Researchers at the University of Illinois Chicago have discovered a chemical compound, 2-aminoethyl phosphonate, in male blue crabs that is not present in females. The presence of this metabolite has significant implications for understanding animal development and biochemistry.
Researchers recreated a 450-million-year-old protein using X-ray crystallography and mapped its structure. They found that only seven mutations were needed to evolve the ancient receptor into its modern form, with some 'permissive' changes paving the way for more significant transformations.
A recent study by MUHC and McGill University has shed light on the mechanisms triggering cancer cell growth, potentially leading to targeted therapies. The research discovered that ubiquitin promotes interactions between proteins Cb-b, which plays a crucial role in mitigating uncontrolled cell proliferation.
Eight scientists and one politician have been recognized by ASBMB for their groundbreaking work, advancing the field of biochemistry and molecular biology. The awards will be presented at Experimental Biology 2008 meeting in San Diego.
Researchers at Queen's University have made a groundbreaking discovery about the breakdown of vitamin D, revealing that changing a single amino acid in the hydroxylase enzyme can alter its pathway. This finding has significant implications for the treatment of cancer and other diseases associated with vitamin D deficiency.
Researchers at Max Planck Institute for Biochemistry have developed a novel, noninvasive sensor that couples ion streams directly to microelectronic devices using direct cell–chip contact. This breakthrough enables selective measurement techniques for diagnostics and drug research without destroying the cells.
Researchers at Goethe University Frankfurt have identified a novel Ub conjugation reaction that allows for more efficient manipulation of key proteins in the treatment of cancer and other diseases. This discovery provides a basis for novel therapeutic approaches that are more specific than existing drugs like Bortezomib.
Researchers at Weill Cornell Medical College have discovered two potential points of vulnerability in the XIAP protein, a key player in cancer cell survival. Targeting these activities could lead to tumor cell death and reduced tumors.
Researchers at Georgetown University Medical Center have constructed the largest synthetic gene ever built, which contributes to malaria drug resistance. The PfMDR1 gene, when expressed in yeast, produces large quantities of its protein, allowing for molecular understanding of how Plasmodium falciparum becomes resistant to drugs.
Researchers have discovered the controlling enzyme, GDP-L-galactose phosphorylase, which serves as the biosynthetic pathway for plants to manufacture vitamin C. This breakthrough could lead to engineered plants with increased vitamin C content, improving plant resistance and human nutrition.
Researchers use archaeology, biochemistry, and ecology to study the behavior and ecology of northern fur seals over 1,500 years. They find evidence of reproductive behavior in prehistoric populations that differs from modern populations.
Researchers reconstructed the species' prehistoric geographical range using techniques from archaeology, biochemistry, and ecology. Prehistoric northern fur seals were year-round residents in California, nursing their young for much longer than modern fur seals.
The completed Aedes aegypti genome sequence reveals over 1,000 transposable elements occupying approximately 50% of the genome. These elements may be developed as tools to study mosquito-virus interactions and potentially lead to controls on disease transmission.
Scientists created a model of proline dehydrogenase, an enzyme that enables the creation of superoxide, a reactive oxygen species involved in cell death and cancer prevention. The human form of this enzyme is difficult to work with, so researchers studied its bacterial counterpart, Thermus thermophilus.
Researchers create covalent organic frameworks with high thermal stability, surface areas and extremely low densities. COF-108 has the lowest density reported of any crystalline material, suitable for storing hydrogen, methane and carbon dioxide.
Researchers found that fats in the stomach reduce vitamin C's ability to protect against cancer-forming compounds. The presence of lipids overrides the antioxidant effect, allowing harmful nitrosating species to form.
Researchers have developed new two-photon absorbing molecules that enable the creation of polymer features as small as 65 nanometers wide using simplified lithography techniques. This breakthrough reduces the cost and complexity of fabricating nanoscale electronic and photonic devices.
Stuart F. Brown, a Fortune magazine writer, has won the 2007 James T. Grady-James H. Stack Award for Interpreting Chemistry for the Public. The award recognizes his ability to convey complex scientific concepts in an engaging and accessible manner.
Researchers at UCSB are developing a new approach to determine the structure and composition of the Abeta 42 peptide, which is responsible for Alzheimer's disease. They hope to find non-toxic drugs that can prevent further damage by identifying early markers of the disease.
A new type of protein discovered by Queen's University researchers may be useful in developing treatments for antibiotic-resistant bacteria. The protein, called YihE or RdoA, has been shown to be a potentially good target in a wide range of bacteria that cause infectious diseases.
