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Related Experiment Video

Updated: May 28, 2026

High Throughput Microinjections of Sea Urchin Zygotes
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High Throughput Microinjections of Sea Urchin Zygotes

Published on: January 21, 2014

Expression pattern of polyketide synthase-2 during sea urchin development.

Adam Beeble1, Cristina Calestani

  • 1Department of Biology, University of Central Florida, Orlando, FL 32816, USA.

Gene Expression Patterns : GEP
|October 18, 2011
PubMed
Summary

This study tracks the expression of polyketide synthases 2 (pks2) in sea urchin development. Pks2 is primarily found in developing skeleton-building cells, with expression peaking early and then declining.

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Area of Science:

  • Marine Biology
  • Developmental Biology
  • Molecular Biology

Background:

  • Polyketide synthases (PKSs) are crucial proteins for synthesizing polyketide compounds.
  • Polyketides exhibit diverse biological roles, including antibiotic and defense functions.
  • The sea urchin genome contains two PKS genes, including pks2.

Purpose of the Study:

  • To investigate the developmental expression pattern of the pks2 gene in sea urchin embryos.
  • To identify the specific cell types and developmental stages where pks2 is expressed.

Main Methods:

  • Analysis of pks2 gene expression during sea urchin embryonic development.
  • Transcriptional profiling at different developmental stages (blastula, hatched blastula, prism stage).

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The Power of Simplicity: Sea Urchin Embryos as in Vivo Developmental Models for Studying Complex Cell-to-cell Signaling Network Interactions
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The Power of Simplicity: Sea Urchin Embryos as in Vivo Developmental Models for Studying Complex Cell-to-cell Signaling Network Interactions

Published on: February 16, 2017

From a Natural Product to Its Biosynthetic Gene Cluster: A Demonstration Using Polyketomycin from Streptomyces diastatochromogenes Tü6028
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From a Natural Product to Its Biosynthetic Gene Cluster: A Demonstration Using Polyketomycin from Streptomyces diastatochromogenes Tü6028

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Related Experiment Videos

Last Updated: May 28, 2026

High Throughput Microinjections of Sea Urchin Zygotes
12:40

High Throughput Microinjections of Sea Urchin Zygotes

Published on: January 21, 2014

The Power of Simplicity: Sea Urchin Embryos as in Vivo Developmental Models for Studying Complex Cell-to-cell Signaling Network Interactions
07:34

The Power of Simplicity: Sea Urchin Embryos as in Vivo Developmental Models for Studying Complex Cell-to-cell Signaling Network Interactions

Published on: February 16, 2017

From a Natural Product to Its Biosynthetic Gene Cluster: A Demonstration Using Polyketomycin from Streptomyces diastatochromogenes Tü6028
09:08

From a Natural Product to Its Biosynthetic Gene Cluster: A Demonstration Using Polyketomycin from Streptomyces diastatochromogenes Tü6028

Published on: January 13, 2017

Main Results:

  • pks2 expression was exclusively observed in skeletogenic cells and their precursors.
  • Expression was first detected at the blastula stage and peaked at the hatched blastula stage.
  • Expression levels decreased over time, becoming restricted to a few oral skeletogenic cells by the prism stage.

Conclusions:

  • The developmental expression of pks2 in sea urchins is tightly linked to skeletogenesis.
  • pks2 plays a specific role in the development of the sea urchin skeleton.