Cell shape Coccoid or short rods TAS [9], IDA
  Motility Non-motile inside the host;
a putative free-living stage of the symbiont is likely motile, but no direct evidence exists
  Sporulation Unknown  
  Temperature range 4 °C - 14 °C (shows psychrophilic growth characteristics) TAS [10]
  Optimum temperature Unknown  
  pH range; Optimum 6.9–8.0; unknown TAS [47]
  Carbon source CO2 (autotroph) TAS [10, 11, 48, 49]
  Energy source H2S and S2O3 2− (chemotroph) TAS [10, 49]
  Terminal electron acceptor O2, NO3 2− TAS [11]
MIGS-6 Habitat Intracellular endosymbiont of marine bivalve inhabiting hydrothermal vents IDA
MIGS-6.3 Salinity 35.42 PSU IDA
MIGS − 22 Oxygen Aerobic (facultative) TAS [11]
MIGS-15 Biotic relationship Symbiont TAS [10, 11]
MIGS-14 Pathogenicity Non-pathogenic NAS
MIGS-4 Geographic location East Pacific Rise (EPR) 9°N IDA
MIGS-5 Sample collection January 2014 IDA
MIGS-4.1 Latitude 9° 50.39′ N IDA
MIGS-4.2 Longitude 104° 17.49′ W IDA
MIGS-4.3 Altitude -2511 m IDA
  1. aEvidence codes - IDA Inferred from Direct Assay, TAS Traceable Author Statement (i.e., a direct report exists in the literature), NAS Non-traceable Author Statement (i.e., not directly observed for the living, isolated sample, but based on a generally accepted property for the species, or anecdotal evidence). These evidence codes are from the Gene Ontology project [50]