Research by G. Edgar Folk and colleagues found that Arctic animals, including rodents, maintained a 24-hour cycle of rest and activity despite living in continuous light. The study suggests that these animals may be conscious of the sun's position in the sky and use it as a cue to regulate their circadian rhythm.
A study published in Cell Metabolism reveals that the MAT1 gene plays a crucial role in regulating energy production in heart cells. Researchers found that infant mice lacking MAT1 developed catastrophic heart failure, highlighting the importance of this gene in maintaining cardiac function.
Scientists at Arizona State University are working on a new DNA sequencing project that combines physics, chemistry, and nanotechnology to dramatically lower the cost of genome sequencing. The goal is to make genome sequencing a routine diagnostic tool in medical care for diagnosing and treating common diseases.
Researchers at Johns Hopkins University have developed a way to coat nanoparticles with a chemical that helps them slip through the body's protective mucus barrier. This breakthrough could lead to more effective treatments for diseases like cancer and infections, delivered directly to affected areas without unwanted side effects.
Researchers found that resistance-breathing training and endurance respiratory muscle training improved swimming endurance by 33-38% and breathing capacity. The study also showed significant improvements in underwater scuba swimming time by 66%.
The Biophysical Society has awarded Minority Travel Awards to seven students attending the 2007 annual meeting in Baltimore. The recipients are from top universities across the US and will present their research on various biophysics topics.
Researchers at UC Berkeley found that humans gain a performance advantage from cross-nostril comparisons when tracking scents. With training, humans can improve their accuracy significantly and nearly double their speed. This discovery challenges the common assumption that humans are poor smellers compared to other mammals.
The University of Virginia Health System has received a $583,000 NIH training grant to train four new researchers in kidney disease research annually. This multidisciplinary program aims to address the growing problem of kidney disease by equipping researchers with skills to translate lab research to clinical practice.
Gene-bending proteins recognize and bind tightly to bent DNA conformation, suggesting DNA plays a role in guiding correct bending protein to site on DNA. This finding challenges the conventional dogma that it is the protein that bends the DNA.
Researchers have discovered a flexible coiled-coil region in dynein that enables rapid conversion of chemical energy into mechanical force, powering cell division and mitochondrial transport. This breakthrough sheds light on the protein's function and may hold implications for understanding neurodegenerative disorders.
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.
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.
Researchers have used a new type of light microscope to visualize the distribution of H2AX proteins in the cell nucleus, revealing clusters that direct DNA repair after damage. This discovery provides new insights into the complex process of gene repair and its relationship with other nuclear components.
Researchers uncover that junk DNA can generate microRNAs, regulating protein production, contradicting previous assumptions. The discovery expands our understanding of functional genomics and sheds light on the mysterious role of non-coding sequences in human development and disease.
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.
Researchers have found that three popular laboratory breast cancer cell lines share a similar genetic profile with human breast tumors. This discovery provides evidence for the accuracy of laboratory cell line models and their potential to inform treatment outcomes.
Researchers at Oregon State University discovered that aging blood vessels lose elasticity due to a breakdown in cellular signaling. A complex enzymatic process explains how this occurs, involving phosphorylation and ceramide synthesis. Diet rich in fruits and vegetables may help slow down this natural process.
Researchers have determined the APOBEC-3G protein structure, providing key insights into its role in the immune system and potential as a drug target. The study suggests that editing errors introduced by A3G can help defend against HIV, and future drugs may be designed to replicate this natural protection.
Researchers at UC Berkeley and LBNL have developed light-sensitive switches that can trigger chemical reactions, muscle contractions, and nerve cell stimulation. The goal is to equip retina cells with these switches to restore light sensitivity in people with macular degeneration.
Researchers at the University of Washington developed an implantable electronic chip that induces brain changes in monkeys lasting more than a week. The device strengthens weak connections in the motor cortex, which may have potential in rehabilitating patients with brain injuries or paralysis.
A team of researchers has discovered that DNA ligase changes shape from an open to a closed conformation as it joins DNA strands together. This finding reveals new insights into the genetic repair mechanism and its potential as a target for cancer treatment.
