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 ...
Feb 09, 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 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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Barley takes a leaf out of reindeer's book in the land of the midnight sun
Barley grown in Scandinavian countries is adapted in a similar way to reindeer to cope with the extremes of day length at high latitudes. Researchers have found a genetic mutation in some Scandinavian barley ...
May 11, 2012 |
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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 ...
Feb 07, 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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Why Obama's Dog Has Curly Hair? Study Finds 3 Dog Coat Genes
(PhysOrg.com) -- University of Utah researchers used data from Portuguese water dogs - the breed of President Barack Obama's dog Bo - to help find a gene that gives some dogs curly hair and others long, wavy ...
Aug 27, 2009 |
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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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Regrowing hair: Researchers may have accidentally discovered a solution
It has been long known that stress plays a part not just in the graying of hair but in hair loss as well. Over the years, numerous hair-restoration remedies have emerged, ranging from hucksters' "miracle solvents" ...
Medicine & Health / Medical research
Feb 16, 2011 |
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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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Looks can be deceiving: Lizards acquire the same camouflaging adaptation in different ways
(PhysOrg.com) -- Does it matter if nature solves the same problem multiple ways? A NSF-supported study of lizard populations in White Sands, New Mexico has helped researcher Erica Rosenblum of the University ...
Dec 30, 2009 |
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Study shows genetic rice breeding goes back 10,000 years
(PhysOrg.com) -- In a paper published in the Proceedings of the National Academy of Sciences, Masanori Yamasaki and colleagues from Kobe University in Japan, describe how they analyzed the genomes of severa ...
Jun 07, 2011 |
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Worms can evolve to survive intersex populations
(PhysOrg.com) -- Sexually reproducing species need at least two sexes in order to produce offspring, but there are many ways that nature produces different sexes. Many animals (including humans and other mammals) ...
Dec 06, 2011 |
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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.
Dec 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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