SEPALLATA MADS transcription factors act as key regulators in fertilization efficiency, ovule outer integument growth and mucilage secretory cell differentiation in Arabidopsis
Aline Janeau, Léa Rambaud-Lavigne, Nicola Babolin, Michel Paul, Anaïs Michaud, Lorène Masson, Jérémy Lucas, Charles P. Scutt, François Parcy, Lucia Colombo A, Chloé Zubieta, Véronique Hugouvieux
This study shows that SEP3 MADS transcription factors are crucial for ovule outer integument growth and mucilage secretion in Arabidopsis, identified through a DNA-binding domain-deleted SEP3 variant.
bioRxiv · Aug 24, 2026 · PreprintPlant Biology