News tagged with molecular biologist

Mystery of monarch migration takes new turn

During the fall, hundreds of millions of monarch butterflies living in eastern North America fly up to 1,500 miles to the volcanic forests of Mexico to spend the winter, while monarchs west of the Rocky Mountains fly to the ...

Biology / Plants & Animals

created May 31, 2012 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Treating poultry diseases without antibiotics

Identifying antimicrobial proteins in chickens that kill pathogens is one method being used by U.S. Department of Agriculture (USDA) scientists to find alternatives to the use of antibiotics to control infectious ...

Biology / Biotechnology

created May 30, 2012 | popularity not rated yet | comments 0

Mapping the genomes of crocodiles and alligators -- It's not for the faint of heart

(Phys.org) -- David Ray never turns his back on his research, and with good reason! "If it can't bite you, it's not interesting," he jokes.

Biology / Biotechnology

created May 22, 2012 | popularity 5 / 5 (1) | comments 0

Slow snails, fast genes: Predatory snails refine venoms through continuous gene duplication

(Phys.org) -- When tropical marine cone snails sink their harpoon-like teeth into their prey, they inject paralyzing venoms made from a potent mix of more than 100 different neurotoxins.

Biology / Biotechnology

created Apr 10, 2012 | popularity 5 / 5 (1) | comments 3 | with audio podcast

New stem cell line provides safe, prolific source for disease modeling and transplant studies

Researchers have generated a new type of human stem cell that can develop into numerous types of specialized cells, including functioning pancreatic beta cells that produce insulin. Called endodermal progenitor (EP) cells, ...

Biology / Cell & Microbiology

created Apr 05, 2012 | popularity 3 / 5 (2) | comments 0 | with audio podcast

Diatom biosensor could shine light on future nanomaterials

(PhysOrg.com) -- A glow coming from the glassy shell of microscopic marine algae called diatoms could someday help us detect chemicals and other substances in water samples. And the fact that this diatom can ...

Chemistry / Biochemistry

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

Indonesian 'Eves' colonised Madagascar 1,200 years ago

Several dozen Indonesian women founded the colonisation of Madagascar 1,200 years ago, scientists said on Wednesday in a probe into one of the strangest episodes in the human odyssey.

Biology / Other

created Mar 21, 2012 | popularity 4.4 / 5 (11) | comments 5

Plants can 'remember' drought and change responses to survive

(PhysOrg.com) -- Plants subjected to a previous period of drought learn to deal with the stress thanks to their memories of the experience, new research has found.

Biology / Plants & Animals

created Mar 15, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Unraveling biological networks

A new approach to disentangling the complexities of biological networks, such as the way in which proteins interact in our body's cells has been developed by researchers in China. The team's algorithm could allow biologists ...

Biology / Cell & Microbiology

created Mar 05, 2012 | popularity 4.7 / 5 (3) | comments 0

Why birds of a feather lek together

Certain kinds of male birds gather into small clusters of land called leks to perform their courtship dances, and according to science, who they choose to associate with matters. A new study by University ...

Biology / Ecology

created Feb 29, 2012 | popularity not rated yet | comments 0

Protein assassin: Scientists find that the unfolded end of a protein can kill E. coli-like bacteria selectively

When bacteria wage a turf war, some of the combatants have an extra weapon. Certain strains of the bacteria E. coli produce proteins that kill competing E. coli and other like microbes, and researchers from Newcastle Uni ...

Biology / Cell & Microbiology

created Feb 23, 2012 | popularity not rated yet | comments 0

Pioneering molecular biologist Roy J. Britten dies

(AP) -- Roy J. Britten, a pioneering molecular biologist who discovered the crucial fact that humans and animals have multiple copies of some DNA segments, has died. He was 92.

Biology / Other

created Feb 22, 2012 | popularity not rated yet | comments 0

Antarctic lake could reveal evolution, new life: scientists

Russian scientists said Thursday a probe to a pristine lake deep under the ice of Antarctica could bring revelations on the evolution of the planet Earth and possibly even new life forms.

Space & Earth / Earth Sciences

created Feb 09, 2012 | popularity 5 / 5 (1) | comments 0

Study shows how DNA finds its match

It's been more than 50 years since James Watson and Francis Crick showed that DNA is a double helix of two strands that complement each other. But how does a short piece of DNA find its match, out of the millions ...

Biology / Cell & Microbiology

created Feb 08, 2012 | popularity 4.9 / 5 (15) | comments 2 | with audio podcast

Study finds how lysozyme protein in tears annihilates dangerous bacteria

A disease-fighting protein in our teardrops has been tethered to a tiny transistor, enabling UC Irvine scientists to discover exactly how it destroys dangerous bacteria. The research could prove critical to ...

Biology / Cell & Microbiology

created Jan 19, 2012 | popularity 4.7 / 5 (3) | comments 5 | with audio podcast