Table. Large-scale measurement of bacterial gene or protein expression during real infections or interactions with host cells.

Species	Experiment type	Description	Reference
Growth in the host
Borrelia burgdorferi	DNA microarray	Growth in dialysis membranes implanted in rats	14
	DNA microarray	Adaptation to growth in dialysis membranes in rats	15
	DNA microarray	Alteration of lipoprotein expression during host adaptation in mice	16
	Antigenic profiling	Alteration of antigenic profile during host adaptation in mice	17
Pasteurella multocida	DNA microarray	Gene expression during growth in blood of infected chickens	18
	DNA microarray	Gene expression during growth in livers of infected chickens	19
Vibrio cholerae	DNA microarray	Gene expression during growth in rabbit ileal loops	20
	DNA microarray	Gene expression in rice water stools	21
Interaction with tissue culture cells
Chlamydia pneumoniae	2-dimensional gel electrophoresis	Protein expression during growth in HEp-2 cells in response to interferon-γ	22
Neisseria meningitidis	DNA microarray	Interaction with epithelial and endothelial cells	23
	DNA microarray	Interaction with epithelial cells	24