Figure 5From: Identification of amino acid residues involved in substrate specificity of plant acyl-ACP thioesterases using a bioinformatics-guided approachMacConkey agar plate-based screen for plant thioesterase activity. Colonies that contain an active thioesterase variant are white while those containing either empty vector (pBC) or an inactive variant are dark pink. Colonies exhibiting a range of activities could be reliably screened visually with this assay.Back to article page