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Table 1 General features of the six sequenced Thermococcales species*

From: Genome analysis and genome-wide proteomics of Thermococcus gammatolerans, the most radioresistant organism known amongst the Archaea

 

T. gammatolerans

T. onnurineus

T. kodakaraensis

P. abyssi

P. horikoshii

P. furiosus

Genome size (nt)

2,045,438

1,847,607

2,088,737

1,765,118

1,738,505

1,908,256

Percentage coding regions

94.0%

91.7%

93.2%

93.1%

95.0%

93.8%

GC%

53.6%

51.2%

52.0%

44.7%

41.9%

40,80%

Intergene GC%

43.3%

42.4%

42.0%

39.6%

39.8%

35.8%

Number of CDSs

2,157

1,976

2,306

1,896

1,955

2,125

Gene overlaps†

237 (11%)

402 (20%)

557 (24%)

317 (17%)

712 (36%)

657 (31%)

Mean CDS length (nt)

891

857

844

918

854

842

Average CDS identity with T. gammatolerans%‡

100%

76.7%

77.2%

72.8%

71.2%

71.5%

tRNAs

46

46

46

46

46

46

rRNAs

2× 5S, 7S, 16S, 23S

2× 5S, 7S, 16S, 23S

2× 5S, 7S, 16S, 23S

2× 5S, 7S, 16S, 23S

2× 5S, 7S, 16S, 23S

2× 5S, 7S, 16S, 23S

  1. *Data for the five Thermococcales strains were from GenBank. †Total number of overlaping genes and fraction of genes with overlaps (percentage in parentheses). ‡This refers to average identity percent values obtained by similarity matches with BLASTP. Nt, nucleotides.