title: A possible molecular basis for obligate host-pathogen interactions.
mesh_terms: D000818:Animals; D002843:Chromatin / Q000378:metabolism; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism; D004463:Ecology; D005796:Genes; D005816:Genetic Complementation Test; D010271:Parasites / Q000235:genetics / Q000502:physiology*; D010944:Plants / Q000469:parasitology; D014176:Protein Biosynthesis; D012313:RNA / Q000096:biosynthesis; D012260:Ribonucleases / Q000378:metabolism; D013698:Templates, Genetic; D014158:Transcription, Genetic; D014170:Transformation, Genetic
chemical_list: D002843:Chromatin; D012313:RNA; D012321:DNA-Directed RNA Polymerases; D012260:Ribonucleases