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

Oocyte development in Hydra involves selection from competent precursor cells.

M A Miller1, U Technau, K M Smith

  • 1Department of Biological Chemistry, University of California, Irvine 92697, USA.

Developmental Biology
|August 6, 2000
PubMed
Summary
This summary is machine-generated.

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

Relationships between physically effective undegraded neutral detergent fiber and rumen fermentable starch in diets for lactating Holstein dairy cows.

Journal of dairy science·2026
Same author

Use of milk proteins as biomarkers of changes in the rumen metaproteome of Holstein cows fed low-fiber, high-starch diets.

Journal of dairy science·2023
Same author

Influence of dietary carbohydrate profile on the dairy cow rumen meta-proteome.

Journal of dairy science·2022
Same author

A repeating fast radio burst source in a globular cluster.

Nature·2022
Same author

Potential predictive biomarkers of adalimumab response in patients with hidradenitis suppurativa.

The British journal of dermatology·2021
Same author

A repeating fast radio burst source localized to a nearby spiral galaxy.

Nature·2020
Same journal

Coming full circle: Neural crest marker FOXD3 regulates SHH expression in the floorplate and neural tube morphogenesis.

Developmental biology·2026
Same journal

The oocytes of basal dermapterans lack the posterior pole lysosomal compartment (PPLC).

Developmental biology·2026
Same journal

A central role for Islr2 (Linx) in direct pathway striatal projection neurons for the correct formation of the internal capsule and cerebral peduncle.

Developmental biology·2026
Same journal

Shared candidate genes associated with variation in egg size in cold-adapted and artificially selected Drosophila melanogaster.

Developmental biology·2026
Same journal

The molecular mechanism underlying melatonin-mediated repair of ovarian damage in mice exposed to abnormal light cycles.

Developmental biology·2026
Same journal

The Drosophila ovarian terminal filament imports lipophilic molecules that support cyst and follicle development within the ovariole.

Developmental biology·2026
See all related articles

Oocyte development in Hydra involves precursor cells differentiating into oocytes and nurse cells. The oocyte regulates nurse cell apoptosis, preventing their degradation and ensuring successful reproduction.

Area of Science:

  • Developmental Biology
  • Cell Biology
  • Evolutionary Biology

Background:

  • Hydra vulgaris, a model organism from an ancient metazoan lineage, offers insights into fundamental biological processes.
  • Understanding oocyte development is crucial for comprehending reproductive strategies in early diverging animals.

Purpose of the Study:

  • To elucidate the mechanism of oocyte determination and differentiation in Hydra vulgaris.
  • To investigate the role of the oocyte in regulating nurse cell fate and apoptosis.
  • To propose a novel model for oocyte development in Hydra.

Main Methods:

  • Experimental manipulation of oocyte presence in the egg field.
  • Observation of nurse cell differentiation and apoptosis.
  • Analysis of cell-cell interactions and signaling pathways involved in differentiation.

Related Experiment Videos

Main Results:

  • Oocyte determination involves a specific subset of precursor interstitial cells.
  • Nurse cells require the oocyte for successful differentiation and undergo a unique apoptosis program upon phagocytosis by the oocyte.
  • Removal of the oocyte leads to nurse cell differentiation arrest, apoptosis, and degradation by somatic cells.

Conclusions:

  • The oocyte plays a critical regulatory role in nurse cell differentiation and apoptosis.
  • Hydra exhibits a unique mechanism of oocyte-nurse cell interaction, involving oocyte-induced apoptosis.
  • A new model for oocyte development in Hydra is proposed, highlighting the intricate interplay between developing oocytes and nurse cells.