Post-transcriptional regulation of plant ferritin accumulation in response to iron as observed in the maize mutantys1

Abstract
The maize mutant ys1 accumulates iron in leaves to a lower extent than a Fe-efficient genotype. In this mutant, ferritin mRNA accumulates in response to iron to a similar level as in other genotypes. However, ferritin protein and mRNA abundance does not correlate in ys1 leaves, demonstrating that iron also controls plant ferritin protein accumulation at the posttranscriptional level.