. . . "chloramphenicol o-acetyltransferase" . . . "chloramphenicol O-acetyltransferase" . . . . . . . . . . "CAT" . . . . "Chloramphenicol acetyltransferase" . . "CAT assay" . . "Chloramphenicol acetyltransferase" . "chloramphenicol acetyltransferase" .