Altering hemoglobin levels changes energy status in maize cells under hypoxia.

  title={Altering hemoglobin levels changes energy status in maize cells under hypoxia.},
  author={Alex Sowa and Stephen M. G. Duff and Philippe Alexandre Guy and Robert D Hill},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={95 17},
Nonsymbiotic hemoglobins are broadly present across the plant kingdom; however, the function of these proteins is unknown. Cultured maize cells have been transformed to constitutively express a barley hemoglobin gene in either the sense (HB+) or antisense (HB-) orientation. Hemoglobin protein in the transformed cell lines correspondingly was higher or lower than in wild-type cells under normal atmospheric conditions. Limiting oxygen availability, by placing the cells in a nitrogen atmosphere… CONTINUE READING


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