News tagged with mutant cells

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 ...

Biology / Plants & Animals

created Mar 01, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

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.

Chemistry / Biochemistry

created Feb 22, 2012 | popularity 4.9 / 5 (14) | comments 0 | with audio podcast

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 ...

Biology / Biotechnology

created Feb 05, 2012 | popularity 3.7 / 5 (3) | comments 0 | with audio podcast

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.

Biology / Cell & Microbiology

created Jan 23, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

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, ...

Biology / Cell & Microbiology

created Dec 06, 2011 | popularity not rated yet | comments 0

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 ...

Biology / Cell & Microbiology

created Nov 17, 2011 | popularity not rated yet | comments 0

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 ...

Biology / Biotechnology

created Oct 28, 2011 | popularity not rated yet | comments 0

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 ...

Biology / Plants & Animals

created Oct 21, 2011 | popularity 4.3 / 5 (15) | comments 0 | with audio podcast

New component of a plant steroid-activated pathway discovered

Plant biologists have been working for years to nail down the series of chemical signals that one class of plant hormones, called brassinosteroids, send from a protein on the surface of a plant cell to the cell's nucleus. ...

Biology / Cell & Microbiology

created Aug 18, 2011 | popularity not rated yet | comments 0

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.

Biology / Cell & Microbiology

created Aug 16, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Huntington's disease protein has broader effects on brain, study shows

In Huntington's disease, the mutant protein known as huntingtin leads to the degeneration of a part of the brain known as the basal ganglia, causing the motor disturbances that represent one of the most defining features ...

Medicine & Health / Medical research

created Apr 05, 2011 | popularity not rated yet | comments 0

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 ...

Biology / Cell & Microbiology

created Mar 20, 2011 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Secretions of the mind

A molecule called calcium-dependent activator protein for secretion 2 (CAPS2) promotes the secretion of a neurotrophic factor that is critical for the proper development and survival of networks of interneurons ...

Medicine & Health / Medical research

created Feb 25, 2011 | popularity 5 / 5 (1) | comments 1

Destined for disease: Breast cancer mutation regulates cell fate

A new study sheds light on why individuals who inherit a particular family of mutations have a high risk of developing a very aggressive form of breast cancer. The research, published by Cell Press on February 4th in the ...

Medicine & Health / Cancer

created Feb 03, 2011 | popularity not rated yet | comments 0

'Smart drug' targets new mutation, dramatically shrinks aggressive sarcoma and lung cancer

A new oral drug caused dramatic shrinkage of a patient's rare, aggressive form of soft-tissue cancer that was driven by an abnormally activated protein, physician-scientists from Dana-Farber Cancer Institute report in the ...

Medicine & Health / Cancer

created Oct 27, 2010 | popularity 5 / 5 (1) | comments 0