Differential gene expression profiling of one- and two-dimensional apogamous gametophytes of the fern Dryopteris affinis ssp. affinis

Wyder, Stefan; Rivera, Alejandro; Valdés, Ana E; Cañal, María Jesús; Gagliardini, Valeria; Fernández, Helena; Grossniklaus, Ueli

doi:10.1016/j.plaphy.2020.01.021

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Wyder, S., Rivera, A., Valdés, A. E., Cañal, M. J., Gagliardini, V., Fernández, H., & Grossniklaus, U. (2020). Differential gene expression profiling of one- and two-dimensional apogamous gametophytes of the fern Dryopteris affinis ssp. affinis. Plant Physiology and Biochemistry, 148, 302–311. https://doi.org/10.1016/j.plaphy.2020.01.021

Abstract

Apomixis was originally defined as the replacement of sexual reproduction by an asexual process that does not involve fertilization but, in angiosperms, it is often used in the more restricted sense of asexual reproduction through seeds. In ferns, apomixis combines the production of unreduced spores (diplospory) and the formation of sporophytes from somatic cells of the prothallium (apogamy). The genes that control the onset of apogamy in ferns are largely unknown. In this study, we describe the gametophyte transcriptome of the apogam