Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Primmorphs from seven marine sponges: formation and structure.

D Sipkema1, R van Wielink, A A M van Lammeren

  • 1Food and Bioprocess Engineering Group, Wageningen University, P.O. Box 8129, 6700 EV, Wageningen, The Netherlands. detmer.sipkema@algemeen.pk.wau.nl

Journal of Biotechnology
|November 9, 2002
PubMed
Summary

Marine sponge primmorphs form spheres and their size correlates with cell concentration. Antibiotics like amphotericin and a specific cocktail inhibited formation, while others did not affect primmorph development.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Host Evolutionary History Drives Prokaryotic Diversity in the Globally Distributed Sponge Family Petrosiidae.

Molecular ecology·2025
Same author

Concrete evidence: outplanted corals for reef restoration do not need extended curing of ordinary Portland cement.

Royal Society open science·2024
Same author

Muscle-only versus chimeric musculocutaneous gastrocnemius pedicled flap in complex orthoplastic reconstructions of the knee region: A retrospective study.

Journal of plastic, reconstructive & aesthetic surgery : JPRAS·2023
Same author

Impact of hydraulic retention time on community assembly and function of photogranules for wastewater treatment.

Water research·2020
Same author

Comparison of Cryopreservation Techniques for Cells of the Marine Sponge Dysidea etheria.

Cryo letters·2019
Same author

Selective and energy efficient extraction of functional proteins from microalgae for food applications.

Bioresource technology·2018

Area of Science:

  • Marine Biology
  • Cell Biology
  • Developmental Biology

Background:

  • Marine sponges possess remarkable regenerative capabilities.
  • Primorphs are self-organizing cell aggregates crucial for sponge regeneration.
  • Understanding primmorph formation is key to unlocking sponge developmental processes.

Purpose of the Study:

  • To investigate the formation process and ultrastructure of marine sponge primmorphs.
  • To determine the correlation between initial cell concentration and primmorph size.
  • To assess the impact of various antibiotics on primmorph formation.

Main Methods:

  • Obtaining primmorphs from seven different marine sponge species.
  • Utilizing scanning electron microscopy (SEM) for ultrastructural analysis.

Related Experiment Videos

  • Testing the effects of different antibiotic treatments on primmorph development.

    • Main Results:

    • A positive correlation was observed between initial sponge-cell concentration and primmorph size.
    • SEM revealed primmorphs as densely packed spheres with a continuous pinacoderm.
    • Amphotericin and a broad-spectrum antibiotic cocktail inhibited primmorph formation; other antibiotics had no significant effect.

    Conclusions:

    • Sponges' cell concentration directly influences primmorph size.
    • Specific antibiotics can inhibit primmorph formation, suggesting targeted molecular interactions.
    • Penicillin and streptomycin effectively control bacterial contamination without hindering primmorph development.