Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

Ecdysteroids in nematodes.

G C Barker¹, H H Rees

¹Department of Pure and Applied Biology, Imperial College, Prince Consort Road, London SW11 2BB, UK.

Parasitology Today (Personal Ed.)

|December 1, 1990

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

Machine learning to refine decision making within a syndromic surveillance service.

BMC public health·2019

Same author

Climate Change, Foodborne Pathogens and Illness in Higher-Income Countries.

Current environmental health reports·2018

Same author

The pattern of growth observed for Clostridium botulinum type A1 strain ATCC 19397 is influenced by nutritional status and quorum sensing: a modelling perspective.

Pathogens and disease·2015

Same author

New Elements To Consider When Modeling the Hazards Associated with Botulinum Neurotoxin in Food.

Journal of bacteriology·2015

Same author

Status and future of Quantitative Microbiological Risk Assessment in China.

Trends in food science & technology·2015

Same author

Shaking-induced crystallization of dense sphere packings.

Physical review. E, Statistical, nonlinear, and soft matter physics·2014

Same journal

Immune effector mechanisms in parasitic infections.

Parasitology today (Personal ed.)·2006

Same journal

Nitric oxide in health and disease.

Parasitology today (Personal ed.)·2006

Same journal

Infection, oxford general practice series 40.

Parasitology today (Personal ed.)·2006

Same journal

Parasitism and the platyhelminthes.

Parasitology today (Personal ed.)·2006

Same journal

Reply.

Parasitology today (Personal ed.)·2006

Same journal

Waterborne cryptosporidiosis and the need for legislation.

Parasitology today (Personal ed.)·2006

See all related articles

Ecdysteroids, insect moulting hormones, are found in nematodes and affect their physiology. Further research is needed to confirm if they are endogenous hormones for novel nematode control strategies.

Area of Science:

Zoology
Molecular Biology
Parasitology

Background:

Ecdysteroids, known as insect moulting hormones, have been detected in nematodes at low concentrations.
Their presence suggests potential roles in nematode physiology beyond simple moulting stimulation.

Purpose of the Study:

To investigate the biological effects of exogenously applied ecdysteroids on nematode oocytes and microfilarial production.
To determine if nematodes synthesize ecdysteroids de novo, clarifying their endogenous status.

Main Methods:

Application of exogenous ecdysteroids to select nematode species.
Observation of effects on oocyte meiotic reinitiation and microfilarial production in filariae.

Main Results:

Related Experiment Videos

Exogenous ecdysteroids were shown to stimulate moulting in some nematode species.

Significant biological effects were observed on meiotic reinitiation in oocytes and microfilarial production in filariae.

De novo synthesis of ecdysteroids in nematodes has not yet been demonstrated.

Conclusions:

While exogenous ecdysteroids influence nematode physiology, their endogenous role remains unconfirmed.
The ecdysteroid system presents a potential target for developing new nematode control methods.