Tag: "attachment" at biology news

Most highly endowed promotion prize for fourteen scientists and scholars

...where he gained his Ph.D. and after completing an attachment as a Feodor Lynen Fellow at Toronto University qu...ml;ttingen in 1981, and completing a post-doctoral attachment in the USA, he was appointed Assistant Professor at Rockefeller University. Further posts at the Max...

Learning how cell's tiny motor powers its mobility

...andthrows its rearward partner forward to the next attachment site, like swinging the rear leg forward tothe nex...ts created kinesinmolecules that included specific attachment points for various marker molecules that would help revealhow the neck linker moves. To obtain "snap...

Jellyfish protein illuminates active immune cells

...o the nucleus,MEKK2 also contributes to the active attachment between the two cells. "MEKK2 isdirectly involved ... and to holdonto an APC," said Monks. This active attachment of the T cell to the APC is critical for immuneresponse activation. "Stabilization is biologically i...

Research zeroes in on killer molecule in dioxin toxicity

...e research aimed at discovering ways toprevent the attachment of a killer molecule to other cells, or even prevent itsactivation by dioxins. Dioxin is a highly toxic environmental pollutant formed as a byproduct duringthe manufacture and bleaching of paper. It is one of the most biologicallypotent chemicals, a...

New study establishes when pregnancy starts

...s to be the most successful. The later the attachment takes place, the more likely a pregnancy willend on its own, the scientists found. Conceivably -- no pun intended - as a natural protective mechanism, theuterus tends to reject fertilized eggs that take too long to adhere to thelining because...

Earliest Modern Tree Lived 360-345 Million Years Ago

...; althoughseed plants now have that ability." "The attachment of branches was the same as modern trees, with swelling at thebranch base to form a strengthening collar and with internal layers of wooddovetailed to resist breaking," says Scheckler. "We had always thought this wasmodern but it turns out that the f...

Scientists Discover Important Molecular Link That Allows Cells To Form Blood Vessels

...ial cell-cell recognition and that it directs cell attachment behaviorof endothelial cells. Previous work by researcher David Cheresh at the ScrippsResearch Institute demonstrated that angiogenesis is disrupted by agents thatblock alpha 5 beta 3 connects with the extracellular matrix. The matrix can belikened t...

New Findings On Primitive Shark Contradicts Current View Of Jaw Evolution

...primitive as Pucapampella had a bony fish-like jaw attachment suggests thatmodern shark jaws are an more advanced characteristic than the jaws of bonyfish. This closer evolutionary relationship between sharks and bony fish, inturn, influences how science may now view the relationship between jawed andjawless v...

Bacteria From Gum Infections Associated With Diabetes, Chronic Lung Disease, UB Studies Find

...er risk of developing lung disease than those with attachment lossof less than 2 mm, results showed....

Molecular Doorway Holds Key To Gene Therapy

...o receptors:a primary receptor, which serves as an attachment molecule, and a secondaryreceptor -- the integrin co-factor -- that facilitates virus internalization,"Summerford says. She notes that AAV is yet another example of a virus that usesmultiple cell surface receptors to mediate its entry into cells. HIV...

Quality Control System Ensures Genetic Instructions Are Ready To Go

... in the cytoplasm.They then showed that amino acid attachment is required for efficient deliveryof the tRNA out of the nucleus. "This told us the cell really does monitor whether the tRNA can function beforeit is released into the cytoplasm," he said. Dahlberg said it behooves cells to ensure tRNA molecules d...

Discovery Of New Fossils In Gobi Desert Of Mongolia Provides Important Insight Into Early Mammal Evolution

... large bony process at the back of the jaw for the attachment of chewing muscles and a distinct pattern of openings in the skull to accommodate blood circulation, but it lacked many other features that arose in modern marsupials. The juvenile specimen found at Ukhaa Tolgod is particularly important because it d...

New "Bacteria Bashers" Wipe Out Infection

...e Weizmann scientists have discovered that peptide attachment depends primarily on chemical composition, not structure. As a result, a synthetic peptide does not require a particularly good fit to be effective. This simplicity should make it relatively easy to produce such peptides in large quantities and to d...

Vitamin E Prevents Early Plaque Formation

... earlystage of artery-clogging plaque involves the attachment of the monocyte to human endothelial cells - the artery wall. Preventing this step could be another important target in the treatment ofatherosclerosis, said Jialal, who is also a senior investigator in the Centerfor Human Nutrition at UT Southwester...

Idun Pharmaceuticals Identifies Cell Type And Molecular Pathway Involved In TransplantationRelated Liver Damage

...ient. This deprivation is known asischemia. Upon attachment to the recipient's circulatory system, blood andoxygen flow to the liver is re-established, a process known as reperfusion.While researchers have known that the ischemia/reperfusion, which occurs duringtransplantation, results in cell damage, the mol...

Aluminium Study Puts Drinking Water In The Clear

...ngsources of aluminium in the Australian diet (see attachment for details). Thisstudy was undertaken by Dr. Fiona Cumming of the Australia New Zealand FoodAuthority and Ms. Jane Allen of Deakin University on behalf of WSAA. The report found that the average amounts of aluminium that Australians consumethrough...

Yes Virginia, Plants Are Alive!

...kind ofexperiential learning promotes an emotional attachment to the natural world anda greater understanding, awareness, and respect for the environment. Childrenwho interact with nature are more likely to grow up as adults concerned with thepreservation of the earth's resources. The speakers will include Jo...

Researchers Discover Way To Grow New Kidneys In Rats

...rejectedby rats' immune systems within 6 months of attachment to ureters. Hammermansuspects this partly reflects the host origin of the kidney's blood vesselsbecause foreign blood vessels are a major stimulator of rejection. The use of adeveloping kidney also was key to reducing the immune response. A rat rejec...

Washington University Professor Receives Young Investigator Award In Microbiology

...y bacterial pathogens, because they allow specific attachment of the organismto specific host tissues. The genetics, transport and binding of pili have beenthe central focus of Dr. Hultgren's scientific work. He also has worked to characterize the complex pathway of pilus assemblyrequired for virulence, includ...

Researchers Discover Ways The Ulcer/Cancer Bug Can Trigger Disease

...hment."We wanted to find out whether -- and how -- attachment could alter the outcome ofinfection," Gordon says....ase the risk of cancer, Gordon suggests. "Sothough attachment isn't necessary for H. pylori infection, it markedly affectsthe outcome of infection," he says. ...

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