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News tagged with mutant

Ultraviolet protection molecule in plants yields its secrets

Lying around in the sun all day is hazardous not just for humans but also for plants, which have no means of escape. Ultraviolet (UV) radiation from the sun can damage proteins and DNA inside cells, leading ...

Biology / Plants & Animals

created Feb 09, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Molecular path from internal clock to cells controlling rest and activity revealed in new study

(PhysOrg.com) -- The molecular pathway that carries time-of-day signals from the body's internal clock to ultimately guide daily behavior is like a black box, says Amita Sehgal, PhD, the John Herr Musser Professor ...

Biology / Cell & Microbiology

created Feb 07, 2012 | popularity 5 / 5 (1) | 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 5 / 5 (2) | comments 0 | with audio podcast

Gene linked to pancreatic cancer growth, study finds

A mutant protein found in nearly all pancreatic cancers plays a role not only in the cancer's development but in its continued growth, according to a new study from University of Michigan Comprehensive Cancer ...

Medicine & Health / Cancer

created Jan 31, 2012 | popularity not rated yet | comments 0 | with audio podcast

Newly engineered highly transmissible H5N1 strain ignites controversy

Scientists have engineered a new strain of H5N1 (commonly known as bird flu) to be readily transmitted between humans. Two perspectives being published early online in Annals of Internal Medicine, the flagship journal of the ...

Medicine & Health / Diseases

created Jan 26, 2012 | popularity 5 / 5 (3) | comments 1

Flu transmission work is urgent: Nature Comment

The author of an upcoming Nature paper about H5N1 argues in a Nature Comment article today that research into deadly pathogenic viruses must continue if pandemics are to be prevented. Yoshihiro Kawaoka suggests, after reviewi ...

Medicine & Health / Research

created Jan 25, 2012 | popularity 5 / 5 (2) | 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

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.

Medicine & Health / Diseases

created Jan 09, 2012 | popularity not rated yet | comments 0 | with audio podcast

WHO 'deeply concerned' by mutant bird flu

The World Health Organization (WHO) said it was "deeply concerned" about research into whether the H5N1 flu virus could be made more transmissible between humans after mutant strains were produced in labs.

Medicine & Health / Diseases

created Dec 31, 2011 | popularity not rated yet | comments 0

Scientists fight back in 'mutant flu' research row

Leading virologists on Wednesday warned of censorship after a US bioterror watchdog asked scientific journals to withhold details of lab work that created a mutant strain of killer flu.

Biology / Biotechnology

created Dec 21, 2011 | popularity 5 / 5 (3) | comments 7

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 ...

Medicine & Health / Research

created Dec 19, 2011 | popularity not rated yet | comments 0 | with audio podcast

Gene found in humans, mice protects cornea transparency

A transparent cornea is essential for vision, which is why the eye has evolved to nourish the cornea without blood vessels. But for millions of people around the world, diseases of the eye or trauma spur the growth of blood ...

Medicine & Health / Genetics

created Dec 12, 2011 | popularity not rated yet | comments 0 | with audio podcast

Disease progression halted in rat model of Lou Gehrig's disease

Amyotrophic lateral sclerosis (ALS; also known as Lou Gehrig's disease) is an incurable adult neurodegenerative disorder that progresses to paralysis and death. Genetic mutations are the cause of disease in 5% of patients ...

Medicine & Health / Research

created Dec 12, 2011 | popularity 5 / 5 (1) | comments 1

World vigilant after Dutch lab mutates killer virus

World health ministers said Friday they were being vigilant after a Dutch laboratory developed a mutant version of the deadly bird flu virus that is for the first time contagious among humans.

Medicine & Health / Diseases

created Dec 09, 2011 | popularity 5 / 5 (7) | comments 7

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

created Dec 09, 2011 | popularity not rated yet | comments 0