Table 2.

Genes associated with the serotypes of K. pneumonia.

Gene	Comment	K1	K2	Non-K1/K2	Reference
MagA	Capsular polysaccharide synthesis	+	§	§	[24, 26]
RmpA	Regulator of the mucoid phenotype	+	+	+	[2, 26, 52]
kfu/PTS	Iron uptake system (kfu) and a phosphoenolpyruvate	+	−	+	[52]
Aerobactin	An iron chelator	+	+	+	[2, 26, 52]
AllS	Anaerobic metabolism of allantoin	+	−	−	[52]
No. of isolates (%) (n = 248)	—	63.40%	14.20%	22.40%	[15]

§: No data; −: lack of this gene.