Analysis of Nanoarchaeum equitans genome and proteome composition: indications for hyperthermophilic and parasitic adaptation

Table 1 General features of the N. equitans genome and 14 other microbial genomes under study

	Organism	Accession No. (GenBank)	Size (Mb)	Optimal growth temp °C	ORFs under study	GC- content (%)
						Genome	ORFs	rRNAs	tRNAs
Hyperthermophilic	Aquifex aeolicus	AE000657	1.59	96	1485	43.3	43.7	64.8	68.4
	Methanocaldococcus jannaschii	L77117	1.74	85	1534	31.3	32.0	63.8	66.5
	Nanoarchaeum equitans	AE017199	0.49	90	487	31.5	31.2	66.2	72.5
	Pyrococcus abyssi	AL096836	1.77	96	1686	44.6	45.2	65.9	70.5
	Pyrococcus furiosus	AE009950	1.91	96	1845	40.7	41.2	66.3	70.5
	Pyrococcus horikoshii	BA000001	1.74	96	1717	41.8	42.3	63.2	70.7
	Sulfolobus solfataricus	AE006641	2.99	80	2741	35.7	36.5	62.1	67.3
	Sulfolobus tokodaii	BA000023	2.69	80	2558	32.7	33.6	63.8	67.4
Mesophilic	Acinetobacter sp.	CR543861	3.60	37	3020	40.4	41.3	51.7	58.1
	Bacillus subtilis	AL009126	4.21	35	3615	42.0	43.9	54.2	58.5
	Listeria innocua	AL592022	3.09	37	2677	37.0	37.8	52.8	58.23
	Methanococcus maripaludis	BX950229	1.66	37	1541	33.1	34.1	54.2	61.2
	Methanosarcina acetivorans	AE010299	5.75	37	3958	42.6	45.4	54.5	60.5
	Methanosarcina barkeri	CP000099	4.87	37	3206	39.2	42.4	53.6	59.5
	Methanosarcina mazei	AE008384	4.10	37	2986	41.4	44.4	54.2	60.7