Researchers at Max Planck Institute successfully integrated in-vitro synthesized membrane proteins into artificial lipid membranes, overcoming previous difficulties due to protein solubility. This breakthrough enables the creation of biosensors that can detect poisons, explosives, or drugs.
Brüschweiler recognized for fundamental contributions to nuclear magnetic resonance spectroscopy and its applications in protein characterization, leading to a deeper understanding of protein behavior and potential disease treatments.
SUNY Downstate researchers develop a substance that inhibits the progress of multiple sclerosis in an animal model. The agent, a novel calpain inhibitor, can be administered orally and has shown promise in treating both acute and chronic phases of MS.
Researchers at Oregon State University developed a new method to identify DNA-binding transcription factors that help steer stem cells. The study, announced in Proceedings of the National Academy of Sciences, used mouse embryonic spinal cord as a model and identified the subset of genes involved in producing various cell types.
Dr. Andrew Z. Fire's article in November MCP explores the development of an assay to observe protein interactions in vivo, confirming previously documented interactions and discovering new ones in C. elegans. The study also identifies key associations between RNA interference and nonsense mediated decay pathways.
Researchers witness steps in biological nitrogen fixation process, enabling microbes to convert atmospheric nitrogen to nutrients. The study suggests the biological process does not follow the same pathway as the chemical method.
A team of researchers has developed a new method for targeting malignant brain tumors by inducing cancerous cells to commit suicide. The technique uses a molecule containing long, double-stranded RNA attached to epidermal growth factor (EGF) and delivered selectively to cells with high EGF receptors.
Biochemistry and Molecular Biology Education journal is published by Wiley, featuring innovative teaching techniques, research, and reviews of biochemical knowledge. The journal aims to promote quality education in the field, supported by IUBMB.
A study by molecular biologists at Rice University and Baylor College of Medicine suggests that the most stable parts of a protein are also the parts that fold first. The research combined advanced computational modeling with cutting-edge experiments to investigate protein folding.,
U of MN researchers developed a mouse model for centronuclear myopathy, a poorly understood muscle disease. They found that knocking out the gamma actin gene impaired muscle cell function, leading to muscle cell death, and identified this protein as a key player in muscle structure.
A recent study has found that crenarchaeota, a group of single-celled microbes, are the Earth's most abundant land-based creatures capable of oxidizing ammonia. This discovery challenges the long-held belief that bacteria were solely responsible for nitrogen cycles.
Rick Cote, a professor of biochemistry and molecular biology at UNH, has received a $1.4 million grant from the NIH to study the central enzyme that controls initial steps of vision. His research aims to understand how genetic or environmental defects in the visual pathway can cause vision loss or total blindness.
A Rice University study has identified the complexin protein as a brake that shortens response time for signal transmission in nerve cells, enabling nearly instantaneous passing of information. This breakthrough sheds light on the mechanisms behind rapid neural signaling.
Researchers at the University of Minnesota have discovered a novel class of tumor-targeting compounds that inhibited tumor growth by up to 80 percent in animal studies. The compounds, designed to mimic anti-angiogenic proteins, show promise in treating solid and liquid tumors, including those found in leukemia and other blood cancers.
A study published in Biochemistry reveals that damage to proteins caused by oxidative stress is linked to a natural byproduct called nitration, which could be used to predict the earliest stages of brain impairment. The research uses the most detailed proteomic analysis of a mammalian brain to date.
Xiaodong Wang's groundbreaking discoveries in programmed cell death have provided new directions for cancer treatment, highlighting the balance between cell birth and death. His work has also revealed key proteins like cytochrome c involved in apoptosis.
Sirtuins have been implicated in the health benefits of calorie restriction, which is known to lengthen life span. The discovery reveals that sirtuins directly control specific metabolic enzymes called AceCSs, transforming them into a form that allows the body to utilize acetate as an energy source.
A Queen's University study discovered a new heterodimer formed by COX-1 and COX-2 enzymes in genetically modified mice. This finding may impact the development of alternative anti-inflammatory drugs, potentially reducing cardiovascular risks associated with existing pain medications.
Precision biochemistry techniques track DNA damage in fish, identifying low-level lesions that correlate with pollution. These biomarkers can provide a direct measure of contaminant impact and assess pollution remediation efforts.
A new theory suggests that life emerged in environments with unique biochemistry, such as oxygen-free sediment. The microbe Methanosarcina acetivorans produces both methane and acetate, shedding light on early metabolism and the evolution of microbial production of methane.
