Analysis of three genomes within the thermophilic bacterial species Caldanaerobacter subterraneus with a focus on carbon monoxide dehydrogenase evolution and hydrolase diversity

Table 1 Overview of C. subterraneus genomes

	C. subterraneus subsp. pacificus	C. subterraneus subsp. tengcongensis	C. subterraneus subsp. yonseiensis
Genome size (Mb)	2.39	2.69	2.7
Genome GC content (%)	37.7	37.8	37.7
Number of contigs	135	1 (complete chromosome)	102
CDS	2511	2588	2711
Operon	871	1291	880
Hypothetical proteins^a	962 (38.31 %)	855 (33.04 %)	836 (30.84 %)
Average gene length	819	905	834
rRNA	11	12	18
rRNA average GC content (%)	59.8	59.81	59.3
tRNA	49	56	59
tRNA average GC content (%)	60.26	60.12	59.98
Number of horizontally transferred CDSs^b	173 (6.88 %)	121 (4.67 %)	127 (4.68 %)
Origin	Pacific Ocean hot vents	Terrestrial hot spring	Geothermal hot stream
Reference	This study	[12]	[14]

^aPercentage of hypothetical proteins of all genome proteins is in parentheses
^bDetected by GOHTAM. In parentheses is the percentage of horizontally transferred CDSs of all CDSs present in the genome

ISSN: 1471-2164