Molecular detection, quantification, and isolation of Streptococcus gallolyticus bacteria colonizing colorectal tumors: inflammation-driven potential of carcinogenesis via IL-1, COX-2, and IL-8

Table 2 Bacteriological isolation of SGMB and S. bovis from feces, mucosal surfaces and tissues of colorectum in control, CRC-wo/bac, and CRC-w/bac groups.

Group	Positive isolation of fecal SGMB N (%)	Positive isolation of mucosal SGMB N (%)		Positive isolation of tissue SGMB N (%)
		TU	NTU	TU	NTU
*S. gallolyticus*
Control (N = 50)	4 (8)	2 (4)		1(2)
CRC-wo/bac (N = 52)	5 (9.6)	4 (7.6)	2 (3.8)	9 (17.3)	6 (11.5)
CRC-w/bac (N = 39)	4 (10.2)	2 (5.1)	2 (5.1)	8 (20.5)	5 (12.8)
*S. bovis*
Control (N = 50)	2 (4)	1 (2)		0 (0)
CRC-wo/bac (N = 52)	2 (3.8)	1 (1.9)	1 (1.9)	0 (0)	0 (0)
CRC-w/bac (N = 39)	1 (2.5)	0 (0)	0 (0)	0 (0)	0 (0)

ISSN: 1476-4598