TABLE 1.

Inhibition of chlamydial infectivity in Swiss Webster mice by pretreatment of organisms with N-glycanase

Strain	Inhibition of chlamydial infectivity with (+) and without (−) glycanase treatment
	Inhibition at 3 days p.i.				Inhibition at 7 days p.i.
	No. of mice positive/no. of mice tested		IFU/g of lung (% decrease)a		No. of mice positive/no. of mice tested		IFU/g of lung (% decrease)a
	−	+	−	+	−	+	−	+
C. pneumoniae AR-39	6/6	0/6b	2.8 × 105	0 (100)	6/6	1/7b	1.1 × 105	1.2 × 104 (91)
C. trachomatis E/UW-5/Cx	6/6	6/6	1.4 × 106	8.4 × 105b (40)	6/6	6/6	9.9 × 103	1.0 × 103b (90)
C. trachomatis L2/434/Bu	6/6	6/6	1.1 × 106	4.6 × 102b (99)	6/7	0/7	2.6 × 105	0 (100)

^aData are the mean titers in lung. Percent decrease is relative to the IFU/g of lung in the control.

^bP < 0.05.