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Content about Biology and genomics

May 2, 2007
iSGTW Image of the Week - Neurons in Action

Image of the Week - Neurons in Action Simulation of calcium levels in nerve cells after stimulation.Image courtesy Ion Moraru, University of Connecticut Health Center  The Richard D. Berlin Center for Cell Analysis and Modeling at the University of Connecticut Health Center focuses on creating new technologies for understanding the dynamic distributions of molecules in living cells. CCAM is the home of the Virtual Cell, a grid-enabled tool to build models and run cellular simulations. The Virtual Cell can model the reactions, diffusion, membrane transport, flow, electrical potential and currents within a cell. Users can create compartmental or spatial simulations (1-D, 2-D or 3-D) on analytical or image-based geometries. The image at the right, taken from a presentation given by Ion Moraru at the 2007 Open Science Grid All Hands meeting, simulates a wave of calcium influx into nerve cells after simulation.

April 25, 2007
Feature - Medical Research on the Erasmus Computing Grid

Feature - Medical Research on the Erasmus Computing Grid A simulated view of the three-dimensional architecture of genetic material as it appears in a human cell nucleus. Colors signify different chromosomes.Image courtesy of Tobias A. Knoch, Erasmus Medical CenterLarge portions of our DNA, it seems, serve no apparent purpose. Researchers in the field of genomics, however, are interested in all sections and levels of organization of an organism’s DNA—from the DNA sequence to the overall morphology of a cell nucleus. Scientists in the Biophysical Genomics Group in the Department of Cell Biology and Genetics at Erasmus Medical Center in The Netherlands believe that the genome has much to tell us. A consortium of researchers, using the new Erasmus Computing Grid, seek to determine the three-dimensional structure of the human genome. They hope that looking at the shape of all our genetic material as a whole will give us a more complete understanding of how our bodies maintain and reproduce themselves. “We would l

April 4, 2007
iSGTW Statistic of the Week - World Community Grid

Statistic of the Week - 1,000 Image courtesy of IBMEach week the World Community Grid, a volunteer computing project, receives about 1,000 years of run time from its members for grid-based humanitarian research. Researchers from around the world benefit from the World Community Grid, a philanthropic project run by IBM. Some of the projects running currently include genomic comparison, protein folding studies and HIV/AIDS, Dengue Fever and Muscular Dystrophy research. To participate visit the World Community Grid Web site to download software which will enable your computer to donate unused processing power.

March 21, 2007
iSGTW Feature - Grids Aid Battle Against Cancer

Feature - Grids Aid Battle Against Cancer A digital image such as this one, showing lesions in a patient's liver, can now be distributed among participating hospitals through a grid. Image courtesy of Ignacio BlanquerSpanish medical staff in the region of Valencia have a new weapon in the arsenal against cancer. In January, a team of medical and computing researchers launched a grid-enabled infrastructure that shares oncological studies, digital images and reports among five hospitals in the Valencia region.“In the field of oncology, quantification is very important for diagnosis,” says Ignacio Blanquer, associate professor of computer science and researcher in the High Performance Computing and Networking Group, at Universidad Politécnica de Valencia in Spain. “The more information the radiologist has at hand, the more objective and accurate the diagnosis.” On March 22, the team Blanquer works with, led by Vicente Hernandez, will present the deployment of CVIMO, the Valencian Cyberi

March 7, 2007
iSGTW Statistic of the Week - 4.3 Million

Statistic of the Week - 4.3 Million A simulation of the drug binding to a protein from the malaria parasite. Image Credit Vinod KASAM, CNRS/IN2P3Number of potential malarial medicines tested in two and a half months by the second phase of the WISDOM initiative. WISDOM analyzed possible docking arrangements between drug compounds and target proteins of the malaria parasite, with the hope of accelerating the search for anti-malarial drugs.  The WISDOM initiative, carried out as an international cooperative project, completed January 31. Several international calculation grids made WISDOM possible, including EGEE, AuverGrid, EELA, EUMedGrid, EUChinaGrid, TWGrid, BioinfoGrid and Embrace.To learn more click here.

February 14, 2007
iSGTW Feature - Unlocking Secrets of the Heart

Feature: Unlocking Secrets of the HeartA volumetric heart model created from a surface model received from New York University.Image courtesy of the Computational Visualization Center, University of Texas at Austin Mathematical models of hearts may not be the most romantic of things, but to patients at risk for vascular disease they hold much more promise than a box of chocolates. Scientists from the University of Texas at Austin combine images of people’s hearts and arteries with mathematical modeling techniques to simulate the interaction between blood flow and the walls of the heart and arteries. The goal of the project is to help physicians better predict the onset of vascular disease and evaluate treatment plans for affected patients.“Our work is focused on the development of patient specific models. We use material- and flow-related data from the literature, but by imaging a person, we capture his or her geometry,” says Victor Calo, a postdoctoral fellow in the team from the Institute for Computational Engin

February 7, 2007
iSGTW Feature - Geneticists' Gateway to the Grid

Feature: Geneticists’ Gateway to the GridCircular representation of the Shewanella oneidensis genome.Adapted by permission from MacMillan Publishers Ltd: Nature Biotechnology 2002 Nov; 20(11):1118-23, copyright 2002.In many biological disciplines, and particularly in the field of genetics, the answers to scientists’ questions are buried under mountains of complex data. In genome sequencing—ordering the billions of chemical building blocks that make up the genetic code of a cell—a newly discovered genome is compared to vast databases of well-known and publicly available genomes. Comparing new genomes to huge, ever-growing databases has become a task that is larger than one computer, even a supercomputer, can handle. Grid computing has stepped up to meet the challenge, with the help of the Genome Analysis Database Update tool.  GADU, which creates workflows, runs them on Open Science Grid and TeraGrid, and stores the output, is a backend for applications used by geneticists for tasks ranging from biomedica

December 20, 2006

Link of the Week: Genome Comparison on the World Community Grid

Image credit World Community Grid

The World Community Grid, which uses public computing resources to tackle projects that benefit humanity, launched its first cooperative project with South American scientists in November. The Genome Comparison project, a collaboration between World Community Grid and the Oswaldo Cruz Institute, Fiocruz, Brazil, will compare genomic information to improve the quality and interpretation of biological data and our understanding of biological systems, host-pathogen and environmental interactions. This information can play a critical role in the development of better drugs and vaccines and improved diagnostic procedures.

December 6, 2006

Feature: How the Grid Helps You SEE

Grid Enabled SEE++ helps plan procedures for surgery to correct conditions like strabismus.
Image Courtesy Karoly Bosa/SEE++

Eye surgery is always a delicate and worrying process, but for sufferers of the condition known as strabismus, it can be even worse. A person with the strabismus condition, known more commonly as cross- or wall-eyed, cannot align both eyes simultaneously under normal conditions.
“Doctors generally use books to decide how to proceed with strabismus surgery,” says Karoly Bosa from Austria’s Johannes Kepler University. “They often have to guess how to proceed and redo the surgery two or three times, which is painful for the patient. What we are doing helps to change that.”
Bosa and his colleagues have been working to adapt SEE++, an application for biomechanical simulations of the human eye, to a grid environment. The application, used in hospital