FIS class mutants such as medea (mea) show two distinct seed phenotypes; the growth of the central cell into endosperm in the absence of fertilization, and the arrest of the embryo at the heart stage of development following fertilization (Chaudhury et al., 1997). The embryo arrest can be rescued by pollination with a hypomethylated paternal gene (Vielle-Calzada et al., 1999; Luo et al., 2000; Vinkenoog et al., 2000). In this study, we show that reduced methylation of the female genome cannot rescue the fis embryo arrest phenotype.
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Luo, M., Luo, M., Berger, F., Dennis, E.S., Peacock, J.W., Chaudhury, A. (2007). DNA-METHYLTRANSFERASE 1 is a Member of FIS Polycomb Complex and is Involved in Seed Development in Arabidopsis. In: Xu, Z., Li, J., Xue, Y., Yang, W. (eds) Biotechnology and Sustainable Agriculture 2006 and Beyond. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-6635-1_16
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