title: Effect of spermine on number of crossing-over events in post-conjugational recombination in Escherichia coli K-12.
mesh_terms: D003227:Conjugation, Genetic; D003433:Crosses, Genetic; D003434:Crossing Over, Genetic / Q000187:drug effects*; D004926:Escherichia coli / Q000187:drug effects* / Q000235:genetics; D011995:Recombination, Genetic / Q000187:drug effects*; D013096:Spermine / Q000494:pharmacology*
chemical_list: D013096:Spermine