Table 2.

Ability of P. falciparum and P. gallinaceum Microgametes to Bind Enzyme-treated Human or Chicken Erythrocytes

Malaria species and strain		Enzyme treatment		Binding		n *
P. falciparum
3D7		Untreated human RBCs		+		>10
		Ficin		−		4
		Trypsin		−		5
		Neuraminidase (V.c.)‡		−		>10
		Neuraminidase (A.u.)§		−		2
7G8		Untreated human RBCs		+		2
		Neuraminidase (V.c.)		−		2
HB3		Untreated human RBCs		+		2
		Neuraminidase (V.c.)		−		2
P. gallinaceum		Untreated chicken RBCs		+		>10
		Neuraminidase (V.c.)		+		2
		Neuraminidase (A.u.)		+		2
		Untreated human RBCs		−		4

^* Number of independent experiments performed.  

^‡  V. cholerae neuraminidase.  

^§  A. ureafaciens neuraminidase.