News tagged with molecular signals

Pigeons' navigation skill not down to iron-rich beak cells: study

The theory that pigeons' famous skill at navigation is down to iron-rich nerve cells in their beaks has been disproved by a new study published in Nature.

Biology / Plants & Animals

created Apr 11, 2012 | popularity 5 / 5 (6) | comments 11 | with audio podcast

Researchers present a shiny new tool for imaging biomolecules

At the heart of the immune system that protects our bodies from disease and foreign invaders is a vast and complex communications network involving millions of cells, sending and receiving chemical signals ...

Nanotechnology / Nanophysics

created Mar 23, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

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

Study provides new details of fundamental cellular process

A recent Van Andel Research Institute (VARI) study published in the journal Science investigating the molecular structure and function of an essential plant hormone could profoundly change our understanding of a key cell p ...

Biology / Cell & Microbiology

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

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

Corals can sense what's coming

Australian scientists have thrown new light on the mechanism behind the mass death of corals worldwide as the Earth's climate warms.

Space & Earth / Environment

created Nov 18, 2011 | popularity 5 / 5 (4) | comments 2

New technique enables study of 'challenging' proteins

Researchers from Hull, Bristol and Frankfurt have shown that a new technique for identifying molecular structure can be used effectively on small samples of biological proteins, particularly proteins that are targeted for ...

Chemistry / Biochemistry

created Nov 14, 2011 | popularity 5 / 5 (1) | comments 0

How a molecular traffic jam impacts cell division

Interdisciplinary research between biology and physics aims to understand the cell and how it organizes internally. The mechanisms inside the cell are very complicated. LMU biophysicist Professor Erwin Frey, who is also a ...

Biology / Cell & Microbiology

created Nov 07, 2011 | popularity not rated yet | comments 0

Researchers identify signals triggering dendrite growth

A study in worms that are less than a millimetre long has yielded clues that may be important for understanding how nerves grow.

Biology / Other

created Sep 20, 2011 | popularity 5 / 5 (1) | comments 0

Biochemical cell signals quantified for first time

Just as cell phones and computers transmit data through electronic networks, the cells of your body send and receive chemical messages through molecular pathways. The term "cell signaling" was coined more than 30 years ago ...

Chemistry / Biochemistry

created Sep 15, 2011 | popularity 4.8 / 5 (6) | comments 2 | with audio podcast

Yale scientists find stem cells that tell hair it's time to grow

Yale researchers have discovered the source of signals that trigger hair growth, an insight that may lead to new treatments for baldness.

Biology / Cell & Microbiology

created Sep 01, 2011 | popularity 5 / 5 (7) | comments 8 | with audio podcast

Singapore scientists discover how to control fate of stem cells

Scientists from the Genome Institute of Singapore (GIS), an institute of the Agency for Science, Technology and Research (A*STAR), in collaboration with the Cancer Science Institute of Singapore (CSI), have discovered how ...

Biology / Biotechnology

created Jun 24, 2011 | popularity 5 / 5 (2) | comments 0

Discovery alters conventional understanding of sight

A discovery by a team of researchers led by a Syracuse University physicist sheds new light on how the vision process is initiated. For almost 50 years, scientists have believed that light signals could not be initiated unless ...

Chemistry / Other

created Jun 23, 2011 | popularity not rated yet | comments 0

Unraveling plant reactions to injury

Better understanding of plant defense systems, and the potential to generate stress-tolerant plants and even new malaria drugs, may all stem from the documentation of a molecular mechanism that plays a significant ...

Biology / Cell & Microbiology

created May 27, 2011 | popularity not rated yet | comments 0

Study unlocks secrets of plague with stunning new imaging techniques

(PhysOrg.com) -- Researchers at Sandia National Laboratories have developed a super-resolution microscopy technique that is answering long-held questions about exactly how and why a cell's defenses fail against ...

Chemistry / Analytical Chemistry

created May 16, 2011 | popularity 4 / 5 (4) | comments 0 | with audio podcast