摘要 |
The present invention relates to a process for removing genetic material from a bacterial cell, specifically producing deletions in bacterial genomes or eliminating endogenous bacterial plasmids. In particular, the process relates to the transformation of bacterial cells with one or more Deletion Vectors, wherein the Deletion Vectors are capable of directing production of two or more crRNAs which target two or more PAM/Protospacers within the genomes of the bacteria within the population or within endo-genous bacterial plasmids. |