News tagged with nuclear membrane
A step closer to understanding, averting drug resistance
(Medical Xpress) -- The multidrug transporter EmrE functions as an asymmetric antiparallel dimer (molecule with two subunits). Drug (blue) transport from the inside to the outside of the cell membrane is accomplished ...
Jan 31, 2012 |
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Study reveals enzyme function, could help find muscular dystrophy therapies
Researchers at the University of Iowa have worked out the exact function of an enzyme that is critical for normal muscle structure and is involved in several muscular dystrophies. The findings, which were published Jan. 6 ...
Jan 09, 2012 |
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One for you, one for me: Researchers gain new insight into the chromosome separation process
Each time a cell divides -- and it takes millions of cell divisions to create a fully grown human body from a single fertilized cell -- its chromosomes have to be accurately divvied up between both daughter ...
Nov 17, 2011 |
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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 ...
Nov 14, 2011 |
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Engineers probe mechanics behind rapid-aging disease
Researchers at MIT and Carnegie Mellon University are using both civil engineering and bioengineering approaches to study the behavior of a protein associated with progeria, a rare disorder in children that causes extremely ...
Sep 14, 2011 |
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Discovery could lead ways to prevent herpes spread
(Medical Xpress) -- Herpesviruses are thrifty reproducers -- they only send off their most infectious progeny to invade new cells. Two Cornell virologists recently have discovered how these viruses determine ...
Sep 14, 2011 |
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Plutonium tricks cells by 'pretending' to be iron
(PhysOrg.com) -- Plutonium gets taken up by our cells much as iron does, even though there's far less of it to go around.
Jul 11, 2011 |
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New insights on an old polymer material, Nafion, will enable design of better batteries
Designing new materials depends upon understanding the properties of today's materials. One such material, Nafion, is a polymer that efficiently conducts ions (a polymer electrolyte) and water through its ...
Jun 19, 2011 |
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Scientists create new genetic model of premature aging diseases
Working with a group of national and international researchers, scientists from the Florida campus of The Scripps Research Institute have developed a new genetic model of premature aging disorders that could shed light on ...
Apr 29, 2011 |
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Nuclear pores call on different assembly mechanisms at different cell cycle stages
Nuclear pores are the primary gatekeepers mediating communication between a cell's nucleus and its cytoplasm. Recently these large multiprotein transport channels have also been shown to play an essential ...
Jun 10, 2010 |
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Nuclear pore complexes harbor new class of gene regulators
Nuclear pore complexes are best known as the communication channels that regulate the passage of all molecules to and from a cell's nucleus. Researchers at the Salk Institute for Biological Studies, however, ...
Feb 04, 2010 |
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A cell's 'cap' of bundled fibers could yield clues to disease (w/ Video)
It turns out that wearing a cap is good for you, at least if you are a mammal cell.
Dec 02, 2009 |
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An atomic-level look at an HIV accomplice
(PhysOrg.com) -- Since the discovery in 2007 that a component of human semen called SEVI boosts infectivity of the virus that causes AIDS, researchers have been trying to learn more about SEVI and how it works, in hopes of ...
Nov 19, 2009 |
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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 ...
Nov 13, 2009 |
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Come on in: Nuclear barrier less restrictive than expected in new cells
When it comes to the two basic types of cells, prokaryotes and eukaryotes, compartmentalization is everything. Prokaryotes are evolutionarily ancient cells that only have a membrane surrounding their outer boundary, while ...
Oct 06, 2009 |
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