Lineage tracing shows that cell size asymmetries predict the ...
2022年8月15日 · Using confocal live imaging of early embryos we quantified cell size asymmetries in 16-cell stage embryos of two sea star species, Patiria miniata and Patiriella regularis. Using photoconversion to perform lineage tracing, we find that the position of the smallest cells of P. miniata embryos is biased toward anterior ventral tissues.
Molecular mechanisms of tubulogenesis revealed in the sea star …
2023年5月9日 · Here, we take advantage of the sea star Patiria miniata as a powerful system to study tubulogenesis within an intact organism. The sea star larva is genetically tractable, optically...
Sea Star Embryos Spin Into a Formation That's Just Like a Living ...
2022年7月16日 · Once the baby sea stars form the floating, living crystal structure it holds itself together for days before the embryos' development changes them enough to shatter the pattern. Understanding these animate physical properties better could help us develop new technologies.
Developmental transcriptomes of the sea star, Patiria miniata ...
2019年11月7日 · Sea star embryo cultures and RNA extraction. Adult P. miniata sea stars were obtained in Long Beach, California, from Peter Halmay. Embryos were cultured at 15 °C in artificial sea...
Study Pinpoints Cellular Response to Pressure in Sea Star Embryos
2024年5月7日 · In the new study, the researchers used a combination of live imaging of sea star embryo development, detailed image analysis, and computational modeling to show that cells also become scutoids in other, much more common, circumstances.
Systematic comparison of sea urchin and sea star developmental …
2020年12月4日 · Here we assemble a comprehensive GRN for endomesoderm specification in the sea star from zygote through gastrulation that corresponds to the GRN for sea urchin development of equivalent...
Study pinpoints cellular response to pressure in sea star embryos
2024年5月8日 · The study is notable for its use of marine embryos—specifically the embryo of the sea star Patiria miniata—to understand how cells cope with changes in their physical environment.
Single-cell RNA-sequencing analysis of early sea star development
2022年11月18日 · Sea star embryos were cultured to six key developmental stages; 8 h post-fertilization (hpf), 10 hpf, 14 hpf, blastula (B), early gastrula and mid-gastrula (MG) stage, at which point they were dissociated, processed for single-cell RNA-sequencing (scRNA-seq) via Drop-seq, and aligned to the P. miniata genome (Macosko et al., 2015).
Lineage tracing shows that cell size asymmetries predict the ...
2022年8月15日 · Here we answer these questions for the sea star embryo, using a combination of high-resolution live imaging, lineage tracing and micromanipulations to quantify cell size asymmetries and their role in axis formation.
Origin and development of the germ line in sea stars
2014年3月19日 · The origin of the germ line in many sea stars appears to be within the posterior coelom (Inoue, 1992). In sea star embryos, coelomic pouch formation begins during late gastrulation. Chia and Walker distill the diverse developmental patterns used by asteroids to develop their various coeloms into three general systems (Fig. 5).