TABLE 1.

Protein spots showing altered expression levels by use of DIGE technology

Gene locus	Protein name	Function	Molecular mass (kDa)	pI	Avg ratioa
HP1118	Gamma-glutamyltransferase	Transpeptidation reaction	61.1	9.27	↓ 0.65
HP0649	Aspartate ammonia lyase	Amino acid biosynthesis	52.5	6.37	↓ 0.68
HP0649	Aspartate ammonia lyase	Amino acid biosynthesis	52.5	6.37	↓ 0.60
HP0586	2-Oxoglutarate oxidoreductase	Oxidoreductase activity	41.7	5.98	↓ 0.32
HP1238	Aliphatic amidase	Hydrolase activity	38.5	6.20	↓ 0.36
HP0310	Hypothetical protein	Hydrolase activity	33.6	5.42	↓ 0.42
HP0653	Nonheme ferritin protein	Iron storage protein	19.3	5.40	↓ 0.42
HP0243	Neutrophil-activating protein	Neutrophil activation	16.8	5.69	↓ 0.52
HP0010	Chaperone and heat shock protein	Chaperone and heat shock protein	58.3	5.55	↑ 1.43
HP1205	Elongation factor EF-TU	Elongation factor	43.7	5.17	↑ 2.09
HP1205	Elongation factor EF-TU	Elongation factor	43.7	5.17	↑ 2.56
HP0170	Hypothetical protein	Unknown	28.7	4.63	↑ 1.47
HP0068	UreG	Incorporating Ni to Urease	22.1	5.03	↑ 2.27

^aProtein expression level in the SS1(ΔhpaA) mutant compared to that of the wild-type strain. Unchanged protein expression is set to 1.