Researchers found that compounds binding to CB2 receptor suppress white blood cell migration, a key step in fighting infections and inflammation. This discovery suggests potential therapeutic applications for cannabinoids in treating inflammatory diseases.
Researchers found that inhibiting heme oxygenase-1 activity reduces tumor growth in mice with Kaposi's sarcoma lesions. The study offers a potential new treatment for the disease.
Xiaolian Gao, a UH biology and biochemistry professor, is among the 24 honorees for her DNA chip research that has the potential to make complete functioning organisms. Her technology could lead to alternative energy sources, natural product synthesis, and gene therapy procedures.
Researchers at UCSD have discovered how bacterial messenger RNA is unfolded to be read by the cell's protein-making machinery. The study reveals essential factors required for this process and provides insights into developing novel antibiotics targeting these vulnerabilities.
A recent study conducted by Virginia Tech researchers found that the Swedish Autologous Chondrocyte Implantation (ACI) method produces repairs with excellent durability. The study, which used a controlled biotribology device, compared the wear of ACI-repaired cartilage to normal cartilage from the same joint.
A team of researchers at the University of Georgia has discovered a gene that encodes one of the proteins responsible for pectin synthesis, a major component in plant cell walls. This breakthrough discovery could lead to advances in plant disease resistance and potentially manipulate pectins to fight cancer.
Scientists have made a breakthrough in understanding how Mycobacterium tuberculosis survives within immune cells, revealing a sophisticated protein-cleaning mechanism that could be targeted by new anti-TB drugs. This discovery may lead to effective treatments for TB and potentially eradicate the disease from infected individuals.
Researchers found that gamma-tocopherol, commonly consumed through corn and soybean oil, destroys animal cells by preventing proper protein folding. In contrast, alpha-tocopherol does not have this effect. The study suggests a possible evolutionary explanation for the body's preference for alpha-tocopherol.
The study uses a Fourier transform ICR mass spectrometer to analyze protein molecules and measure changes in receptor dynamics upon binding. This technique enables highly accurate pictures of tiny amounts of protein molecules, offering a powerful way to probe drug-protein interactions.
Merchant identified a critical protein molecule that measures copper levels and responds to its presence in green algae, shedding light on the adaptive mechanisms of life. Her research has implications for human nutrition and may reveal new strategies for allocating essential nutrients.
Researchers use confocal laser scanning microscopy and Raman spectroscopy to analyze ancient microorganisms in Martian rocks, revealing insights into biochemistry and degradation over millions of years. The techniques allow scientists to view fossils in three dimensions, providing new evidence for the search for life on Mars.
Researchers screened 480 strains of soil bacteria for resistance to 21 antibiotics and found that all were multi-drug resistant. The study suggests that studying resistance in the soil can help predict future clinical problems and guide the development of new therapies.
The researchers determined the pre-fusion structure of the F protein using X-ray diffraction, providing a complete picture of how paramyxovirus F protein works to infect cells. This discovery has significant implications for developing improved protein-based vaccines and designing novel anti-viral agents.
A team of scientists at Duke University used computer-chemistry techniques to study the docking orientation required for a Cdc25B phosphatase enzyme to activate a cyclin-dependent kinase protein complex. The researchers discovered that specific hot spots on the molecules' surfaces must align precisely for the brief docking to accomplis...
Researchers sequenced Salinibacter ruber's genome, discovering evidence of independent evolution of salt-surviving biochemistry. The bacterium also borrowed genes from neighboring archaea in an unusual example of cross-domain lateral gene transfer.
Brandeis will develop a program in quantitative biology to understand biological functions. The university will hire a new faculty member and provide funding for courses, seminars, and instrumentation.
Researchers at VCU Massey Cancer Center have successfully combined two novel drugs to treat breast cancer, achieving profound tumor cell death in a short period. The combination of UCN-01 and a MEK 1/2 inhibitor shows great potential for treating various types of cancer.
Researchers have discovered that sphingosine kinases SphK1 and SphK2 have opposing roles in regulating ceramide biosynthesis, with SphK2 potentially sensitizing cancer cells to chemotherapy. This finding may lead to the development of more effective chemotherapeutic agents targeting specific sphingosine kinase without affecting others.
A new drug developed at UC Davis in collaboration with Finnish researchers shows promise in preventing breast cancer and treating post-menopausal vaginal atrophy. The study found that the drug inhibited breast cancer development by 95% in mice, suggesting a potential benefit for millions of women.
Researchers found that a protein called CPSF73 is necessary for producing mRNA needed to create histone proteins, which combine with DNA to form chromosomes. This discovery provides a unified mechanism for synthesizing all messenger RNAs.