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Expression of parental histone genes in the intergeneric hybrid Triticale hexaploide

Nature volume 259, pages 418–420 (1976)Cite this article

Abstract

Triticale hexaploide, the intergeneric hybrid resulting from the cross of diploid rye (Secale cereale) and tetraploid wheat (Triticum durum), offers a unique opportunity for the study of the expression of genes which are derived from two dissimilar organisms but exist together in the same cells. I have investigated the expression of histone genes in triticale because the histones are an extensively studied class of proteins with individual components which range from being highly conservative in an evolutionary sense to being probably species specific. For example, the sequence of histone F2a1 from peas and cows differs in only two of 102 amino acids1, whereas different species of sea urchin have F1 histones of different electrophoretic mobilities2. I have found that in wheat, rye and triticale the evolutionarily conservative histones seem to be identical. There are, however, differences in the F1 histones of wheat and rye, and the gene for one of the wheat F1 histones is not expressed in the hybrid triticale.

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Author notes

  1. STEVEN SPIKER

    Present address: Department of Biochemistry and Biophysics, Oregon State University, Corvallis, Oregon, 97331

Authors and Affiliations

  1. Botany Department, University of Georgia, Athens, Georgia, 30602

    STEVEN SPIKER

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  1. STEVEN SPIKER
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SPIKER, S. Expression of parental histone genes in the intergeneric hybrid Triticale hexaploide. Nature 259, 418–420 (1976). https://doi.org/10.1038/259418a0

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  • DOI: https://doi.org/10.1038/259418a0

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