title: [Investigation on the incompatibility groups of some colicinogenic factors Ia (author's transl)].
abstract: Compatibility studies of six ColIa factors showed that these plasmids do not always constitute an homogeneous group: four factors belong to the usual Ialpha group, one factor to the O group and the last one is simultaneously incompatible with Ialpha and O plasmids.
mesh_terms: D003086:Bacteriocin Plasmids; D003227:Conjugation, Genetic; D004926:Escherichia coli / Q000235:genetics*; D009154:Mutation; D010957:Plasmids; D011815:R Factors
vernacular_title: Recherche des groupes d'incompatibilité de quelques facteurs colicinogènes Ia.