Table 1.

Number of differentially expressed proteins in macrophage-like cells after infection with different strains of M. tuberculosis at four tandem time points. U/D indicates the ratio of up-regulated proteins to down-regulated proteins.

	H37Ra			H37Rv			BND433			JAL2287
Time	Up	Down	U/D	Up	Down	U/D	Up	Down	U/D	Up	Down	U/D
6 h	113	110	1.0	25	104	0.2	55	99	0.5	50	292	0.2
18 h	60	88	0.7	101	235	0.4	95	137	0.7	146	100	1.5
30 h	113	155	0.7	78	144	0.5	86	118	0.7	156	184	0.8
42 h	72	287	0.2	114	394	0.3	112	408	0.3	83	337	0.2