Article
A defective signal peptide in a 19-kD alpha-zein protein causes the unfolded protein response and an opaque endosperm phenotype in the maize De*-B30 mutant.
Plant physiology - 1 Jan 2004
Kim Cheol Soo, Hunter Brenda G, Kraft Jeffery, Boston Rebecca S, Yans Sarah, Jung Rudolf, Larkins Brian A
Abstract excerpt
Defective endosperm* (De*)-B30 is a dominant maize (Zea mays) mutation that depresses zein synthesis in the developing endosperm. The mutant kernels have an opaque, starchy phenotype, malformed zein protein bodies, and highly increased levels of binding protein and other chaperone proteins in the endosperm. Immunoblotting revealed a novel alpha-zein protein in De*-B30 that migrates between the 22- and 19-kD...
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