Initial Publication Date: September 29, 2008
The Microbes Within
A WebQuest exploring the effects of endosymbiosis on reproduction, evolution and human health
Introduction - Task - Process - Resources - Evaluation - Conclusion - Teachers
Resources
Wolbachia General Biology
Questions- Briefly describe the basic biology of Wolbachia.
- What is meant by an obligate, intracellular symbiont?
- What are the 4 basic reproductive strategies induced by Wolbachia?
- Wolbachia pipientis - Encyclopedia of Life (more info)
- Biology of Wolbachia (more info)
- Wolbachia - Wikipedia, the free encyclopedia (more info)
- Wolbachia: A Tale of Sex and Survival (more info)
Reproductive Strategies
Questions- Define the 4 reproductive strategies of Wolbachia.
- Why would Wolbachia induce asexual reproduction in its host?
- How can we "cure" the host of asexual reproduction?
- Wolbacha pipentis - Encyclopedia of life (more info)
- Bizarre parasite that kills male insects and disrupts insect sex lives is not all bad: it can make sterile fruit flies fertile again ( This site may be offline. )
- But Madame Butterfly, Where Are All the Males? (more info)
- Wolbachia, widowmaker (more info)
Human Disease
Questions- List and describe two major human diseases associated with Wolbachia.
- How did researchers confirm that Wolbachia was actually responsible for these diseases?
- How are they being treated?
- A-WOL - Anti-Wolbachia Consortium (more info)
- Worms' bacteria main cause of river blindness - Parasites - medical research (more info)
- Africa: One step nearer to cure for river blindness (more info)
- Targeting wolbachia, doxycycline reduces pathology of lymphatic filariasis ( This site may be offline. )
- Doxycycline Reduces Plasma VEGF-C/sVEGFR-3 and Improves Pathology in Lymphatic Filariasis (more info)
- New Culprit Emerges in River Blindness (more info)
Speciation in Insects
Questions- What is meant by reproduction isolation? How can it lead to speciation?
- How does Wolbachia influence speciation?
- How did researchers confirm that Wolbachia may be responsible for speciation in insects?
- Evolution 101: Speciation - Reproductive Isolation ( This site may be offline. )
- Bacterium Can Alter Evolution Of Another Species (more info)
- Bacteria Spurs Speciation (more info)
- Infection Divides Two Wasp Species (more info)
- Speciation and Wolbachia (more info)
- Evolution: Infectious Speciation ( This site may be offline. )
- Wolbachia and Wasp Evolution (more info)
Vector Control
Questions- What is meant by "vector-borne" disease?
- Name at least two vector-borne diseases. How might vector-borne diseases be controlled using Wolbachia?
- How might Wolbachia help to prevent the spread of malaria?
- Vector-Borne Diseases ( This site may be offline. )
- Bacterial parasite shows potential in disease control (more info)
- Mosquito age and dengue transmission (more info)
- Study raises malaria block hopes (more info)
- Can Wolbachia help prevent the spread of malaria? ( This site may be offline. )
- Wolbachia pipientis - Encyclopedia of Life (more info) - Video: Population replacement strategies for controlling vector populations and the use of Wolbachia pipientis for genetic drive
Viruses/Phage: The Parasites Within
Questions- Describe the structure and infection process of bacteriophage.
- What is the difference between the lytic and lysogenic lifestyles of bacteriophage?
- What is the effect of bacteriophage WO-B within Wolbachia? The host insect? How did researchers confirm this relationship?
- Bacteriophage (more info)
- Mysterious Invaders - A Closer Look At Viruses
- Viral hitchhiker inhibits Wolbachia bacteria's ability to proliferate (more info)
- The Tripartite Associations between Bacteriophage, Wolbachia, and Arthropods (more info)
- Symbiotic enemies fight over insect (more info)
Symbiosis & Host-Microbe Interactions
Questions- Define endosymbiosis. What is the endosymbiotic theory of evolution?
- Compare/contrast mitochondria & Wolbachia.
- What is horizontal gene transfer? How does it relate to Wolbachia?
- Symbiosis (more info)
- The Endosymbiotic Theory ( This site may be offline. )
- The Evolution of Organelles (more info)
- It Takes Teamwork: How Endosymbiosis Changed Life on Earth (more info)
- Horizontal Gene Transfer (more info)
- Parasite Invades Its Host's DNA (more info)
- One Species' Genome Discovered Inside Another's (more info)
- The parasitic bacterium Wolbachia and the origin of the eukaryotic cell (more info)