Tag: "transport" at biology news

Yale Cell Biologist Joel Rosenbaum, to receive Prestigious Wilson Award

...he flagella. They named the process intraflagellar transport (IFT). These initial observations led to biochemical and genetic studies showing that molecular motors controlled movement of the IFT particles. When the motors were stopped, flagella would not form, and already-formed flagella became shorter. The...

Lifton honored by two medical societies for work on hypertension

...ho made seminal observations on salt and potassium transport in the kidney and has been a leader in understanding the relationships between renal and cardiovascular diseases, and to increase awareness of the rising epidemic of cardiovascular disease and mortality in patients with chronic kidney disease. A me...

Vaccine-producing 'plant-factories'

...entficas (CSIC) has discovered a new route for the transport of proteins in plant cells, a discovery that will enable the biotechnological design of plant factories. Amongst other applications, these can be used to produce oral vaccines which, upon being ingested, will be able to immunise against diseases. Mor...

USGS at Society of Environmental Toxicology and Chemistry

...ent in groundwater and have the most potential for transport in the subsurface. For more information, contact Mark J. Benotti at mbenotti@usgs.gov or 631-736-0783 x126. SETAC presentation is Thursday, Nov. 9, 4:50 p.m., Room 516AB, Palais de Congrs. After the Hurricanes The Contaminants Left Behind in New...

Dartmouth study contributes to research addressing malnutrition and iron deficiency

...on is dependent on a protein called VIT1, shown to transport iron into the vacuole. Dartmouth Professor of Biological Sciences Mary Lou Guerinot, the principal investigator on the study, says, "Iron deficiency is the most common human nutritional disorder in the world today, afflicting more than three billi...

Plant studies reveal how, where seeds store iron

...ization depends on a protein called VIT1, known to transport iron into the vacuole. "Iron deficiency is the most common human nutritional disorder in the world today, afflicting more than 3 billion people worldwide," said Mary Lou Guerinot, a biologist at Dartmouth College in N.H. and the principal investiga...

Researchers show that veins stiffen as we age

... connect the arteries to the veins. The veins then transport the blood back to the heart. The veins are equipped with valves to prevent any backflow of blood caused by gravity as blood is returned to the heart from the lower extremities. The walls of the veins are made of collagen and elastin, two proteins th...

The CReSA is working on a new strategy to combat spongiforms

...he prion gene with a small sequence that acts as a transport signal to cellular compartments called lysosomes. Once the vaccination is administered, the prion quickly degrades in the lysosome, allowing a marked improvement in the presentation of the cells of the immune system and inducing a powerful antibody a...

Saving salivary glands from the collateral damage of radiation therapy

...ssion of aquaporin 5, which is important for water transport in salivary glands. It is interesting to note that the results with HSP25 were similar to those observed with amifostine, an FDA-approved radioprotective drug. However, differences did exist: only amifostine protected all components of salivary fl...

News tips from the Journal of Neuroscience

... corticalneurons and monitored labeled presynaptic transport vesicles (STVs) as they paused at predefined sites along axons, even in the absence of neuronal or glial contact. Contact with a neuroliginexpressing non-neuronal cell induced formation of presynaptic terminals specifically at STV pause sites. Stable...

Researchers find 'zip code' spurs cargo transport in neurons

...hers have identified a peptide that can spur cargo transport in nerve cells, a discovery that could help scient...arch also sheds light on the complex intracellular transport system inside nerve cells. This transport system is critical to nervous system function, bringing pr...

Always keeping a safe distance

...d States, have been carrying out research into how transport proteins can move in cells without bumping into or...mportant to avoid backups and collisions, as these transport processes are vital for every organism. Motor proteins take care of transport in cells, carrying t...

Protein important in blood clotting may also play a role in fertility

... for male mouse fertility while studying how cells transport chloride, sodium and potassium, Yuan notes. The results appear online in advance of print publication in the journal Molecular and Cell Biology. The study was funded by the National Institutes of Child Health and Human Development, part of the Nation...

USGS presents a world of science at GSA in Philadelphia

...frastructure have made it difficult to produce and transport this resource. USGS is working with the Afghan government and international organizations to build a clean and sustainable system of energy development. John SanFilipo, PCC 110AB, 4:15-4:30 pm Venezuelan Disaster: In December 1999, one of the wors...

NSF awards $4.5 million to researchers for study of protein folding mechanisms

...ctional proteins -- or from nano-pores designed to transport proteins between intracellular compartments. For most proteins the delicate balance of forces that controls and guides the folding process is highly sensitive to environmental solution conditions such as salt concentration, pH, temperature, viscos...

Potential new therapeutic target for asthma, allergies and cancer

...ncer in terms of developing drugs that inhibit the transport of SIP out of cells. Sarah Spiegel, Ph.D., professor and chair, VCU Department of Biochemistry, and colleagues reported how S1P, which also regulates many important physiological functions in cells, is transported out of mast cells. S1P is produced ...

Symposium at Yale to honor Mary Helen Goldsmith and auxin research

...h by environmental signals and hormones, the polar transport of auxin, and the role of proton pumps and ion channels in acquisition of nutrients. The featured speakers of the symposium include former students, research associates and colleagues of Goldsmith. The symposium will begin with opening remarks by ...

Giant insects might reign if only there was more oxygen in the air

...ts don't breathe like we do and don't use blood to transport oxygen. They take in oxygen and expel carbon dioxide through holes in their bodies called spiracles. These holes connect to branching and interconnecting tubes, called tracheae, Kaiser explained. Whereas humans have one trachea, insects have a whol...

Leveling the field for babies with persistent pulmonary hypertension

...lowing birth when breathing trouble requires rapid transport to a neonatal intensive care unit. "What happens in utero is that all your gas exchange is through the placenta, so there is only about 8 percent of cardiac output actually going through the lungs," says Dr. Black. "When you are born, obviously ther...

Continued warming of the Arctic Ocean

... some of the open questions. For this purpose, the transport of warm, high salinity water from the Atlantic to the Arctic has been recorded in the strait between Greenland and Spitsbergen, using an elaborate fixture system. Previous measurements have indicated the occurrence of several strong warm pulses duri...

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(Date:2/10/2015)... WALTHAM, Mass., Feb. 10, 2015  Alere Inc. ... announced its financial results for the quarter ended ... Executive Officer and President of Alere said, "We ... refocussing Alere as the global leader in rapid ... closing the Alere Health divestiture in early January ...
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