Researchers at NYU Langone Medical Center have discovered a new paradigm to understand the molecular principles of gene transcription in bacteria. The study reveals an allosteric mechanism by which Rho terminates transcription and shows that Rho binds tightly to RNA polymerase throughout the transcription cycle.
Researchers identified a causal link between serotonin receptors and depression treatment resistance. Higher autoreceptor levels in the brain were associated with reduced stress resilience and decreased response to antidepressant medication.
Researchers found that a master regulatory protein called KAP1 orchestrates silencing of viral sequences, preventing harm to the host. The discovery provides insights into evolution and suggests potential new therapies for fighting AIDS.
The soybean genome shows evidence of two polyploid events, 59 million and 13 million years ago, which resulted in the plant's unusual ability to produce proteins and oils. Most genes are duplicated at chromosome ends, where recombination occurs, and these duplicates have evolved into new genes.
Researchers found that macrophages along the blood-brain barrier can either activate the brain's stress response machinery or prevent excessive inflammation. This discovery may pave the way for novel therapies for neurodegenerative diseases.
Researchers have identified a dozen protein building blocks in the venom of male platypuses, which cause excruciating pain. The study's findings suggest that one of these substances, Heptapeptide 1, triggers pain by interacting with nerve cell receptors.
Researchers found six essential oils, including thyme, can inhibit the COX-2 enzyme, which contributes to inflammation. Thyme oil proved most active, reducing COX-2 levels by almost 75% with carvacrol as the primary active agent.
Scientists from CSHL and Hebrew University Medical Center use next-gen sequencing to rapidly identify the mutated TMEM216 gene as the cause of Joubert Syndrome. The study reveals a high carrier rate of 1:92 among Ashkenazi Jews, making it possible to prevent the disease through premarital genetic screening.
Research found that UK prisoners formed groups along ethnic lines for protection and shared interests, yet experienced racist tensions. Prisons lacked gangs, but minority ethnic prisoners faced harsh treatment from staff, sparking fears of institutional racism.
Researchers at MIT have found that cells with higher activity levels are more likely to survive and integrate into the adult brain. This discovery is significant for cell replacement therapies used to treat neurological diseases like Parkinson's and Alzheimer's.
Researchers found that some antiviral drugs may make viruses stronger, rather than killing them, raising concerns about their effectiveness and potential to create super viruses
China has made significant strides in scientific research, surpassing other nations in chemistry patent applications and publications. The country published 67,000 patent applications in 2009, more than any other nation, and saw a quadrupling of scientific papers with Chinese authors.
A Yale team found that inhibitory neurons in the visual cortex control how excitatory cells interact, allowing the brain to process complex scenes efficiently. The 'iceberg phenomenon' shows that only essential information is processed, while non-essential stimuli are suppressed.
Zachary Mainen, coordinator of the Champalimaud Neuroscience Programme, receives €2.3M ERC grant to study serotonin's function in the brain and its impact on behaviours such as eating and sleeping. The grant aims to develop novel tools for making definitive tests of serotonin function.
Researchers found that male hormones can help vessels around the heart regenerate, potentially explaining why men experience worse heart attacks earlier in life. Androgen replacement therapy might one day be used to treat men at risk for heart disease.
Tropical Storm Edzani is undergoing significant changes, with its rainfall confined to the southeast and a fully exposed low-level circulation center. The storm is elongating due to strong westerly winds, eventually transitioning into an extra-tropical storm and moving safely away from land areas.
Research suggests that migraines and depression share a common genetic link, particularly in those with migraine with aura. The study found that 56% of migraine traits are explained by genetic factors, with heritability scores indicating a shared genetic pathway between the two disorders.
A recent survey of over 800 new nursing students in Italy found that more than half were current or former smokers, with 44% still smoking and 12% being former smokers. The study also highlighted the significant influence of family members on smoking habits, with three-quarters of smoking students having at least one parent who smoked.
Drake Deming, a Senior Scientist at NASA's Goddard Space Flight Center, has won the prestigious Beatrice M. Tinsley Prize for his pioneering work detecting thermal infrared emission from transiting extrasolar planets using the Spitzer Space Telescope. The prize recognizes Deming's outstanding research contribution to astronomy and astr...
Astronomers from Caltech and other institutions have detected an extrasolar planet, HD 156668b, with a mass just four times that of Earth. The discovery highlights the potential for finding Earth-mass planets in the habitable zone, making it a promising lead in the search for life beyond our solar system.
