Gynoecium and fruit development in <i>Arabidopsis</i>

Herrera-Ubaldo, Humberto; Folter, Stefan de

doi:10.1242/dev.200120

Cited by 25 publications

(32 citation statements)

References 157 publications

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“…Style and stigma form towards the end of the patterning phase of gynoecium development, thus a transition in symmetry, from bilateral to radial, takes place during a specific developmental window and at the distal-apical end of the growing organ. This fascinating process is controlled by key TFs and hormonal dynamic cross-talks [54]. The phytohormone auxinwhose levels are finely regulated to orchestrate plant development [55] plays a central role in the bilateral-to-radial gynoecium symmetry transition.…”

Section: Symmetry Within Floral Organs: the Gynoecium Casementioning

confidence: 99%

Floral symmetry: the geometry of plant reproduction

Jiang

Moubayidin

2022

Emerging Topics in Life Sciences

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The flower is an astonishing innovation that arose during plant evolution allowing flowering plants — also known as angiosperms — to dominate life on earth in a relatively short period of geological time. Flowers are formed from secondary meristems by co-ordinated differentiation of flower organs, such as sepals, petals, stamens, and carpels. The position, number and morphology of these flower organs impose a geometrical pattern — or symmetry type — within the flower which is a trait tightly connected to successful reproduction. During evolution, flower symmetry switched from the ancestral poly-symmetric (radial symmetry) to the mono-symmetric (bilateral symmetry) type multiple times, including numerous reversals, with these events linked to co-evolution with pollinators and reproductive strategies. In this review, we introduce the diversity of flower symmetry, trace its evolution in angiosperms, and highlight the conserved genetic basis underpinning symmetry control in flowers. Finally, we discuss the importance of building upon the concept of flower symmetry by looking at the mechanisms orchestrating symmetry within individual flower organs and summarise the current scenario on symmetry patterning of the female reproductive organ, the gynoecium, the ultimate flower structure presiding over fertilisation and seed production.

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Section: Symmetry Within Floral Organs: the Gynoecium Casementioning

confidence: 99%

Floral symmetry: the geometry of plant reproduction

Jiang

Moubayidin

2022

Emerging Topics in Life Sciences

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“…Ці зміни детально вивчаються переважно у рослин з їстівними плодами та у модельних видів (Arabidopsis thaliana (L.) Heynh. тощо) в дослідженнях генетичної регуляції морфогенезу (Eldridge et al, 2016;Herrera-Ubaldo, de Folter, 2022).…”

Section: зміна морфологічної структури гінецею та опадання позаматочк...unclassified

“…Подібні процеси забезпечують і "механізм розкривання" плоду, який може реалізовуватись за участі різних гістологічних структур (Roth, 1977;Bobrov et al, 2009). Питання генетичної регуляції морфогенезу плоду та забезпечення його розкривання добре вивчено лише на прикладі Arabidopsis thaliana та декількох інших модельних видів (Ferrándiz et al, 1999;Ferrándiz, 2002;Robles, Pelaz, 2005;Arnaud et al, 2010;Ferrándiz, Fourquin, 2014;Herrera-Ubaldo, de Folter, 2022).…”

Section: термінальні етапи морфогенезу плодуunclassified

Morphogenesis of fruit as a subject matter for the carpological studies

Odintsova¹

2022

Ukr. Bot. J.

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In this review, the concept of fruit morphogenesis is treated in the context of implementation of the evo-devo approach in carpology. A new viewpoint on the fruit morphogenesis is proposed and justified, comprising the pre-anthetic, as well as post-anthetic periods of fruit development, id est, development of the gynoecium, and development of the fruit itself. It is proposed to recognize ontogenetical (individual) and evolutionary (historical) aspects of fruit morphogenesis, the first of them we can study directly, while the second aspect can be only hypothesized or treated as a theoretical model of fruit evolution in consequence of some presumed changes in the individual fruit morphogenesis. In this article these aspects are named as "ontomorphogenesis" and "phylomorphogenesis" of the fruit, correspondingly. Our concept of ontomorphogenesis of the fruit involves four components that could not be brought together, such as changes in the morphological structure of the gynoecium, abscission of the extragynecial floral parts and the style, histogenesis of the fruit wall and other fruit parts, and terminal stages of the fruit morphogenesis (dehiscence, splitting, or abscission). The current state of studies of these components in the individual and evolutionary contexts is discussed. By examining the patterns of fruit evolution, we should consider factors acting at both the post-anthetic and pre-anthetic periods of fruit ontomorphogenesis.

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“…In angiosperm fruit, locules are the chamber surrounding the pericarp that contains the seeds. Locules are derived from the fusion of carpels, the innermost whorls of a flower and the female reproductive structure (Herrera‐Ubaldo & de Folter, 2022 ). During Brassicaceae flower development, carpels fuse into a cylindrical gynoecium separated by thin septa that form locules.…”

Section: Introductionmentioning

confidence: 99%

A novel CLAVATA1 mutation causes multilocularity in Brassica rapa

2023

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Locules are the seed‐bearing structure of fruits. Multiple locules are associated with increased fruit size and seed set, and therefore, control of locule number is an important agronomic trait. Locule number is controlled in part by the CLAVATA‐WUSCHEL pathway. Disruption of either the CLAVATA1 receptor‐like kinase or its ligand CLAVATA3 can cause larger floral meristems and an increased number of locules. In an EMS mutagenized population of Brassica rapa , we identified a mutant allele that raises the number of locules from four to a range of from six to eight. Linkage mapping and genetic analysis support that the mutant phenotype is due to a missense mutation in a CLAVATA 1 ( CLV1 ) homolog. In addition to increased locule number, additional internal gynoecia are formed in brclv1 individuals, suggesting a failure to terminate floral meristem development, which results in decreased seed production.

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Gynoecium and fruit development in Arabidopsis

Cited by 25 publications

References 157 publications

Floral symmetry: the geometry of plant reproduction

Floral symmetry: the geometry of plant reproduction

Morphogenesis of fruit as a subject matter for the carpological studies

A novel CLAVATA1 mutation causes multilocularity in Brassica rapa

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