title: Principles of a switch.
authors.affiliation: Ludwig Chair of Molecular Biology at Memorial Sloan-Kettering Cancer Center, New York, New York, USA. m-ptashne@mskcc.org
authors.forename: Mark
authors.initials: M
authors.lastname: Ptashne
mesh_terms: D010582:Bacteriophage lambda / Q000502:physiology*; D005075:Biological Evolution; D002468:Cell Physiological Phenomena; D004247:DNA / Q000378:metabolism*; D004279:DNA, Viral / Q000235:genetics; D044127:Epigenesis, Genetic; D018507:Gene Expression Regulation, Developmental / Q000502:physiology*; D015967:Gene Expression Regulation, Viral / Q000502:physiology*; D011485:Protein Binding; D014764:Viral Proteins / Q000235:genetics / Q000378:metabolism
chemical_list: D004279:DNA, Viral; D014764:Viral Proteins; D004247:DNA