News tagged with mutant cells
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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New way to learn about, potentially block traits in harmful pathogens
Researchers at Duke University Medical Center have developed a new way to identify the genes of harmful microbes, particularly those that have been difficult to study in the laboratory.
Jan 09, 2012 |
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Bone marrow-derived cells differentiate in the brain through mechanisms of plasticity
Bone marrow-derived stem cells (BMDCs) have been recognized as a source for transplantation because they can contribute to different cell populations in a variety of organs under both normal and pathological conditions. Many ...
Dec 19, 2011 |
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Characterizing a toxic offender
The brains of individuals with Alzheimer's disease contain protein aggregates called plaques and tangles, which interfere with normal communication between nerve cells and cause progressive learning and memory ...
Medicine & Health / Neuroscience
Dec 09, 2011 |
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With mutation, you can have your cream and eat it, too
People who carry a malfunctioning copy of a particular gene are especially good at clearing fat from their systems. The report in the December Cell Metabolism, a Cell Press publication, shows how the mutant gene influences metabo ...
Dec 06, 2011 |
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Aging human bodies and aging human oocytes run on different clocks
Reproductive and somatic aging use different molecular mechanisms that show little overlap between the types of genes required to keep oocytes healthy and the genes that generally extend life span, according to Coleen Murphy, ...
Dec 06, 2011 |
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Ulcer-causing bacteria tamed by defect in cell-targeting ability
Without the ability to swim to their targets in the stomach, ulcer-causing bacteria do not cause the inflammation of the stomach lining that leads to ulcers and stomach cancer, according to a new study by researchers at the ...
Nov 21, 2011 |
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Researchers discover new way to form extracellular vesicles
Researchers at NYU Langone Medical Center have discovered a protein called TAT-5 that affects the production of extracellular vesicles, small sacs of membrane released from the surface of cells, capable of sending signals ...
Nov 17, 2011 |
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Neurological disorder impacts brain cells differently
In a paper published in the Nov. 9 issue of the Journal of Neuroscience, researchers at the University of California, San Diego School of Medicine and University of Washington describe in deeper detail the pathology of a d ...
Medicine & Health / Neuroscience
Nov 09, 2011 |
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Brain circuits connected with memory discovered
(Medical Xpress) -- A new study published last week in Science reveals the discovery of a brain pathway that helps us link events that happen close together and play a role in memories.
Medicine & Health / Neuroscience
Nov 07, 2011 |
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On guard against drought
Identification of a gene that helps plants to conserve water under drought conditions will bring biologists closer to understanding how plants tolerate drought. Researchers, led by Takashi Kuromori at Japan's ...
Oct 28, 2011 |
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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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Melatonin delays onset, reduces deaths in mouse model of Huntington's disease
Melatonin, best known for its role in sleep regulation, delayed the onset of symptoms and reduced mortality in a mouse model of Huntington's disease, say researchers at the University of Pittsburgh School of Medicine and ...
Medicine & Health / Neuroscience
Oct 11, 2011 |
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An 'unconventional' path to correcting cystic fibrosis
Researchers have identified an unconventional path that may correct the defect underlying cystic fibrosis, according to a report in the September 2nd issue of the journal Cell. This new treatment dramatically extends the li ...
Sep 01, 2011 |
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