Gene Editing Tools Mediated by CRISPR-Cas A Method for Constructing Unmarked Deletion Mutants of Pseudomonas plecoglossicida NyZ12 Gene targeting of squalene synthase in Artemisia annua Effect of the lipA Inactivation on the Cell-bound Lipase Yield of Burkholderia sp. ZYB002 The Effect on Phosphatidylserine Biosynthesis of Gene sdaA,sdaB,pgpB in Escherichia coli Identification of GGB Mutant Caused by CRISPR/Cas9 in Arabidopsis