A Toxin-Based Counter-Selection System for Markerless Gene Deletion and High-Density Tn5 Transposon Mutagenesis in Pectobacterium brasiliense
1State Key Laboratory of Biocontrol, School of Agriculture and Biotechnology, Sun Yat-sen University, 2Potato Engineering ' Technology Research Center, Inner Mongolia University, 3Urumqi Experimental School, 4Department of Plant Pathology and Weed Research, Agricultural Research Organization-Volcani Institute, 5Chinese Academy of Agricultural Sciences, Institute of Vegetables and Flowers