title: Sensor sensationalism? Alternative views on the nature and role of 'cytochrome a1' in bacteria.
abstract: Replying to a recent proposal that 'cytochrome a1' functions as an oxygen sensor, we argue that this speculation is flawed by the failure to appreciate that cytochrome a1-like haemoproteins are a diverse group of haemoproteins.
mesh_terms: D001419:Bacteria / Q000378:metabolism*; D003580:Cytochromes / Q000502:physiology*; D045263:Cytochromes a1
chemical_list: D003580:Cytochromes; D045263:Cytochromes a1