title: Novel classes of mutants of the cyanobacterium Nostoc muscorum showing absolute requirement of Cs1 or Rb1 for diazotrophy.
authors.affiliation: Department of Microbiology, Barkatullah University, Bhopal-462026, India. santoshbhargava@hotmail.com
authors.forename: Santosh
authors.initials: S
authors.lastname: Bhargava
authors.forename: Hriday N
authors.initials: HN
authors.lastname: Singh
mesh_terms: D002586:Cesium / Q000378:metabolism*; D000458:Cyanobacteria / Q000145:classification / Q000235:genetics / Q000254:growth & development / Q000378:metabolism*; D015964:Gene Expression Regulation, Bacterial; D009154:Mutation; D009586:Nitrogen Fixation; D009591:Nitrogenase / Q000378:metabolism; D000644:Quaternary Ammonium Compounds / Q000378:metabolism*; D012413:Rubidium / Q000378:metabolism*
chemical_list: D000644:Quaternary Ammonium Compounds; D002586:Cesium; D009591:Nitrogenase; D012413:Rubidium