A change in the cell wall status initiates the elimination of the nucellus in Arabidopsis
Wenjia Xu,
Dennys-Marcela Gomez-Paez,
Sandrine Choinard
et al.
Abstract:The evolution of the seed habit coincides with a change in the cell fate of the nucellus, the sporophytic tissue responsible for female meiosis. Seeds arose when the nucellus retained the female spores instead of releasing them in the environment. As a consequence, the nucellus was partially eliminated to accommodate the growth of the female gametophyte inside the sporophyte. With the evolution of angiosperm seeds, the process of nucellus elimination was requisitioned to allow the growth of the endosperm, the … Show more
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