Spheroplast production in thymine starvation.
D002462:Cell Membrane; D003470:Culture Media; D003593:Cytoplasm; D004926:Escherichia coli; D009154:Mutation; D009995:Osmosis; D010406:Penicillins / Q000494:pharmacology; D011523:Protoplasts; D013941:Thymine / Q000494:pharmacology*
D003470:Culture Media; D010406:Penicillins; D013941:Thymine