passages.id: split_6_test_3090_passage
passages.type: progene_text
passages.text: Introduction of multi - copies of DC into the original site at the PglaA in A. nigerT21 decreased the expression of endogenous GLA expression and the exogenous reporter E. coli uidA gene introduced under the PglaA promoter , while having no effect on the uidA gene under the control of PgpdA .