Genetic analysis of methionine-rich storage protein accumulation in maize

M. S. Benner, R. L. Phillips, J. A. Kirihara, J. W. Messing

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Experiments were conducted to determine the chromosomal location of the gene conditioning overproduction of a methionine-rich, 10-K zein in maize kernels of line BSSS53. In addition, the chromosomal location of the structural gene encoding the overproduced protein was determined. Whereas the structural gene, designated Zps10/(22), was found to be located on the long arm of chromosome 9 near the centromere, the locus regulating overproduction of the zein protein was mapped to the short arm of chromosome 4. This regulatory gene has been designated Zpr10/(22). Regulation of 10-K zein production by Zpr10/(22) is, therefore, via a trans-acting mechanism.

Original languageEnglish (US)
Pages (from-to)761-767
Number of pages7
JournalTheoretical and Applied Genetics
Issue number6
StatePublished - Dec 1 1989


  • Protein isoelectric focusing (IEF)
  • Restriction fragment length polymorphism (RFLP) mapping
  • Trans-acting factors
  • Zea mays L.
  • Zein


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