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.
Arizona State University has received a $1.1 million grant from the National Science Foundation to develop innovative nanotechnology solutions for solar energy. The team aims to create tiny devices that can harness light energy more efficiently and convert it into electricity.
Biophysicist Quhuan Li to visit Oklahoma Medical Research Foundation laboratory for three months, learn flow-enhanced cell adhesion techniques and set up systems at her home university. The Biophysical Society's award supports international collaboration and knowledge sharing in biophysics
Researchers have developed a way to image cell membranes with record resolution, shedding light on their chemical composition and organization. This breakthrough allows for high-sensitivity analysis of biological samples on a nanoscale, providing new insights into cellular function and behavior.
Scientists are researching ways to reduce radiation-induced brain damage for Mars missions, which could lead to new treatments for conditions like Alzheimer's disease. The research project is part of a $14-million study funded by NASA to determine the human brain's maximum safe cosmic radiation dose.
Researchers identified a gene mutation that regulates smooth muscle contraction and blood pressure in rats, leading to hypertension. The study may lead to improved treatments by targeting the proliferation of smooth muscle cells.
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.
George M. Whitesides receives the 2007 Priestley Medal for his groundbreaking research in NMR, materials science, and nanotechnology, with potential applications in electronics, pharmaceuticals, and medical diagnostics.
The Biophysical Society has named twelve award recipients for their groundbreaking work in biophysics. These individuals have made significant contributions to our understanding of lipid biophysics, single molecule research, and the structure-function relationships of biological macromolecules.
The Biophysical Society has recognized twelve members with its 2007 awards, honoring their outstanding contributions to biophysics. The awardees include Klaus Gawrisch, Ken A. Dill, and Taekjip Ha, who have made significant impacts in fields such as lipid biophysics, single molecule research, and education.
Acute lymphoblastic leukemia (ALL) and acute myeloid leukemia (AML) leukemias develop when chromosomal abnormalities disrupt blood cell formation. A new study identified a fusion of proteins created by flawed chromosomes as a trigger for leukemia development, along with an enzyme's crucial role in this process.
A novel proteomics study has shown that proteins regulating brain-cell activity behave like volume controls, allowing for incremental levels of activity. This 'homeostatic plasticity' enables neurons to adapt to changing environments.
Two medical researchers, Chen Ding-Shinn and Rao Zihe, have made significant contributions to understanding infectious diseases and developing a comprehensive vaccination campaign. Mathematicians Jacob Palis and C.S. Seshadri are recognized for their groundbreaking work in dynamic systems and algebraic geometry, respectively.
Researchers found that suppressing telomerase, a key enzyme in cancer cell growth, can inhibit the spread of melanoma. By reducing glucose metabolism, cancer cells lose their ability to metastasize and regain lost pigmentation.
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.
Researchers at Arizona State University have made a groundbreaking discovery in the field of photoprotection, finding that carotenoids can neutralize excess sunlight energy without oxidation. By measuring the electrical conductance within biomolecules, the team found that carotenoids can handle electron overload in a neutral state.
The L'Oréal USA Fellowships for Women In Science program recognizes young women in groundbreaking research, focusing on cell biology, organic chemistry, conservation, optics, and cellular biophysics. The program aims to support their careers and build networks, encouraging a diverse range of scientific advancements.
Researchers develop IMPY tracer to visualize abnormal protein in Alzheimer's and prion diseases, providing new directions for future research. The tracer may also aid in early diagnosis of Alzheimer's with single photon emission computed tomography (SPECT) imaging.
Researchers have designed a new quantum processor core that keeps qubits active all the time, enabling faster calculations and making quantum computers more efficient. This breakthrough could lead to advancements in fields like molecular biology, biophysics, and materials science.
Hong Li's research on biomolecules has yielded new insights into RNA recognition and cleavage by a splicing endonuclease. The study provides critical information on the functioning of biomolecules, which could lead to new treatments for various health problems.
The Penn CEET aims to improve environmental health through research and outreach, focusing on lung disease, endocrine systems, and gene-environment interactions. The center will collaborate with local communities to address pressing environmental concerns.
