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Division in Biological News

AAAS Pacific division scientific conference to meet in San Francisco Aug. 14 - 19

WHAT: The American Association for the Advancement of Science's Pacific Division will convene its 2009 Annual Meeting in San Francisco, bringing together scholars from the Western U.S. to share their work. Marking 150 years since publication of Charles Darwin's On the Origin of Species, the ...

Protein that triggers plant cell division revealed by researchers

From the valves in a human heart to the quills on a porcupine to the petals on a summer lily, the living world is as varied as it is vast. For this to be possible, the cells that make up these living things must be just as varied. Parent cells must be able to divide in ways that create daughter ce...

Study may aid efforts to prevent uncontrolled cell division in cancer

Researchers from the Ludwig Institute for Cancer Research at the University of California, San Diego School of Medicine have uncovered a remarkable property of the contractile ring, a structure required for cell division. Understanding how the contractile ring works to divide the cell may facilit...

Brain building: Study shows brain growth tied to cell division in mouse embryos

How your brain grows might come down to how your cells divide. In the April 6 issue of the Journal of Cell Biology ( JCB ), Lake and Sokol report that mouse protein Vangl2 controls the asymmetrical cell division and developmental fate of progenitor neurons. Vangl2 (aka Strabismus in flies) is...

New cell division mechanism discovered

A novel cell division mechanism has been discovered in a microorganism that thrives in hot acid. The finding may also result in insights into key processes in human cells, and in a better understanding of the main evolutionary lineages of life on Earth. The study is published today in the online v...

LIAI launches new division to look at novel approaches to heart disease and inflammation

SAN DIEGO (September 30, 2008) While cholesterol-lowering drugs and new technologies have significantly advanced the nation's battle against heart disease, it continues to rank as the No. 1 killer of U.S. men and women. But if researchers at the La Jolla Institute for Allergy & Immunology (LIAI)...

Death, division or cancer? Newly discovered checkpoint process holds the line in cell division

Each day, a staggering number of cells perform a feat that still amazes researchers with its complexity: they divide to produce perfect replicas of each other. The process is called mitosis, and an inability to control it is one of the hallmarks of cancer. Little is known about the biochemica...

A study reveals how cells communicate to activate the cell division machinery

This release is available in Spanish . A study performed by researchers at the Institute for Research in Biomedicine (IRB Barcelona) on the fruit fly, Drosophila melanogaster, unveils how distinct signaling pathways operate between neighboring cells in order to activate the cell proliferatio...

Slicing chromosomes leads to new insights into cell division

ANN ARBOR, Mich.By using ultrafast laser pulses to slice off pieces of chromosomes and observe how the chromosomes behave, biomedical engineers at the University of Michigan have gained pivotal insights into mitosis, the process of cell division. Their findings could help scientists better unde...

New models question old assumptions about how many molecules it takes to control cell division

Blacksburg, Va. -- A single cell whether a yeast cell or one of your cells is exquisitely sensitive to its surroundings. It receives input signals, processes the information, makes decisions, and issues commands for making the proper response. As with any control system, noise errors, slip-ups,...

Scientists deconstruct cell division

Baltimore, MDThe last step of the cell cycle is the brief but spectacularly dynamic and complicated mitosis phase, which leads to the duplication of one mother cell into two daughter cells. In mitosis, the chromosomes condense and the nucleus breaks down. Fibrous structures called spindles form, w...

Proteins strangle cell during division

A Swedish research group, partly financed by NWO, has discovered a new mechanism for cell division in a microorganism found in extremely hot and acidic conditions. The results of the research offer insights into evolution, but also into the functioning of the human body. The research has been rece...

Rong Li Lab probes mechanism of asymmetry in meiotic cell division

The Stowers Institute's Rong Li Lab has characterized a mechanism that allows for asymmetrical cell division during meiosis in oocytes. By tracking chromosome movement in live mouse oocytes, the team discovered that chromosomes can recruit to their vicinity a protein called formin-2. This protein ...

A unique arrangement for egg cell division

Heidelberg, 09 August 2007 - Which genes are passed on from mother to child is decided very early on during the maturation of the egg cell in the ovary. In a cell division process that is unique to egg cells, half of the chromosomes are eliminated from the egg before it is fertilised. Using a powe...

