Organogenic events during gynoecium and fruit development in Arabidopsis

Ramos-Pulido, Juan; de Folter, Stefan

doi:10.1016/j.pbi.2023.102440

Cited by 2 publications

References 63 publications

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A high-resolution gene expression map of the medial and lateral domains of the gynoecium of Arabidopsis

Luna-García,

Bernal Gallardo,

Rethoret-Pasty

et al. 2023

Plant Physiology

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Angiosperms are characterized by the formation of flowers, and in their inner floral whorl, one or various gynoecia are produced. These female reproductive structures are responsible for fruit and seed production, thus ensuring the reproductive competence of angiosperms. In Arabidopsis (Arabidopsis thaliana), the gynoecium is composed of two fused carpels with different tissues that need to develop and differentiate to form a mature gynoecium and thus the reproductive competence of Arabidopsis. For these reasons, they have become the object of study for floral and fruit development. However, due to the complexity of the gynoecium, specific spatio-temporal tissue expression patterns are still scarce. In this study, we used precise laser-assisted microdissection and high-throughput RNA sequencing to describe the transcriptional profiles of the medial and lateral domain tissues of the Arabidopsis gynoecium. We provide evidence that the method used is reliable and that, in addition to corroborating gene expression patterns of previously reported regulators of these tissues, we found genes whose expression dynamics point to being involved in cytokinin and auxin homeostasis and in cell cycle progression. Furthermore, based on differential gene expression analyses, we functionally characterized several genes and found that they are involved in gynoecium development. This resource is available via the Arabidopsis eFP browser and will serve the community in future studies on developmental and reproductive biology.

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A high-resolution gene expression map of the medial and lateral domains of the gynoecium of Arabidopsis

Luna-García,

Bernal Gallardo,

Rethoret-Pasty

et al. 2023

Plant Physiology

View full text Add to dashboard Cite

show abstract

A high-resolution gene expression atlas of the medial and lateral domains of the gynoecium of Arabidopsis

Luna-García,

Bernal Gallardo,

Rethoret-Pasty

et al. 2023

Preprint

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Angiosperms are characterized by the formation of flowers, and in their inner floral whorl, one or various gynoecia are produced. These female reproductive structures are responsible for fruit and seed production, thus ensuring the reproductive competence of angiosperms. In Arabidopsis thaliana, the gynoecium is composed of two fused carpels with different tissues that need to develop and differentiate to consolidate a mature gynoecium and thus the reproductive competence of Arabidopsis. For these reasons, they have become the object of study for floral and fruit development. However, due to the complexity of the gynoecium, specific spatio-temporal tissues expression patterns are still scarce. In this study, we used precise laser-assisted microdissection and high-throughput RNA sequencing to describe the transcriptional profiles of the medial and lateral domain tissues of the Arabidopsis gynoecium. We provide evidence that the method used is reliable and that, in addition to corroborating gene expression patterns of previously reported regulators of these tissues, we found genes whose expression dynamics point to being involved in cytokinin and auxin homeostasis and in cell cycle progression. Furthermore, based on differential gene expression analyses, we functionally characterized several genes and found that they are involved in gynoecium development. This new resource is available via the Arabidopsis eFP browser and will serve the community in future studies on developmental and reproductive biology.

show abstract

Organogenic events during gynoecium and fruit development in Arabidopsis

Cited by 2 publications

References 63 publications

A high-resolution gene expression map of the medial and lateral domains of the gynoecium of Arabidopsis

A high-resolution gene expression map of the medial and lateral domains of the gynoecium of Arabidopsis

A high-resolution gene expression atlas of the medial and lateral domains of the gynoecium of Arabidopsis

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