Researchers have identified a novel protein called JHDM2A that plays a key role in gene activation mediated by the androgen receptor, a protein responding to testosterone and dihydrotestosterone. This discovery has implications for prostate cancer treatment, as lowering androgen levels can shrink or slow cancer growth.
Researchers found that inhibiting myosin light chain kinase with ML-7 induces cell suicide in breast and prostate cancer cells. Combination with etoposide treatment reduces tumor growth by 88.5% and 79.1%, offering new target for cancer therapies.
The American Physiological Society has named Steed, a doctoral student, its first K-12 Minority Outreach Fellow. She will visit classrooms to share her career path and model for minority students what they can achieve in biomedical research. The fellowship aims to encourage pre-college minority students to consider careers in science.
Sarah Elgin, a renowned biologist, has been re-funded by the Howard Hughes Medical Institute (HHMI) for her research on chromatin structure in fruit fly gene regulation. Her workshop, Research Explorations in Genomics, aims to make biology education accessible to students and faculty nationwide.
Scientists at the University of Rochester Medical Center have found a mechanism to modify the effects of major drug class, potentially leading to better control of pain relief, inflammation, and heart disease. The new drugs aim to influence related signaling on the inside of cells, rather than on the outside.
UB researchers have discovered an agent, L-AP4, that activates group III metabotropic glutamate receptors and reverses damage caused by rotenone. The findings could lead to a new treatment for Parkinson's disease.
The pHLIP peptide accumulates in cell membranes at low pH and translocates molecules into cells without relying on traditional entry pathways. This technology has potential applications in imaging, diagnosis, and treatment of diseases associated with acidic environments.
Joan A. Steitz and Thomas D. Pollard, two Yale biologists, have been awarded the 2006 Gairdner International Award for their groundbreaking discoveries in understanding autoimmune disease and cell motility. Their work has significant implications for improving human quality of life.
Researchers have discovered a potential new treatment for breast cancer metastasis to bone, where 70% of patients develop bone metastases. The study found that osteoprotegerin inhibits RANKL, a protein promoting bone breakdown and cancer cell growth.
The Amazon rainforest grows in greenery and lush vegetation during the dry season, contrary to the general pattern of plant growth. This phenomenon is observed only in undisturbed forest areas, where trees' deep roots allow them to reach water even during dry periods.
Ahmet Yildiz developed a new technique for fluorescence imaging that allowed him to identify the 'walking mechanism' used by protein motors in living cells. He applied this technique to measure how Myosin V, a biomolecular motor involved in intracellular transport, moves.
Researchers have made a breakthrough in understanding how viruses infect cells using cryoelectron microscopy and computational methods. The study reveals the importance of proteins beyond the surface shell in binding to host cells, injecting DNA, and packaging it during virus formation.
Researchers discovered a unique toxin shared by spider venom and certain bacteria, suggesting lateral gene transfer between the two. The study's findings may lead to developing treatments for brown recluse bites and corynebacterial toxins.
Researchers solved the structure of a water-protein channel in plants and found that specific residues control the opening of the channel. The study could lead to new agricultural techniques and pharmaceuticals targeting aquaporin proteins.
Scientists have successfully demonstrated a new measurement technique, single molecule absorption spectroscopy, combining optical absorption with atomic-scale resolution of scanning tunneling microscopy. This breakthrough enables the detection of individual molecules under laser illumination.
A novel enzyme, JHDM1A, has been discovered to remove methyl groups from histones, a finding with diverse implications for understanding gene regulation and its role in diseases. The study suggests that many proteins containing a similar domain may also be involved in histone demethylation.
Researchers found that cancer cells can signal surrounding tissue cells to alter their molecular composition, promoting tumor growth and proliferation. The study suggests that cell mutations that promote cancer progression may arise in non-cancerous cells, indicating a need for broader anti-tumor therapies.
Researchers at Arizona State University have developed a technology that can directly identify single nucleotide polymorphisms (SNPs) in DNA molecules using electrical conductivity. The technique involves measuring the electrical conductance of a single DNA molecule, which can reveal sequence information and detect mutations.