title: Ethionine-resistant Chlorella mutants.
mesh_terms: D002708:Chlorella / Q000187:drug effects* / Q000378:metabolism; D003545:Cysteine / Q000378:metabolism; D004352:Drug Resistance, Microbial; D005001:Ethionine / Q000494:pharmacology*; D005787:Gene Frequency; D008433:Mathematics; D008715:Methionine / Q000378:metabolism; D008938:Mitosis / Q000187:drug effects; D009154:Mutation; D013045:Species Specificity
chemical_list: D008715:Methionine; D003545:Cysteine; D005001:Ethionine