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Plant Cell Monographs
Plant cells exposed to anaerobic stress generate copious amounts of the gaseous free radical nitric oxide (NO). At this time, the concomitant expression of the ubiquitous class 1 plant hemoglobins establishes one component of a soluble terminal NO dioxygenase system, which yields nitrate ions via reaction of oxyhemoglobin with NO. Class 1 hemoglobin expression also enhances the cellular energy status, redox status, and NO metabolism of plant cells exposed to hypoxic stress. The ability of classdoi:10.1007/7089_2006_096 fatcat:gqugsson7zdyzeac7b53uh5by4