... preparations, AgCA9 was detected in the proteinaceous matrix that occupied the lumen of the GC and lined the alimentary canal (from the GC through the PMG) within the ectoperitrophic space but was not detected in the food bolus( Fig. 6A ). AgCA9 protein is indeed within the ectoperitrophic space...

... fumiferana Lymantria dispar Manduca sexta Spodoptera eridania ectoperitrophic space midgut lumen alkaline pH Bacillus thuringiensis The high alkalinity is mediated by active K + secretion into the midgut lumen ( Harvey and Nedergaard, 1964 ; Dow, 1986 , 1992 ), a process driven...