Researchers have identified at least three different genes involved in the emergence of stripes, spots, and other markings on domestic cats. The study's findings may also contribute to understanding human skin disorders that follow standardized patterns.
A recent study identified 155 regions on the canine genome influenced by selective breeding. These regions contain 1,630 known or predicted protein-coding genes linked to physical and behavioral variations such as size, coat color, and behavior.
Yale researchers found that cancer-causing mutations can cooperate to promote tumor development even when located in different cells within a tissue. Stress conditions like wounds can trigger cancer formation by activating signaling process JNK.
Researchers found that watching or thinking about someone with good self-control makes others more likely to exert self-control. Conversely, people with bad self-control influence others negatively. The effect of self-control is so powerful that subliminal exposure can change behavior.
Researchers have sequenced 85% of the soybean genome, providing critical information to improve crop yields, disease resistance, and nutritional content. The discovery includes genes conferring resistance to a devastating disease and mutations that enhance digestibility and phosphorus absorption.
Researchers at Uppsala University shed light on ribosome function by detailing chemical reaction mechanisms, identifying key role of water molecules in catalysis. The findings suggest a few components induce the catalytic effect, with surrounding structure holding them in place.
A study from Columbia University Medical Center found that an excess of one type of serotonin receptor in the brain's center may cause antidepressants to fail for half of patients. Researchers created a mouse model with high and low receptor levels, showing that reducing receptors can transform non-responders into responders.
The Woods Hole Oceanographic Institution will receive a $8.1 million grant to construct the Laboratory for Ocean Sensors and Observing Systems, enabling fabrication and maintenance of new ocean observing systems. The facility will support various ongoing projects, including the Ocean Observatories Initiative.
The soybean genome sequence provides a parts list of what it takes to make a soybean plant, identifying genes essential for agronomic traits like protein and oil content. The analysis also revealed targets for modifying output to bolster biodiesel production.
Research from North Carolina State University identifies trends among states with the biggest funding problems, offering insights into addressing unfunded liabilities. States with larger workforces per capita tend to have higher unfunded liabilities, while poor pension management also contributes to the issue.
The prevalence of high body mass index (BMI) among US children and teens has remained stable over the past decade, with no significant decline in obesity rates since 1999. High BMI is a public health concern, increasing the risk of chronic conditions like diabetes and cardiovascular disease.
Researchers at TGen Clinical Research Services have discovered three microRNAs that can predict patients with small-cell lung cancer who will be resistant to first-line chemotherapy. These biomarkers, miR-92a-2*, miR-147, and miR-574-5p, were identified through a study of 34 patients with varying stages of SCLC.
Scientists sequenced the soybean genome to understand its genes and improve characteristics. However, duplicated genes present a challenge, with many copies shuffled, making prediction difficult. Genome sequencing eliminates this issue, enabling faster research advancements.
The PLATO trial shows that ticagrelor, a stronger anticlotting medication, reduces the risk of cardiovascular death and heart attacks without increasing bleeding in heart attack patients. This new analysis finds significant and clinically relevant reductions in cardiovascular and total deaths, myocardial infarction, and stent thrombosis.
Researchers found scant evidence of antibiotic resistance genes in isolated polar bears, contradicting previous findings in other animals. The study suggests that the spread of antibiotic resistance may be caused by human contact, rather than natural occurrence.
A team of researchers has resolved a long-standing conflict in the theory of galaxy formation, using millions of hours of supercomputer simulations. The study reveals that cosmic explosions, such as supernovas, play a key role in preventing the formation of stars and dark matter at the centers of dwarf galaxies.
A new analysis by UCSF researchers found that African Americans account for over 8% of smoking-attributable healthcare expenditures and 13% of smoking-attributable mortality costs in California. The study aimed to provide an objective picture of the economic burden of tobacco use on African American Californians.
Researchers at Duke University Medical Center have identified neurons in the songbird brain that convey auditory feedback needed to learn a song. The study lays the groundwork for improving human speech in individuals with damaged auditory nerves, and explores how the brain compares performance-related feedback to a sensory model.
Scientists have found that biochar production could be a viable way to sequester carbon and produce renewable energy. The study's life-cycle analysis suggests several biochar systems have the potential for economic viability.
A new study indicates a decline in biomedical research funding, sparking concerns about the growing national autism public health crisis. Autism Speaks calls for increased funding to explore factors contributing to the increase in autism prevalence and to develop more effective treatments.
