Table 4. Number of genes involved in T4SS and T5SS in the sequenced Bartonella genomes.

Secretion system	Gene family	Bg	Bt	Bh	Bq	Bb
T4SS	virB	18	18	18	15	0
	vbh	22	10	0	0	0
	trw	29	30	23	23	0
	Total	69	58	41	38	0
T5SS	autotransporters	17	17	10	6	5
	badA	5	1	2	3	3
	fha/hec	13	8	7	0	0
	Total	35	26	19	9	8
All		104	84	60	47	8

Only full-length genes are included.