The arm of the starfish: The far-reaching applications of Patiria miniata as a model system in evolutionary, developmental, and regenerative biology

Meyer, Anne S.; Hinman, Veronica F.

doi:10.1016/bs.ctdb.2022.01.006

Cited by 5 publications

(5 citation statements)

References 75 publications

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“…2021 ; Wolff and Hinman 2021 ; Czarkwiani et al . 2022 ; McClay 2022 ; Meyer and Hinman 2022 ; Zheng et al . 2022 ), germ cell specification ( Fresques and Wessel 2018 ; Foster et al .…”

Section: Introductionunclassified

Echinobase: a resource to support the echinoderm research community

Telmer,

Karimi,

Chess

et al. 2024

Genetics

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Echinobase (www.echinobase.org) is a model organism knowledgebase serving as a resource for the community that studies echinoderms, a phylum of marine invertebrates that includes sea urchins and sea stars. Echinoderms have been important experimental models for over 100 years and continue to make important contributions to environmental, evolutionary, and developmental studies, including research on developmental gene regulatory networks. As a centralized resource, Echinobase hosts genomes and collects functional genomic data, reagents, literature, and other information for the community. This third-generation site is based on the Xenbase knowledgebase design and utilizes gene-centric pages to minimize the time and effort required to access genomic information. Summary gene pages display gene symbols and names, functional data, links to the JBrowse genome browser, and orthology to other organisms and reagents, and tabs from the Summary gene page contain more detailed information concerning mRNAs, proteins, diseases, and protein–protein interactions. The gene pages also display 1:1 orthologs between the fully supported species Strongylocentrotus purpuratus (purple sea urchin), Lytechinus variegatus (green sea urchin), Patiria miniata (bat star), and Acanthaster planci (crown-of-thorns sea star). JBrowse tracks are available for visualization of functional genomic data from both fully supported species and the partially supported species Anneissia japonica (feather star), Asterias rubens (sugar star), and L. pictus (painted sea urchin). Echinobase serves a vital role by providing researchers with annotated genomes including orthology, functional genomic data aligned to the genomes, and curated reagents and data. The Echinoderm Anatomical Ontology provides a framework for standardizing developmental data across the phylum, and knowledgebase content is formatted to be findable, accessible, interoperable, and reusable by the research community.

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“…2021 ; Wolff and Hinman 2021 ; Czarkwiani et al . 2022 ; McClay 2022 ; Meyer and Hinman 2022 ; Zheng et al . 2022 ), germ cell specification ( Fresques and Wessel 2018 ; Foster et al .…”

Section: Introductionunclassified

Echinobase: a resource to support the echinoderm research community

Telmer,

Karimi,

Chess

et al. 2024

Genetics

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“…P. miniata embryos are transparent (Arnone et al, 2015; Meyer and Hinman, 2022; Newman, 1922), develop freely in sea water (Arnone et al, 2015; Meyer and Hinman, 2022; Newman, 1922) and can be imaged live for extended periods of time (Barone and Lyons, 2022; Perillo et al, 2023; Swartz et al, 2021). When fertilisation occurs, the fertilisation envelope is raised, the zygote undergoes holoblastic cleavage and then develops into an approximately spherical blastula (Arnone et al, 2015; Barone et al, 2022; Dan-Sohkawa, 1976; Kominami, 1983), with a blastocoel encircled by a monolayered epithelium (Arnone et al, 2015; Barone and Lyons, 2022; Dan-Sohkawa, 1976; Kominami, 1983).…”

Section: Introductionmentioning

confidence: 99%

Local and global changes in cell density induce reorganisation of 3D packing in a proliferating epithelium

Barone,

Tagua,

Andrés-San Román

et al. 2024

Preprint

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Tissue morphogenesis is intimately linked to the changes in shape and organisation of individual cells. In curved epithelia, cells can intercalate along their own apicobasal axes adopting a shape named 'scutoid' that allows energy minimization in the tissue. Although several geometric and biophysical factors have been associated with this 3D reorganisation, the dynamic changes underlying scutoid formation in 3D epithelial packing remain poorly understood. Here we use live-imaging of the sea star embryo coupled with deep learning-based segmentation, to dissect the relative contributions of cell density, tissue compaction, and cell proliferation on epithelial architecture. We find that tissue compaction, which naturally occurs in the embryo, is necessary for the appearance of scutoids. Physical compression experiments identify cell density as the factor promoting scutoid formation at a global level. Finally, the comparison of the developing embryo with computational models indicates that the increase in the proportion of scutoids is directly associated with cell divisions. Our results suggest that apico-basal intercalations appearing just after mitosis may help accommodate the new cells within the tissue. We propose that proliferation in a compact epithelium induces 3D cell rearrangements during development.

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“…P. miniata embryos are transparent ( Arnone et al, 2015 ; Meyer and Hinman, 2022 ; Newman, 1922 ), develop freely in sea water ( Arnone et al, 2015 ; Meyer and Hinman, 2022 ; Newman, 1922 ) and can be imaged live for extended periods of time ( Barone and Lyons, 2022 ; Perillo et al, 2023 ; Swartz et al, 2021 ). When fertilisation occurs, the fertilisation envelope is raised, the zygote undergoes holoblastic cleavage and then develops into an approximately spherical blastula ( Arnone et al, 2015 ; Barone et al, 2022 ; Dan-Sohkawa, 1976 ; Kominami, 1983 ), with a blastocoel encircled by a monolayered epithelium ( Arnone et al, 2015 ; Barone and Lyons, 2022 ; Dan-Sohkawa, 1976 ; Kominami, 1983 ).…”

Section: Introductionmentioning

confidence: 99%

Local and global changes in cell density induce reorganisation of 3D packing in a proliferating epithelium

Barone,

Tagua,

Román

et al. 2024

Development

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Tissue morphogenesis is intimately linked to the changes in shape and organisation of individual cells. In curved epithelia, cells can intercalate along their own apicobasal axes adopting a shape named “scutoid” that allows energy minimization in the tissue. Although several geometric and biophysical factors have been associated with this 3D reorganisation, the dynamic changes underlying scutoid formation in 3D epithelial packing remain poorly understood. Here we use live-imaging of the sea star embryo coupled with deep learning-based segmentation, to dissect the relative contributions of cell density, tissue compaction, and cell proliferation on epithelial architecture. We find that tissue compaction, which naturally occurs in the embryo, is necessary for the appearance of scutoids. Physical compression experiments identify cell density as the factor promoting scutoid formation at a global level. Finally, the comparison of the developing embryo with computational models indicates that the increase in the proportion of scutoids is directly associated with cell divisions. Our results suggest that apico-basal intercalations appearing just after mitosis may help accommodate the new cells within the tissue. We propose that proliferation in a compact epithelium induces 3D cell rearrangements during development.

show abstract

The arm of the starfish: The far-reaching applications of Patiria miniata as a model system in evolutionary, developmental, and regenerative biology

Cited by 5 publications

References 75 publications

Echinobase: a resource to support the echinoderm research community

Echinobase: a resource to support the echinoderm research community

Local and global changes in cell density induce reorganisation of 3D packing in a proliferating epithelium

Local and global changes in cell density induce reorganisation of 3D packing in a proliferating epithelium

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