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Tag: "paper" at biology news

Will the plague pathogen become resistant to antibiotics?

...Y. pestis and also other bacterial pathogens. In a paper published March 21 in the new journal PLoS ONE, the authors say this possibility "represents a significant public health concern." Genetic ability to disable antibiotics, including multidrug resistance (MDR) sequences, is carried on plasmids, smal...

Experimental vaccine given during pregnancy reduces stillbirths from common virus

...ausing organisms. Dr. Schleiss said the current paper provides the basis for the potential development of a version of the vector vaccine that could be tested in human beings. ...

Prehistoric mystery organism verified as giant fungus

... any sense, but here’s the fossil." The Geology paper adds a new line of evidence indicating that the or... fungus," Hotton said. Co-authoring the Geology paper with Boyce, Hotton and Hueber himself were Marilyn Fogel, George Cody and Robert Hazen of the Carneg...

Pregnancy hormone key to repairing nerve cell damage

...g the protective coating around nerve cells. In a paper to be published in the February 21 issue of The Journal of Neuroscience, a team of researchers from the U of C's Faculty of Medicine reports that a study conducted on mice found that the hormone prolactin encourages the spontaneous production of myel...

Walking molecule now carries packages

...eyor belts are for factories of today." The last paper Bartels and his team published on this subject generated a great deal of interest. It was included in the American Institute of Physics "Top 25 Physics Stories for 2005." The new molecule carrier runs on a copper surface. It can pick up and relea...

MIT biologists solve vitamin puzzle

...r, MIT professor of biology and senior author of a paper on the work that will appear in the March 22 online edition of Nature. Vitamin B12 is produced by soil microbes that live in symbiotic relationships with plant roots. During the 1980s, an undergraduate research course taught by Walker resulted in ...

Cells use 'noise' to make cell-fate decisions

...rn, carried out much of the work for the Science paper while a postdoctoral research fellow at the Califo...cal Research. Other co-authors on the Science paper are Rajan Kulkarni and senior author Michael Elowitz, both of Caltech; Jonathan Dworkin of Columbia ...

Cracking open the black box of autoimmune disease

...sor of biology Richard Young, senior author on the paper that will appear January 21 online in Nature. "With this new list of genes, we can now look for possible therapies with far greater precision." The immune system is often described as a kind of military unit, a defense network that guards the body...

Novel computed imaging technique uses blurry images to enhance view

...ine at the U. of I., and corresponding author of a paper accepted for publication in the journal Nature Physics, and posted on its Web site. Developed by postdoctoral research associate and lead author Tyler Ralston, research scientist Daniel Marks, electrical and computer engineering professor P. Scott ...

MicroRNAs can be tumor suppressors

... and tumorigenesis (formation of tumors). This paper establishes that HMGA2 is a target of let-7, and that the let-7 microRNA functions as a tumor suppressor to prevent cancer formation in healthy cells. ...

Study finds mercury prevalent in many western fish

...mammals, said Robert Hughes, also an author on the paper and an OSU fisheries and wildlife research associate professor. "If I were a mink or an otter," Hughes said, "I'd be concerned. Those guys are loading up on fish containing mercury and we don't really know at what levels they may be affected. In b...

Reminding doctors which antibiotics to prescribe cuts C. difficile infection rates

...arisons between studies and interventions. The paper is intended to be an example of best practice for reporting such studies. Guidelines laying out minimum requirements for data recording, statistical analysis, and reporting are contained in the consensus statement for infection control studies---labe...

Engineering the heart piece by piece

...ial applications and hurdles that remain.? The paper presents a model for collaborative research betwee... and first author Yen-Chih Huang, PhD, published a paper describing their success in growing pulsing, three-dimensional patches of bioengineered heart muscle...

Blocking immune cell action increases Alzheimer's-associated protein deposits

...eath in a mouse model of Alzheimer's disease. The paper will appear in the journal Nature Medicine and has received early online release. "Our results provide in vivo evidence that the brain's immune system plays a protective role in early Alzheimer's disease by mediating the clearance of amyloid-beta,"...

Protein found that slows hepatitis C growth in liver cells

...he rate at which hepatitis C virus replicates, the paper describes the biochemical pathways that lead to PAK1 activation and the specific mechanisms by which PAK1 interferes with the ability of hepatitis C to hijack liver cells and make more copies of itself. “Our findings reveal a novel cellular contro...

Newly discovered fish named after New York aquarium biologist

...f American Museum Novitates. The authors of the paper wrote that the new species was "Named for our colleague Paul Loiselle in recognition of his many contributions to the understanding and conservation of Madagascar's freshwater fishes." Like so much of Madagascar's wildlife, all of its freshwater f...

Fruit fly gene research may shed light on human disease processes

...ir cellular and molecular processes is the same. A paper by Erickson and postdoctoral student Frank Avila detailing their work on such processes has been published in this month's issue of Current Biology, a leading biology journal. Human females have two X chromosomes in every cell, while human males h...

How fish conquered the ocean

...ists for many years", says Dr. Finn and adds, "Our paper in PLoS ONE relates to the molecular solutions evo...and proteins as published in PLoS ONE". In the paper the authors (RN Finn & BA Kristoffersen) have used Bayesian analysis to examine the evolution of...

Minuscule molecules pack a powerful punch

...nes," said Dr Antony Rodriguez, lead author on the paper from the Wellcome Trust Sanger Institute. "Although plentiful, this class of gene had never before been knocked out in mice, the best model for human disease. "But we simply did not know whether microRNA knockouts would have an effect in mice: pr...

New test helps identify hepatitis C patients at high risk of developing cirrhosis

...a way to hedge the bets. The lead author of the paper is Hongjin Huang, PhD, associate director of liver diseases at Celera in Alameda, Calif. Huang and her Celera colleagues developed the test by initially scanning the DNA of more than 1,000 people who had hepatitis C. Out of 25,000 genetic variati...

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