News tagged with mutant cells
Embryo's heartbeat drives blood stem cell formation
(PhysOrg.com) -- Biologists have long wondered why the embryonic heart begins beating so early, before the tissues actually need to be infused with blood. Two groups of researchers from Children's Hospital ...
Medicine & Health / Medical research
May 13, 2009 |
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Scientists present first model of how buds grow into leaves
Leaves come in all shapes and sizes. Scientists have discovered simple rules that control leaf shape during growth. Using this 'recipe', they have developed the first computer model able to accurately emulate ...
Mar 01, 2012 |
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Researchers discover what cancer cells need to travel
(PhysOrg.com) -- Cancer cells must prepare for travel before invading new tissues, but new Cornell research has found a possible way to stop these cells from ever hitting the road.
Feb 22, 2012 |
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Steroids control gas exchange in plants
Plants leaves are sealed with a gas-tight wax layer to prevent water loss. Plants breathe through microscopic pores called stomata (Greek for mouths) on the surfaces of leaves. Over 40% of the carbon dioxide, CO2, in the ...
Feb 05, 2012 |
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Mighty mesh: Extracellular matrix identified as source of spreading in biofilms
New research at Harvard explains how bacterial biofilms expand to form slimy mats on teeth, pipes, surgical instruments, and crops.
Jan 23, 2012 |
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How plants sense touch, gravity and other physical forces
(PhysOrg.com) -- At the bottom of plants' ability to sense touch, gravity or a nearby trellis are mechanosensitive channels, pores through the cells' plasma membrane that are opened and closed by the deformation ...
Oct 21, 2011 |
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Researchers discover key mechanism that regulates shape and growth of plants
UBC researchers have discovered a key mechanism that -- much like a construction site foreperson -- controls the direction of plant growth as well as the physical properties of the biopolymers that plants produce.
Aug 16, 2011 |
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Mutant prions help cells foil harmful protein misfolding
Romping clumps of misfolded proteins are prime suspects in many neurological disorders including Alzheimer's, Parkinson's, and Creutzfeld-Jakob Disease. Those diseases are devastating and incurable, but a team of biologists ...
Mar 20, 2011 |
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Nobel winner ties mental illness to immune defect
A Nobel Prize-winning University of Utah geneticist discovered that bone marrow transplants cure mutant mice who pull out their hair compulsively. The study provides the first cause-and-effect link between ...
Medicine & Health / Medical research
May 27, 2010 |
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More Proof of Outer Membrane Cytochrome Role in Electron Transfer
(PhysOrg.com) -- Another step toward improving understanding of electron exchange between microbes and minerals has been documented in the January 2010 issue of Geobiology. Bacteria such as the metal-reducing Shewan ...
Apr 19, 2010 |
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Sea creatures' sex protein provides new insight into diabetes
A genetic accident in the sea more than 500 million years ago has provided new insight into diabetes, according to research from Queen Mary, University of London.
Mar 22, 2010 |
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Imaging studies reveal order in programmed cell death
(PhysOrg.com) -- Every day, about 10 billion cells in a human body commit suicide. Cells infected by virus, that are transformed or otherwise dysfunctional altruistically sacrifice themselves for the greater good. Now, new ...
Feb 26, 2010 |
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Genes, environment, or chance?
Biologists attribute variations among individual organisms to differences in genes or environment, or both. But a new study of nematode worms with identical genes, raised in identical environments, has revealed ...
Feb 18, 2010 |
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Scientists discover how protein trips up germs (w/ Video)
If bad bacteria lurk in your system, chances are they will bump into the immune system's protective cells whose job is gobbling germs. The catch is that these do-gooders, known as macrophages, ingest and destroy only those ...
Medicine & Health / Medical research
Feb 17, 2010 |
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Testicular tumors may explain why some diseases are more common in children of older fathers
A rare form of testicular tumour has provided scientists with new insights into how genetic changes (mutations) arise in our children. The research, funded by the Wellcome Trust and the Danish Cancer Society, could explain ...
Oct 25, 2009 |
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