Table 1.

Characteristics of the bacterial strains discussed in this study.

Strains	Methylobacterium extorquens CM4	Hyphomicrobium sp. MC1	Desulfotomaculum alcoholivorax DSM 16058	Desulfurispora thermophila DSM 16022	Desulfomonile tiedjei DSM 6799	Thermincola potens JR	Thermosedimi-nibacter oceani DSM 16646	Leisingera methylohalidivorans MB2 DSM 14336
Affiliation	Alphaproteobacteria	Alphaproteobacteria	Deltaproteobacteria	Deltaproteobacteria	Deltaproteobacteria	Clostridia	Clostridia	Alphaproteobacteria
Origin	Industrial soil	Sewage sludge	Fluidized-bed reactor	Fluidized-bed reactor	Sewage sludge	Anodic biofilm	Deep-sea sediment	Sea water
Genome size (MB)	6.18	4.75	3.47	2.82	6.53	3.16	2.28	4.65
GC (%)	68	59	47	55	50	46	47	62
Total CDS	6035	4955	3588	2815	5664	3343	2460	4608
Plasmids	2	0	Unknown	Unknown	1	0	0	2
Sequence status	Assembled, finished	Assembled, finished	66 contigs Permanent draft	19 contigs Permanent draft	Assembled, finished	Assembled, finished	Assembled, finished	Assembled, finished
Genbank accession number	CP001298 CP001299 CP001300	FQ859181	AUMW00000000	AQWN00000000	CP003360 CP003361	CP002028	CP002131	CP006773 CP006774 CP006775
Reference	Marx et al. (2012)	Vuilleumier et al. (2011)	Kaksonen et al. (2008)	Kaksonen et al. (2007)	DeWeerd et al. (1990)	Byrne-Bailey et al. (2010)	Pitluck et al. (2010)	Buddruhs et al. (2013)