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News tagged with nucleus

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The Energy Sources of Ultraluminous Galaxies

(PhysOrg.com) -- Ultraluminous infrared galaxies ((ULIRGs) are galaxies whose luminosity exceeds that of a trillion suns; for comparison, the Milky Way galaxy has a typical (and much more modest) luminosity ...

Space & Earth / Astronomy

created Nov 27, 2009 | popularity 4.7 / 5 (20) | comments 3

New study describes connections between Circadian and metabolic systems

A paper by University of Notre Dame biologist Giles Duffield and a team of researchers offers new insights into a gene that plays a key role in modulating the body's Circadian system and may also simultaneously modulate its ...

Biology / Other

created Nov 12, 2009 | popularity 2.5 / 5 (2) | comments 0

Sky merger yields sparkling dividends

(PhysOrg.com) -- Not surprisingly, interacting galaxies have a dramatic effect on each other. Studies have revealed that as galaxies approach one another massive amounts of gas are pulled from each galaxy ...

Space & Earth / Astronomy

created Oct 13, 2009 | popularity 4.7 / 5 (3) | comments 1

Michigan hospital launches gene therapy study for Parkinson's disease

A Michigan hospital is embarking on a research study for advanced Parkinson's disease using a state-of-the-art treatment called gene transfer.

Medicine & Health / Medical research

created Oct 06, 2009 | popularity 5 / 5 (3) | comments 0

Telltale moss: Mother Nature gives clues for improving stem cell techniques

Hikers know that moss on a tree trunk always points north. According to new research by Israeli and German scientists, this ancient plant may also provide a new "compass" for stem cell research, telling scientists how better ...

Biology / Biotechnology

created Sep 29, 2009 | popularity 5 / 5 (3) | comments 0

'Promiscuous' protein interactions found in the nuclear pore complex

(PhysOrg.com) -- The NPC is the only way in or out of a cell's nucleus. It plays a key role in cellular metabolism and signaling, and any malfunction in these pores can have lethal consequences. Now new research reveals further ...

Biology / Cell & Microbiology

created Sep 29, 2009 | popularity 5 / 5 (1) | comments 0

New route to leukemia uncovered

(PhysOrg.com) -- Scientists have discovered a completely new route by which leukaemia develops, according to research published in Nature this weekend.

Medicine & Health / Cancer

created Sep 28, 2009 | popularity 5 / 5 (1) | comments 0

New INL project will improve nuclear reactor simulations

A new project at Idaho National Laboratory and Brookhaven National Laboratory will improve the way scientists model the inner workings of nuclear reactors.

Physics / General Physics

created Sep 25, 2009 | popularity 5 / 5 (1) | comments 0

Secrets in a seed: Clues into the evolution of the first flowers

Approximately 120-130 million years ago, one of the most significant events in the history of the Earth occurred: the first flowering plants, or angiosperms, arose. In the late 1800s, Darwin referred to their development ...

Biology / Plants & Animals

created Sep 14, 2009 | popularity not rated yet | comments 0

A Theory of Dark Matter

Among the most astounding, unexpected, and important achievements of the past century (or even more) have been the discoveries of dark matter and dark energy, collectively dubbed the "dark sector."

Physics / General Physics

created Sep 08, 2009 | popularity 3.6 / 5 (45) | comments 58

Lipid involved with gene regulation uncovered

Virginia Commonwealth University School of Medicine researchers have discovered a new role for the bioactive lipid messenger, sphingosine-1-phosphate, or S1P, that is abundant in our blood - a finding that could lead to a ...

Medicine & Health / Cancer

created Sep 04, 2009 | popularity 5 / 5 (4) | comments 0

NGC 4945: The Milky Way's not-so-distant Cousin

(PhysOrg.com) -- ESO has released a striking new image of a nearby galaxy that many astronomers think closely resembles our own Milky Way. Though the galaxy is seen edge-on, observations of NGC 4945 suggest ...

Space & Earth / Astronomy

created Sep 02, 2009 | popularity 4.8 / 5 (4) | comments 2

Finding the ZIP-code for gene therapy: Scientists imitate viruses to deliver therapeutic genes

A research report featured on the cover of the September 2009 print issue of The FASEB Journal describes how Australian scientists developed a new gene therapy vector that uses the same machinery that viruses use to transp ...

Biology / Biotechnology

created Aug 31, 2009 | popularity 5 / 5 (2) | comments 0

Turning back the clock: Fasting prolongs reproductive life span

Scientific dogma has long asserted that females are born with their entire lifetime's supply of eggs, and once they're gone, they're gone. New findings by researchers at Fred Hutchinson Cancer Research Center, published online ...

Biology / Cell & Microbiology

created Aug 27, 2009 | popularity 4.8 / 5 (5) | comments 0

Evolutionarily preserved mechanism governs use of genes

Researchers at Uppsala University have found that the protein coding parts of a gene are packed in special nucleosomes. The same type of packaging is found in the roundworm C elegans, which is a primeval relative of humans ...

Medicine & Health / Genetics

created Aug 18, 2009 | popularity not rated yet | comments 0