Table 1.

Microarray analysis of representative genes for arginine metabolism in P. aeruginosa PAO1

Gene no.*	Gene name	Absolute signal value
		Glu†	Glu + d-arginine‡
Group I: d-Arginine-specific
PA3862	dauB	199	9209
PA3863	dauA	80	3247
PA3864	dauR	185	2194
PA3865	dauT	173	4840
Group II: The AST pathway
PA0895	aruC	925	5442
PA0896	aruF	442	4071
PA0897	aruG	419	3680
PA0898	aruD	350	2805
PA0899	aruB	637	3965
PA0901	aruE	786	2835
PA3068	gdhB	1681	7026
Group III: The ATA pathway
PA0265	gabD	796	1500
PA0266	gabT	943	1315
PA1421	gbuA	78	943
PA4976	aruH	169	152
PA4977	aruI	93	105
PA5312	kauB	1099	1357
Group IV: Arginine and glutamate biosynthesis
PA3537	argF	1715	267
PA4588	gdhA	373	56

*Gene numbers are from the Pseudomonas Genome Project (www.pseudomonas.com).

^†Cells were grown in minimal medium P with l-glutamate.

^‡Cells were grown in minimal medium P with l-glutamate and d-arginine.