Protein helps regulate the genes of embryonic stem cells
... the unit of genetic information."Depending on the precise nature of the histone modification, any given gene associated with modified histones is marked to be turned on or off. In the study, eed is the first protein shown to be required for the addition of a single methyl group to histone H3, said Montgomer...Super predators and mass extinctions; extreme NMR; and the world's smallest solenoids
... tight confines of well holes. It may also lead to precise measurements of very weak magnetic fields, including those surrounding living creatures and the Earth itself. The Smallest Solenoid T. Ono and K. Hirose PRL 94, 206806 (2005), 27 May 2005 http://link.aps.org/abstract/PRL/v94/e206806 Nanoscopic wi...Other highlights in the June 1 JNCI
...f breast cancer and perhaps other cancers, but the precise risk is uncertain. To determine the risk of cancer among heterozygous ATM mutation carriers, Douglas F. Easton, Ph.D., of Cambridge University in England, and colleagues obtained cancer incidence and mortality information for 1,160 relatives of 169 B...MSKCC researchers uncover structure of key protein complex in cells
...al layout is an important step toward learning its precise function, and in finding ways to correct flaws in the system that could lead to cancer. Using x-ray crystallography, the researchers identified how one protein, a molecule called the Small Ubiquitin-related Modifier (SUMO-1), is connected or "conju...World-first technology enables study of ancient bacteria
...ecial cutting chamber to enable scientists to take precise sediment samples and grow bacteria from them at pressures as high as 1,000 atmospheres. A special ram for the system was produced by the Technical University, Berlin. As well as studying potentially the deepest organisms on Earth this research might...Traditional models underestimate extinction rates
...e the large, high-quality datasets that led to the precise predictions reported here. Conservation efforts will depend on developing methods of generating reliable predictions with the limited data available from the field....World Ocean Day: How satellites safeguard our waters
...visat spacecraft - which function by measuring the precise time a radar pulse takes to bounce back to its sat...LTO/DUACS (Segment for ALTimetry, Orbitography and precise localisation/ Developing Use of Altimetry for Climate Studies). Mercator Ocean, the French contribut...Studies reveal how cells sense oxygen
...s to low oxygen have been studied extensively, the precise identity of mammalian oxygen sensors remains controversial. The current studies address the controversy about the role that mitochondria play in oxygen sensing, which should allow the field to move forward." Mammals require oxygen to obtain energy an...Unweaving amyloid fibers to solve prion puzzles
...s, researchers haven't been able to identify their precise molecular structures. Conventional techniques used...h to each other. Krishnan was able to identify the precise segment at which the prions interact--something that no one had done before him with a real prion. ...'Molecular zipper' may hold important clues to Alzheimer's, Parkinson's and mad cow disease
...iology, and member of the team that determined the precise positions of all the atoms in the peptide. The UCLA chemists and molecular biologists had difficulty analyzing tiny crystals from the small peptide using standards methods of X-ray crystallography. Nelson and coworker Robert Grothe, formerly of the H...JCI table of contents July 1, 2005
...P) and Indian hedgehog (Ihh) are important for the precise regulation of cartilage development, but the mechanisms that guide chondrocytes during bone formation were not well understood. In a study appearing online on June 9 in advance of the print publication of the July 1 print issue of the Journal of C...Space measurements of carbon offer clearer view of Earth's climate future
...able satellite observations of carbon gases. More precise information of where on the surface CO2 is being removed or emitted would go a long way to shrinking areas of uncertainties within current models. However ground-based carbon dioxide measurements are difficult and expensive to perform, requiring for ...Physical and functional interaction of key cell growth molecules linked to cancer
...tive target for cancer therapeutics. However, the precise role of EGFR in cancer cell biology has remained elusive. Recent studies have shown that in response to growth factor stimulation, a fraction of EGFR molecules move from the cell membrane into the nucleus, where the genetic material of the cell is l...GINA collaboration to boost response to summer fires
...imagery from Landsat 5 will give firefighters more precise locations and finer-grained pictures than the statewide coverage of 250-meter resolution MODIS scenes we provide them several times each day," said GINA Director and University of Alaska President's Professor of Remote Sensing Buck Sharpton. GINA, a ...Lance Armstrong through a physiological lens: hard training boosts muscle power 8%
... will stimulate additional research to clarify the precise nature, time course, and significance of the physiological adaptations induced by short sprint interval training." The study, "Six sessions of sprint interval training increases muscle oxidative potential and cycle endurance capacity in humans," by K...Breakthrough: Scientists create world's tiniest organic particles
...this, no one else has fused the highly uniform and precise methods for fabricating transistors with the organic nanoparticle world," said Bruce Boucher, president of Liquidia. "It is truly a revolutionary discovery."...Study: Harmless virus kills some cancers
... gene therapy. Future studies will investigate the precise mechanisms through which AAV2 causes cancer cell death, and how the virus might be enhanced to more aggressively target and kill cancers. A provisional patent application for this work was recently submitted....UC Davis researchers discover receptor pathway for C-reactive protein and its effects
...duces CRP. "In future studies, we will examine the precise pathways by which these receptors are able to mediate CRP effects so that more specific therapies can be developed to target inflammation," said Jialal. Coronary heart disease is the nation's single leading cause of death. According to the American H...Mapping neuron connections in the brain
...ulations or tedious experimental methods requiring precise three-dimensional reconstructions of neuron arbors, tremendously branched structures formed by neurons. Part of the difficulty in mapping lies in the complex structure of arbors. Amirikian has improved on past methods by developing a theoretical ...Dirk Inz receives the Francqui Prize for Biological and Medical Sciences 2005
...a brand new branch of biology that strives to make precise models of complex processes through the combination of molecular biology, high-throughput functional studies, and bioinformatics. Prof. Inz is interested in how the cell proliferation process is integrated with the development of plants. This researc...