Table 1

General features of the 6 obligatory halophilic and 24 non-halophilic microbial genomes under study

Organism
Abbreviation
Group
ORFs under study
GC-content (%)

Halophiles




     Haloarcula marismortui ATCC 43049 Ch I
HMAR1
Euryarchaeota
2,705
62
     Haloarcula marismortui ATCC 43049 Ch II
HMAR2
Euryarchaeota
217
57
     Halobacterium salinarum DSM 671
HSAL
Euryarchaeota
2,191
68
     Halobacterium sp. NRC-1
HALO
Euryarchaeota
1,782
67
     Haloquadratum walsbyi DSM 16790
HWAL
Euryarchaeota
2,270
48
     Natronomonas pharaonis DSM 2160
NPHA
Euryarchaeota
2,314
63
     Salinibacter ruber DSM 13855
SRUB
Bacteroidetes/Chlorobi
2,631
66





Non-halophiles




     Acidobacteria bacterium Ellin345
ABAC
Acidobacteria
4,507
58
     Aeropyrum pernix K1*
APER
Crenarchaeota
1,519
56
     Azoarcus sp. EbN1
AZOA
Betaproteobacteria
3,673
65
     Bifidobacterium longum NCC2705
BLON
Actinobacteria
1,643
60
     Caulobacter crescentus CB15
CCRE
Alphaproteobacteria
3,453
67
     Escherichia coli K12
ECOL
Gammaproteobacteria
3,829
50
     Gloeobacter violaceus PCC 7421
GVIO
Cyanobacteria
3,947
62
     Methanosaeta thermophila PT*
MTHP
Euryarchaeota
1,535
53
     Methanothermobacter thermautotrophicus str. Delta H*
MTHA
Euryarchaeota
1,641
50
     Pelobacter propionicus DSM 2379
PPRO
Deltaproteobacteria
3,404
58
     Pelodictyon luteolum DSM 273
PLUT
Bacteroidetes/Chlorobi
1,926
57
     Pelotomaculum thermopropionicum SI
PTHE
Firmicutes
2,544
53
     Polaromonas sp. JS666
POLA
Betaproteobacteria
5,217
62
     Pseudomonas putida KT2440
PPUT
Gammaproteobacteria
4,906
61
     Pyrobaculum calidifontis JCM 11548*
PCAL
Crenarchaeota
1,932
57
     Roseiflexus castenholzii DSM 13941
RCAS
Chloroflexi
4,077
61
     Shigella boydii Sb227
SBOY
Gammaproteobacteria
3,660
47
     Synechococcus sp. WH 7803
SYNE
Cyanobacteria
2,141
60
     Thermococcus kodakarensis KOD1*
TKOD
Euryarchaeota
2,006
52
     Thermofilum pendens Hrk 5*
TPEN
Crenarchaeota
1,647
58
     Thermoplasma acidophilum DSM 1728*
TACI
Euryarchaeota
1,371
46
     Thermotoga maritima MSB8*
TMAR
Thermotogae
1,695
46
     Uncultured methanogenic archaeon RC-I
UMET
Euryarchaeota
2,800
55
     Yersinia pestis Antiqua
YPES
Gammaproteobacteria
3,744
48

*Organisms with optimum growth temperature ≥ 65°C.

Paul et al. Genome Biology 2008 9:R70   doi:10.1186/gb-2008-9-4-r70