Life Lines by Dr. Dolittle

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Tag Archive for ‘planarian’

Metabolic costs of reproduction, eating, and increasing temperatures

Planarians are rather cute little flatworms, although they tend to wreak havoc in fish tanks. Researchers have long been fascinated by their ability to regenerate body parts when injured with the help of adult stem cells. More recently, they have gained attention for their ability to survive long periods of time without eating by “degrowing”, i.e. getting smaller but still keeping their shape and functions intact. I would shrink too […]

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Regenerating limbs…and heads

Mandy M. Schofield, Christian A. Okafor, and Jack D. Shepard from Towson University presented an interesting poster at the 6th annual Greater Washington DC Area Physiological Society on how planarians are a useful “Model Organism for Investigation and Education.” Planarians are indeed very interesting little animals. They have remarkable abilities to regenerate as shown in this YouTube video: Aside from this impressive ability and its application to limb regeneration, planaria […]

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