Rewind, please: Nature paper shows that cell division is reversible

Gary J. Gorbsky, Ph.D., a scientist with the Oklahoma Medical Research Foundation, has found a way to reverse the process of cell division. The discovery could have important implications for the treatment of cancer, birth defects and numerous other diseases and disorders. Gorbsky's findings appe...

Genes involved in cell growth and cell division identified

A recent study shows that hundreds of genes contribute to cell growth and cell division. For the first time these genes, many of which are potential contributors to cancer, have been mapped in a single systematic study. The group led by Professor Jussi Taipale (University of Helsinki and National...

Hunt for human genes involved in cell division under way

A systematic search through human genes has begun at the European Molecular Biology Laboratory (EMBL) in Heidelberg, Germany. Working within the MitoCheck consortium that includes 10 other institutes throughout Europe, the EMBL scientists will silence all human genes, one-by-one, to find those invo...

Key mechanism in genetic inheritance during cell division identified

A key mechanism in the passing of genetic material from a parent cell to daughter cells appears to have been identified by a team of Berkeley researchers. Their study may explain how a complex of proteins, called kinetochores, can recognize and stay attached to microtubules, hollow fibers in the wa...

Needling Chromosomes Reveals Cell Division Secret

By impaling individual chromosomes with glass needles one thousandth the diameter of a human hair, a Duke University graduate student has tested their "stickiness" to one another during cell division. Her uncanny surgical skills have added a piece to the large and intricate puzzle of how one cell d...

Advances in lung cancer research announced at conference

...n treating lung cancer at an international cancer research conference. Dr. Weiss, M.D., an Associate Investigator in TGen's Cancer and Cell Biology division and Director of Thoracic Oncology at TGen Clinical Research Services at Scottsdale Healthcare, made both announcements at the 13th World Conference on...

EMBO pioneers pension plan for internationally mobile postdoctoral researchers

...lan is a unique concept that has been tailored to the requirements of EMBO Fellows," said Harald Huhn, Managing Director of the Company Pension Scheme division at MLP. "It allows them to make early pension provisions without having to make any concessions in terms of their mobility." Following completion ...

More than half of Texas physicians do not always recommend HPV vaccine to girls

...re or less the same curriculum, so as a group they tend to be fairly homogenous in their beliefs," said Kahn. Sally Vernon, Ph.D., director of the division of Health Promotion and Behavioral Sciences in the University of Texas School of Public Health, said this study points to the need to further educate ...

MU researchers create drought conditions to unearth solutions

...e-of-the-art field facilities to conduct a broad range of drought-related translational research," said Felix Fritschi, assistant professor in CAFNR's division of Plant Sciences, who leads the effort. Funded by a $1.5 million grant by the Missouri Life Sciences Research Board, Fritschi and his team will ...

Fox Chase researchers uncover one force behind the MYC oncogene in many cancers

...hers found that a chromosomal inversion a genetic misalignment, where part of the chromosome containing the DLX5 gene gets flipped around during cell division cooperates with another known oncogene, AKT2, to drive cancer in mice. In the current paper, the researchers discover that DLX5 binds to and actively...

Comprehensive look at rare leukemia finds relatively few genetic changes launch disease

...long-term survivors. This study reflects the push to chart the genetic changes that free cells from normal controls and allow the uncontrolled cell division that is a hallmark of cancer. Downing said the findings underscore the need to survey the entire genome of childhood AML and take a more detailed look...

Key OSU water research receives national funding

...ER, Okla. In a first to the state of Oklahoma, Oklahoma State University's division of Agricultural Sciences and Natural Resources will receive $226,890 in gra...r Resources Research Institute. OWRRI and USGS officials are funding the division study on eastern redcedar encroachment and the water cycle in the tallgrass...

Study reveals a reprogrammed role for the androgen receptor

...gnition switch for prostate cancer cell growth and division is a master of adaptability. When drug therapy de...hich causes cells to ignore a natural pause in the division process, becomes especially active, the researcher...rt. This pause, or "checkpoint," ensures that cell division progresses normally; without it, daughter cells ma...

