TY - GEN AU - O'flaherty,S AU - Moenne-Loccoz,Y AU - Boesten,B AU - Higgins,P AU - Dowling,D N AU - Condon,S AU - O'gara,F TI - Greenhouse and Field Evaluations of an Autoselective System Based on an Essential Thymidylate Synthase Gene for Improved Maintenance of Plasmid Vectors in Modified Rhizobium meliloti SN - 0099-2240 PY - 2010///0625 N1 - Publication Type: Journal Article UR - https://doi.org/10.1128/aem.61.11.4051-4056.1995 ER -