News tagged with animal cells

Research suggests cells communicate via biophotons

(Phys.org) -- Biologists have long been familiar with luminescence in organisms, where plants and animals produce visible light, but more intriguing perhaps is the newer field of study centered around biophotons, ...

Biology / Other

created May 23, 2012 | popularity 4 / 5 (7) | comments 1 | with audio podcast weblog

Nanomedicine: Quantum dots appear safe in pioneering study on primates

A pioneering study to gauge the toxicity of quantum dots in primates has found the tiny crystals to be safe over a one-year period, a hopeful outcome for doctors and scientists seeking new ways to battle diseases ...

Nanotechnology / Bio & Medicine

created May 20, 2012 | popularity 4.3 / 5 (3) | comments 8 | with audio podcast

Central nervous system stem cells shed light on mechanism that controls asymmetrical division

Animals consist of many distinct cell types, all of which originate during development from a single cell: the fertilized egg. To generate this vast cellular diversity, the egg and its descendants must divide ...

Biology / Cell & Microbiology

created May 18, 2012 | popularity not rated yet | comments 0

Researchers discover novel approach to stimulate immune cells

Researchers at Rutgers University have uncovered a new way to stimulate activity of immune cell opiate receptors, leading to efficient tumor cell clearance.

Chemistry / Biochemistry

created May 11, 2012 | popularity 5 / 5 (2) | comments 2 | with audio podcast

More light shed on how pigeons navigate

(Phys.org) -- Pigeons are renowned for their ability to find their way home from a release point hundreds of miles away, but scientists have never fully understood how they are able to achieve the feat. Now ...

Biology / Plants & Animals

created Apr 27, 2012 | popularity 4.3 / 5 (3) | comments 1 | with audio podcast report

From embryonic stem cells, a sperm replacement and easier path to genetic modification

Researchers reporting in the April 27 issue of the journal Cell have devised a new and improved method for producing genetically modified animals for use in scientific research. The method relies on haploi ...

Biology / Cell & Microbiology

created Apr 26, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Slicing mitotic spindle with lasers, nanosurgeons unravel old pole-to-pole theory

The mitotic spindle, an apparatus that segregates chromosomes during cell division, may be more complex than the standard textbook picture suggests, according to researchers at the Harvard School of Engineering ...

Biology / Cell & Microbiology

created Apr 26, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

World's first handmade cloned transgenic sheep born in China

Chinese scientists from BGI together with the Institute of Genetics and Developmental Biology, Chinese Academy of Sciences (CAS), and Shihezi University, Xinjiang province, made a significant breakthrough in animal cloning. ...

Biology / Biotechnology

created Apr 19, 2012 | popularity 5 / 5 (1) | comments 4

Study finds evidence nanoparticles may increase plant DNA damage

(Phys.org) -- Researchers at the National Institute of Standards and Technology (NIST) and the University of Massachusetts Amherst (UMass) have provided the first evidence that engineered nanoparticles are ...

Nanotechnology / Bio & Medicine

created Apr 18, 2012 | popularity 4.4 / 5 (7) | comments 1 | with audio podcast

Direct transfer of plant genes from chloroplasts into the cell nucleus

Chloroplasts, the plant cell's green solar power generators, were once living beings in their own right. This changed about one billion years ago, when they were swallowed up but not digested by larger cells. ...

Biology / Cell & Microbiology

created Apr 13, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

When dying, bacteria share some characteristics with higher organisms

Do bacteria, like higher organisms, have a built-in program that tells them when to die? The process of apoptosis, or cell death, is an important part of normal animal development. In a new study published March 6 in the ...

Biology / Cell & Microbiology

created Mar 06, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Scientists find a key to growth differences between species

The tiny, little-noticed jewel wasp may provide some answers as to how different species differ in size and shape. And that could lead to a better understanding of cell growth regulation, as well as the underlying ...

Biology / Plants & Animals

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

First test-tube hamburger ready this fall: researchers

The world's first "test-tube" meat, a hamburger made from a cow's stem cells, will be produced this fall, Dutch scientist Mark Post told a major science conference on Sunday.

Biology / Other

created Feb 20, 2012 | popularity 4.6 / 5 (14) | comments 27

Researchers induce freezing tolerance in fruit fly

(PhysOrg.com) -- Most of what is known about the ability of some cold blooded animals and several insects to survive having their body temperature fall below freezing has led to the conclusion that those organisms ...

Biology / Biotechnology

created Feb 14, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast report

Scientists replicate key evolutionary step in life on earth

(PhysOrg.com) -- More than 500 million years ago, single-celled organisms on Earth's surface began forming multi-cellular clusters that ultimately became plants and animals.

Biology / Cell & Microbiology

created Jan 16, 2012 | popularity 4.8 / 5 (46) | comments 500 | with audio podcast