Auxin regulation of embryo development

Alejandra Freire Rios, Saiko Yoshida, Dolf Weijers*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

4 Citations (Scopus)


Important steps in plant development are made shortly after fertilization. In a brief succession of cell divisions, the zygote is transformed into an embryo, a multicellular structure carrying all fundamental tissue types and the meristems. Hence, embryogenesis offers excellent opportunities to dissect the molecular control and cellular mechanisms underlying plant development. In the past decades, forward and reverse genetics studies have revealed that the plant hormone auxin plays a central role in the establishment of pattern and polarity in the Arabidopsis embryo. Here, we review the roles that localized auxin biosynthesis, directional transport and cell type-specific response play in embryo development. We focus on the molecular mechanisms, as well as the feedbacks that connect these disparate levels of regulation. Finally, we discuss the potential for hormonal cross-talk in auxin-dependent control of the key events during the earliest, formative phase of plant life.

Original languageEnglish
Title of host publicationAuxin and Its Role in Plant Development
Place of PublicationVianna
Number of pages19
ISBN (Electronic)9783709115268
ISBN (Print)9783709115251
Publication statusPublished - 1 Apr 2014


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