Protein that promotes cancer cell growth identified

...aying the growth signals from epidermal growth factor (EGF) that cause cell division and invasion. The researchers also identified an RXDLL amino acid motif tha...e-8 exerts EGF signaling through Src. Cancer results from excessive cell division and reduced cell death. A number of cell death proteins are missing from hu...

Grant supports LSUHSC research on how like cell receptor systems determine very different functions

...elopment of disease. Dr. Ashok Pullikuth in Catling's lab has recently identified a protein that functions in the intracellular movement and cell division activity of growth factor receptors as a novel phosphorylation target. Understanding this novel mechanism might be important in treating conditions th...

Scientists link immune system's natural killer cells to infant liver disease

...se by targeting certain cells or pro-inflammatory circuits," said Jorge A. Bezerra, M.D., the study's senior investigator and research director of the division of Gastroenterology, Hepatology and Nutrition at Cincinnati Children's. "The next steps for translating these findings into clinical application wo...

When children have breathing problems

...ternationally-respected journals, including the Journal of Allergy and Clinical Immunology and Toxicology . The UFZ researchers, who work in the division of Health Research in Leipzig, concentrated on three courses of analysis: "Firstly," says Leipzig-based biologist Andrea Mller, "we used measurement t...

New research finds possible genetic link to cause of pregnancy loss and disorders

...as the culprits, including Bub1. The gene plays a role in a checkpoint that ensures that chromosomes are properly divided during meiosis, the cell division process that enables a stem cell to become an egg. This checkpoint hiccups when Bub1 is mutated, sometimes producing an egg with an extra chromosome o...

A 'heart healthy' diet and ongoing, moderate physical activity may protect against cognitive decline

... e4 also raises one's risk. E3 is the most common type. E2, though rare, is thought to be protective. Thomas Obisesan, MD, MPH, FAAFP, Chief of the division of Geriatrics at Howard University Hospital and professor of medicine at Howard University College of Medicine, Washington, D.C., and colleagues exami...

Federal Bureau of Investigation Awards Lockheed Martin Biometric Card Scanning Service Contract

...tional fingerprint and criminal history system maintained by the FBI CJIS division . With this new contract, the FBI will also be able to automatically proce..., while creating employment opportunities in West Virginia," added FBI CJIS division Acting Assistant Director Jerome M. Pender. Operations for the program...

New technique can fast-track better ionic liquids for biomass pre-treatments

...xposure at relatively mild temperatures (120 degrees Celsius)," says Blake Simmons, a chemical engineer who is Vice President of JBEI's Deconstruction division and was the principal investigator for this research. "We attributed the swelling to disruption of inter- and intra-molecular hydrogen bonding between...

2 Fred Hutchinson Cancer Research Center scientists receive Presidential Early Career Award

...tific leadership, education or community outreach. An evolutionary biologist, Malik is an associate member of the Hutchinson Center's Basic Sciences division and an affiliate assistant professor of genome sciences at the University of Washington School of Medicine. He was nominated for the honor by the Nati...

Spontaneous assembly

...ning here," said Jan Liphardt, the biophysicist who led this research. Liphardt holds a joint appointment with Berkeley Lab's Physical Biosciences division and UC Berkeley's Physics Department. He is the principal author of a paper now available on-line in the Public Library of Science entitled: "Self-O...

1-finger exercise reveals unexpected limits to dexterity

... According to Valero-Cuevas, who holds a joint appointment in the USC Viterbi School of Engineering's department of biomedical engineering and the USC division of Biokinesiology and Physical Therapy, in many tasks muscle force is affected by physiological "force-velocity" properties that weaken muscles as the...

Hormone clue to root growth

...Centre for Plant Integrative Biology and Professor of Plant Sciences in the division of Plant and Crop Sciences, said: "We have shown that gibberellin plays a c... has provided 27 million for six specialised centres across the UK. The division of Plant and Crop Sciences at The University of Nottingham is one of the la...

Journal of Vascular and Interventional Radiology: New patient radiation safety guidelines

... FAIRFAX, Va."Society of Interventional Radiology 2009 Standards division Guidelines" is the subject of a special supplement to the July issue of the...uence as an academic and professional resource. "Members of SIR's Standards division have continued to develop new content as well as to revise older documents ...
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