Fig. 6From: Serine hydroxymethyltransferase controls blood-meal digestion in the midgut of Aedes aegypti mosquitoesMaximum likelihood phylogenetic trees for digestive enzymes. a Trypsins. b Chymotrypsins. c Carboxyproteases. d Serine proteases. The red triangle indicates upregulation by SHMT RNAi, the green triangle indicates downregulation, and the black circle indicates unchanged expressionBack to article page