A recent study by Cornell University scientists reveals that trees have evolved to maximize photosynthetic capacity through a decrease in specific leaf area as they increase in size. This change is attributed to a developmental shift towards short-shoots, which produce leaves with smaller specific leaf areas than long-shoots.
A study by Massachusetts General Hospital researchers found that using words like 'abuser' to describe substance-use patients can lead to punitive attitudes and decreased likelihood of treatment. Changing the terminology may help reduce shame and guilt, making it easier for individuals to seek help.
Greenroads aims to recognize companies using sustainable methods, provide ideas for greener practices, and offer incentives for environmentally friendly roads. The system allows up to 118 points for voluntary actions, including noise mitigation, storm-water management, and waste reduction.
The Surviving Sepsis Campaign has been shown to improve sepsis treatment, with a significant increase in compliance with performance measures and a decline in hospital mortality rates from 37% to 30.8%. The campaign's updated guidelines are endorsed by 18 professional societies and hospital networks globally.
Researchers found dopamine agonists trigger increased learning from beneficial outcomes and greater prediction error in susceptible individuals, leading to choice bias towards gains. The study provides insight into the brain mechanisms underlying behavioral addictions in Parkinson's disease patients.
LeanGreenFood, an EU-funded network, educates 17 scientists from six countries on sustainable food production. The focus is on improving yields, reducing water and energy consumption, and lowering chemical use through the development of enzyme-based technology.
A new study published in Psychological Science found that men's testosterone levels increase when exposed to scents from women who are ovulating. The research suggests that this response may promote mating-related behavior in males. This study provides direct evidence of the influence of olfactory cues on male biological responses.
Researchers have made the first direct radio image of a stellar coronal loop at star Algol, which may aid in understanding how space weather affects Earth. The coronal loop is roughly similar to those at the sun but with a more powerful magnetic field and larger size due to tidal effects.
A study by the University of Gothenburg found that young Swedish men are consuming at least double the recommended daily amount of salt. The high salt intake may lead to high blood pressure, a major risk factor for heart problems and stroke, although no direct connection was detected in the study.
Recent US data suggest a slowdown in the rate of increase for obesity in recent decades, with prevalence stabilization among women and potential slowing for men. The study found that 68% of US adults are overweight or obese.
Researchers at ACS' Organic Letters journal have created a more affordable version of the anti-flu drug Tamiflu by leveraging D-ribose, a naturally occurring sugar. The new process could significantly reduce production costs, making it easier to distribute the medication globally.
Astronomers have found a giant magnetic loop stretching from one star to the other in the Algol binary system. The discovery was made using an international collection of radio telescopes and helps explain previous observations at X-ray and radio wavelengths.
A new international study has found that ustekinumab is more effective than etanercept in treating moderate to severe psoriasis. Ustekinumab showed a 75% improvement in symptoms in 67.5% and 73.8% of patients, compared to 56.8% for etanercept.
A study by Georgia State University researchers found that young offenders' perception of an early death fuels their engagement in crime and violence. The study suggests that the prospect of a shortened life expectancy encourages young people to focus on immediate rewards, including crime.
Researchers at Purdue University emphasize the importance of understanding local human cultures in conserving African wildlife. Their study highlights how selective logging can help sustain local antelope populations, reducing hunting pressure on protected species.
Researchers discovered that distinct cancer-causing mutations in neighboring cells can cooperate to promote tumorigenesis. The study found that the genetic cooperation occurs through a signaling pathway that activates cellular proliferation and stress response pathways.
A new national survey of children's health reveals significant gaps in insurance coverage, with over 6.7 million uninsured kids and nearly 1/4 insured kids lacking adequate care. Obesity rates have increased, affecting 10 million youths ages 10-17.
A review of DCIS research highlights the need for accurate identification of patient subsets and modification of treatment guidelines to focus on high-risk lesions. Researchers also emphasize the importance of biomarkers in determining risk status, allowing for targeted aggressive treatment.
The human and chimpanzee Y chromosomes differ significantly in structure and gene content, with the chimp Y having lost up to half of its human counterpart's genes. This rapid evolution is thought to be driven by intense sperm competition between males, leading to the favoring of advantageous sperm production genes over detrimental ones.
A Scripps/LLNL team has won a grant to improve greenhouse gas emissions verification using continuous atmospheric measurements. The method will focus on industrially produced gases with limited sources, aiming to create reliable computer representations of emissions activity.