Abstract
Many of the regulatory genes involved in the control of development share a common sequence element of 180 bp, the homeobox (HB), which encodes a 60 amino acid motif, the homeodomain (HD; Scott et al., 1989; Gehring et al., 1990). The amino acid sequences of known HDs are conserved in evolution from yeast to higher vertebrates (Scott et al., 1989). Recently HB genes have been identified in two plant species, maize (Vollbrecht et al., 1991; Bellmann and Werr, 1992) and Arabidopsis (Ruberti et al., 1991). Despite the differences in plant and animal development the discovery of homeobox genes in plants suggests that fundamental regulatory mechanisms that control development may be shared among all higher eukaryotes. The analysis of the maize kn1 mutants has shown that ectopic expression of the knotted gene profoundly affects leaf development, suggesting that HD proteins in plants might be involved in differentiation and/or developmental control as they are in animals (Hake, 1992).
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© 1994 Springer-Verlag Berlin Heidelberg
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Sessa, G., Carabelli, M., Ruberti, I., Lucchetti, S., Baima, S., Morelli, G. (1994). Identification of Distinct Families of HD-ZIP Proteins in Arabidopsis Thaliana . In: Coruzzi, G., Puigdomènech, P. (eds) Plant Molecular Biology. NATO ASI Series, vol 81. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-78852-9_39
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DOI: https://doi.org/10.1007/978-3-642-78852-9_39
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