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News tagged with envelope

Research reveals novel transport mechanism for large ribonucleoproteins

The movement of genetic materials, such as RNA and ribosomes, from the nucleus to the cytoplasm is a critical component in a cell's ability to make the proteins necessary for essential biological functions. Until now, it ...

Biology / Cell & Microbiology

created May 10, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Gaseous halos of galaxies are much larger, more massive than the distribution of stars within the galaxy

New, high-precision equipment orbiting Earth aboard the Hubble Space Telescope is now sending such rich data back to astronomers, some feel they are crossing the final frontier toward understanding galaxy ...

Space & Earth / Astronomy

created Nov 17, 2011 | popularity 4.8 / 5 (9) | comments 29 | with audio podcast

DNA 'off switch' may reverse premature aging

The secret to preventing or reversing premature aging may be found in a DNA “off switch” that humans share with common yeast, according to new research from the University of Toronto.

Biology / Biotechnology

created Jun 15, 2011 | popularity 4.5 / 5 (4) | comments 2 | with audio podcast

HIV protein unveils vaccine target

(PhysOrg.com) -- An international study headed by a UC Davis scientist describes how a component of a potential HIV vaccine opens like a flower, undergoing one of the most dramatic protein rearrangements yet ...

Medicine & Health / HIV & AIDS

created Mar 31, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

New findings detail how virus prepares to infect cells

(PhysOrg.com) -- Researchers have learned the atomic-scale arrangement of proteins in a structure that enables a virus to invade and fuse with host cells, showing precisely how the structure morphs with changing ...

Biology / Cell & Microbiology

created Dec 01, 2010 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

Pore 'vision' improved

A team led by Naoko Imamoto of the RIKEN Advanced Science Institute in Wako, Japan, has uncovered processes governing the formation of functionally important structures called nuclear pore complexes (NPCs) ...

Biology / Cell & Microbiology

created Oct 18, 2010 | popularity not rated yet | comments 0

RD114 envelope proteins provide an effective and versatile approach to pseudotype lentiviral vectors

Therapeutic lentiviral vectors are emerging as vital tools for molecular medicine as evidenced by the growing number of clinical trials using these vector systems. From a basic research standpoint, lentiviral vectors are ...

Medicine & Health / Medical research

created Sep 30, 2010 | popularity not rated yet | comments 0

Mysterious Planet-like Object Challenges Simple Definition, Reveals Its Surprising Identity

(PhysOrg.com) -- A mysterious planet-like object orbiting a not-quite-starlike "brown dwarf" is the most recent enigma discovered by astronomers with their ever-more powerful telescopes. Kamen Todorov, a graduate ...

Space & Earth / Astronomy

created Apr 06, 2010 | popularity 4.6 / 5 (24) | comments 2 | with audio podcast

The 'secret weapon' of retroviruses that cause cancer

Oncogenic retroviruses are a particular family of viruses that can cause some types of cancer.

Medicine & Health / Medical research

created Feb 15, 2010 | popularity not rated yet | comments 0

Chromosomes dance and pair up on the nuclear membrane (w/ Video)

(PhysOrg.com) -- Meiosis - the pairing and recombination of chromosomes, followed by segregation of half to each egg or sperm cell - is a major crossroads in all organisms reproducing sexually. Yet, how the ...

Biology / Cell & Microbiology

created Nov 13, 2009 | popularity 4.7 / 5 (3) | comments 0

Hidden Territory on Mercury Revealed

The MESSENGER spacecraft's third flyby of the planet Mercury has given scientists, for the first time, an almost complete view of the planet's surface and revealed some dramatic changes in Mercury's comet-like ...

Space & Earth / Space Exploration

created Nov 04, 2009 | popularity 4.8 / 5 (20) | comments 1

Researchers induce HIV-neutralizing antibodies that recognize HIV-1 envelope protein, lipids

For the first time, researchers have experimentally induced antibodies that neutralize HIV-1 and simultaneously recognize both HIV-1 envelope protein and lipids. The results were reported by U.S. Military HIV Research Program ...

Medicine & Health / HIV & AIDS

created Sep 01, 2009 | popularity not rated yet | comments 0

Winning While Losing: New Strategy Solves 'Two-Envelope' Paradox

(PhysOrg.com) -- Researchers from Australia have taken a step toward resolving a seemingly simple yet unsolved paradox known as the "two-envelope" problem. They’ve worked out a new strategy that can enable ...

Other Sciences / Mathematics

created Aug 18, 2009 | popularity 3.6 / 5 (34) | comments 42 feature

Matrix protein key to fighting viruses

Researchers from Durham University's Centre for Bioactive Chemistry are developing methods that show how proteins interact with cell membranes when a virus strikes. Using their approach, the team hopes to ...

Chemistry / Biochemistry

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

A natural approach for HIV vaccine

(PhysOrg.com) -- For 25 years, researchers have tried and failed to develop an HIV vaccine, primarily by focusing on a small number of engineered "super antibodies" to fend off the virus before it takes hold. So far, these ...

Medicine & Health / HIV & AIDS

created Mar 15, 2009 | popularity 4 / 5 (1) | comments 0