Gene Details:

Functional Descriptions:

  • We report here the positional cloning of Gpc-B1, a wheat quantitative trait locus associated with increased grain protein.
  • Complete linkage of the 7.4-kb region with the different phenotypes suggests that Gpc-B1 is a single gene with multiple pleiotropic effects.
  • The ancestral wild wheat allele encodes a NAC transcription factor (NAM-B1) that accelerates senescence and increases nutrient remobilization from leaves to developing grains, whereas modern wheat varieties carry a nonfunctional NAM-B1 allele.
  • Reduction in RNA levels of the multiple NAM homologs by RNA interference delayed senescence by more than 3 weeks and reduced wheat grain protein, zinc, and iron content by more than 30%.

Literature:

Gene Resources:

Sequences:

cDNA Sequence
CDS Sequence
Protein Sequence