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planaria at Biology News

Researchers feed tiny pills of RNA to planarians to identify genes essential for regeneration

University of Utah researchers-feeding microscopic pills of RNA to quarter-inch long worms called planarians-have identified many genes essential to understanding a biological mystery that has captivated scientists for hundreds of years: regeneration. In pinpointing the genes, the U School of Medicine researchers have established the planarian as a genetically sound model for human biolog...

Scientists identify gene involved in stem cell self-renewal in planaria

No matter how you slice it, the freshwater planarian possesses an amazing ability to regenerate lost body parts. Chop one into pieces, and each piece can grow into a complete planarian. The flatworm relies upon a population of stem cells to accomplish this remarkable feat; recent work sheds light on how planarians maintain these stem cells throughout their lives. In a paper to appear in th...

Study of planarians offers insight into germ cell development

The planarian is not as well known as other, more widely used subjects of scientific study ?model creatures such as the fruit fly, nematode or mouse. But University of Illinois cell and developmental biology professor Phillip Newmark thinks it should be. As it turns out, the tiny, seemingly cross-eyed flatworm is an ideal subject for the study of germ cells, precursors of eggs and sperm in all se...
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