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National Academy of Sciences, Proceedings of the National Academy of Sciences, 6(92), p. 1931-1935, 1995

DOI: 10.1073/pnas.92.6.1931

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opaque-15, a maize mutation with properties of a defective opaque-2 modifier.

Journal article published in 1995 by J. M. Dannenhoffer ORCID, D. E. Bostwick, E. Or, B. A. Larkins
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

An opaque mutation was identified that reduces gamma-zein synthesis in maize endosperm. The mutation, opaque-15, causes a 2- to 3-fold reduction in gamma-zein mRNA and protein synthesis and reduces the proportion of the 27-kDa gamma-zein A gene transcript. Although the protein bodies in opaque-15 are similar in size and morphology compared to wild type, there are fewer of them in developing endosperm cells. The opaque-15 mutation maps near the telomere of chromosome 7L, coincident with an opaque-2 modifier locus. Based on its phenotype, opaque-15 appears to be a mutation of an opaque-2 modifier gene.