Number and proportion of horizontally transferred genes in each genome

Species name	Three-letter code	A/B	HGT	Genes analyzed	Proportion (%)
Sulfolobus solfataricus	sso	A	156	2943	5.3
Sulfolobus tokodaii	sto	A	107	2823	3.8
Pyrobaculum aerophilum	pai	A	146	2605	5.6
Aeropyrum pernix	ape	A	158	1840	8.6
Thermoplasma acidophilum	tac	A	113	1480	7.6
Thermoplasma volcanium	tvo	A	60	1499	4.0
Methanosarcina mazei	mma	A	201	3329	6.0
Methanosarcina acetivorans	mac	A	375	4481	8.4
Pyrococcus furiosus	pfu	A	89	2062	4.3
Pyrococcus horikoshii	pho	A	69	1801	3.8
Pyrococcus abyssi	pab	A	73	1769	4.1
Methanobacterium thermoautotrophicum	mth	A	168	1872	9.0
Methanopyrus kandleri	mka	A	72	1687	4.3
Methanococcus jannaschii	mja	A	81	1785	4.5
Archaeoglobus fulgidus	afu	A	294	2413	12.2
Halobacterium sp	hal	A	381	2547	15.0
Synechocystis PCC6803	syn	B	118	3138	3.8
Nostoc sp	ana	B	97	6116	1.6
Borrelia burgdorferi	bbu	B	6	1640	0.4
Treponema pallidum	tpa	B	30	1036	2.9
Neisseria meningitidis Z2491	nma	B	169	2057	8.2
Neisseria meningitidis MC58	nme	B	188	2058	9.1
Ralstonia solanacearum	rso	B	420	5050	8.3
Rickettsia prowazekii	rpr	B	17	835	2.0
Rickettsia conorii	rco	B	38	1374	2.8
Agrobacterium tumefaciens C58 Cereon	atc	B	239	5287	4.5
Agrobacterium tumefaciens C58 UWash	atu	B	211	5396	3.9
Sinorhizobium meliloti	sme	B	324	6169	5.3
Brucella melitensis	bme	B	172	3195	5.4
Mesorhizobium loti	mlo	B	706	7266	9.7
Caulobacter crescentus	ccr	B	216	3734	5.8
Helicobacter pylori J99	hpj	B	15	1491	1.0
Helicobacter pylori 26695	hpy	B	27	1569	1.7
Campylobacter jejuni	cje	B	77	1634	4.7
Escherichia coli K12	eco	B	283	4276	6.6
Escherichia coli O157H7	ecs	B	388	5304	7.3
Escherichia coli O157H7 EDL933	ece	B	320	5263	6.1
Salmonella typhi	sty	B	412	4726	8.7
Salmonella typhimurium LT2	stm	B	349	4537	7.7
Buchnera aphidicola Sg	bas	B	6	545	1.1
Yersinia pestis CO92	ype	B	139	4037	3.4
Xanthomonas citri	xac	B	261	4295	6.1
Xanthomonas campestris	xcc	B	264	4164	6.3
Xylella fastidiosa	xfa	B	168	2801	6.0
Haemophilus influenzae	hin	B	48	1714	2.8
Pasteurella multocida	pmu	B	45	2015	2.2
Pseudomonas aeruginosa	pae	B	423	5560	7.6
Vibrio cholerae	vch	B	239	3806	6.3
Chlamydia muridarum	cmu	B	4	916	0.4
Chlamydia trachomatis	ctr	B	12	895	1.3
Chlamydophila pneumoniae J138	cpj	B	25	1069	2.3
Chlamydophila pneumoniae CWL029	cpn	B	22	1054	2.1
Chlamydophila pneumoniae AR39	cpa	B	20	1112	1.8
Mycobacterium tuberculosis H37Rv	mtu	B	99	3927	2.5
Mycobacterium tuberculosis CDC1551	mtc	B	131	4187	3.1
Mycobacterium leprae	mle	B	56	1605	3.5
Streptomyces coelicolor	sco	B	445	7880	5.6
Corynebacterium glutamicum	cgl	B	156	2991	5.2
Clostridium acetobutylicum	cac	B	394	3848	10.2
Clostridium perfringens	cpe	B	179	2722	6.6
Thermoanaerobacter tengcongensis	tte	B	340	2553	13.3
Mycoplasma genitalium	mge	B	23	484	4.8
Mycoplasma pneumoniae	mpn	B	6	689	0.9
Mycoplasma pulmonis	mpu	B	17	782	2.2
Ureaplasma urealyticum	uur	B	7	614	1.1
Bacillus subtilis	bsu	B	385	4112	9.4
Bacillus halodurans	bha	B	362	4020	9.0
Staphylococcus aureus Mu50	sav	B	43	2748	1.6
Staphylococcus aureus MW2	sam	B	59	2632	2.2
Staphylococcus aureus N315	sau	B	27	2625	1.0
Listeria monocytogenes	lmo	B	58	2846	2.0
Listeria innocua	lin	B	66	3038	2.2
Streptococcus pneumoniae TIGR4	spn	B	42	2093	2.0
Streptococcus pneumoniae R6	spr	B	47	2043	2.3
Streptococcus pyogenes MGAS8232	spm	B	49	1845	2.7
Streptococcus pyogenes	spy	B	55	1697	3.2
Lactococcus lactis	lla	B	93	2261	4.1
Chlorobium tepidum TLS	cte	B	266	2250	11.8
Fusobacterium nucleatum	fnu	B	42	2067	2.0
Aquifex aeolicus	aae	B	107	1560	6.9
Thermotoga maritima	tma	B	182	1857	9.8
Deinococcus radiodurans	dra	B	133	3169	4.2
82 species (15 Archaea, 67 bacteria)
Total number of genes				229,215
Total number of HT genes and proportion			12910