Researchers discovered sharks can detect small delays in odor detection to navigate, using bilateral detection to orient towards the strongest scent. This finding refutes previous theories on scent trail following and may lead to improved underwater robots for chemical leak detection.
Researchers found that manipulating fungal genetics increases rice growth by five-fold, addressing global phosphate reserves critically low issues. The breakthrough exploits the fungus's genetic variation and segregation processes without introducing new genes.
A mutation in the TRPA1 gene has been identified as the cause of familial episodic pain syndrome (FEPS), a rare inherited pain disorder. The research proposes potential treatment options using pharmacological compounds that inhibit the mutant channel.
Research suggests that abnormalities in blood clot formation contribute to AD pathogenesis. A new therapeutic strategy aims to slow cognitive decline by targeting altered blood clotting caused by amyloid peptide.
Researchers found that mongooses in the wild carry out traditions passed down from adults to young through social learning. The study shows that foraging specializations are long-lived and can be transmitted from one generation to the next.
Researchers have identified distinct Jewish population clusters with shared Middle Eastern ancestry and variable degrees of European and North African genetic intermingling. The study suggests that Jewishness can be identified through genetic analysis and highlights the importance of understanding the complex history of Jewish migrations.
Researchers observed that early blood flow begins all at once in zebrafish embryos, involving hundreds of cells. Red blood cells initially stick to the vessel wall before releasing themselves with a protease enzyme called ADAM8.
Researchers discover a combination of drugs that effectively target stubborn leukemia stem cells, which often escape standard treatment and lead to disease relapse. The study supports clinical trials of HDACi in combination with tyrosine kinase inhibitors to eliminate leukemia stem cells in patients with CML.
A new report in Cell Metabolism shows that insulin-resistant blood vessels develop plaques twice as large as normal ones and are more prone to atherosclerosis. Insulin signaling helps prevent fatty plaque buildup, suggesting treatments targeting blood vessels may be beneficial for people with diabetes.
A new study found that PARL protein levels decline with age, contributing to muscle defects and insulin resistance. The researchers suggest increasing PARL levels may bring metabolic benefits, potentially leading to a new drug target for age-related diseases.
Researchers uncover pathway critical for embryological development in zebra fish, revealing parallel mechanism driving vertebrate brain wiring. The fragile-X protein complex interacts with PAK1, a key player in synapse development.
Researchers have gained new insight into protein fiber assembly, providing a potential route to temporal control of fibers with future applications in biotechnology and nanoscale science and medicine. By manipulating conditions, they were able to demonstrate the ability to manipulate fibrous structures with some precision.
A new study reveals that individual fibrin fibers play a crucial role in equitably distributing strain load and strengthening the entire network. The research found that fibers subjected to significant strain stiffen to resist stretch, thereby reducing strain concentrations.
New research identifies the source of 'noise' in HIV gene expression, finding that transcriptional bursting generates exceptionally high levels of noise. This finding suggests that latency may be fundamental to the HIV life cycle.
Researchers have discovered two compounds that allow cells to survive attacks from ricin and Shiga-like toxins, rendering them immune to these deadly threats. These compounds work by blocking the toxins' escape via cellular components, providing potential countermeasures against bioterrorism.
Research reveals chronic pain changes brain activity in response to acute pain, predicting worsening of ongoing back pain. The nucleus accumbens plays a key role in this process, with altered activity patterns in patients compared to healthy controls.
New research identifies a brain circuit that enables humans to make choices with high long-term benefits by delaying reward. The study found that vividly imagining the future reduces impulsive choice behavior, suggesting the anterior cingulate cortex plays a key role in dynamic adjustment of preference functions.
Researchers used EMR systems to extract phenotypes from DNA samples, replicating previously reported genetic associations for diseases such as atrial fibrillation and type 2 diabetes. The study supports the use of DNA resources coupled to EMR systems for rapid generation of large datasets.
Research reveals that brain damage to the ventromedial prefrontal cortex impairs judgment of harmful intent, leading to more lenient moral judgments for attempted harms. The study suggests that patients with VMPC damage primarily evaluate actions based on outcomes rather than intentions.
Researchers found that infants as young as 7 months old display sensitivity to human voice and emotional prosody in their brains, mirroring adult brain activity. The study suggests that critical neurodevelopmental processes underlying impaired voice processing in disorders like autism may occur before 7 months.
A new study reveals that Arctic reindeer have evolved to bypass their internal biological rhythms, relying instead on light and dark cycles to regulate hormone levels. This adaptation allows them to thrive in environments with no reliable light-dark cycle.
According to Roger Unger, obesity is the body's way of storing lipids in fat tissue to protect other organs. This protective mechanism fails when the body's fat tissue can't handle excess calories, leading to metabolic syndrome. The rise of leptin resistance also plays a key role in this process.
Researchers have identified genetic differences in an immune enzyme as a key factor in TB disease susceptibility and resistance. A medium level of this enzyme's activity is associated with protection against both TB and leprosy, offering new leads for TB treatment and vaccine development.
Research reveals that mice without an enzyme breaking down triglycerides exhibit improved metabolism with no negative effects, suggesting TGH as a promising therapeutic target. The liver compensates by synthesizing less fat and triglycerides are directed for oxidation.
Researchers discover that mother's milk induces liver production of FGF21, a molecule that activates brown fat to increase body temperature. This phenomenon may have far-reaching consequences for metabolic health in adulthood.
Researchers found that damselfish can distinguish between different species using only their ultraviolet facial patterns. The fish's ability to see in the UV range allows them to convey information about their identity and attract mates, while remaining inconspicuous to predators.
Researchers manipulate a schizophrenia susceptibility gene in fetal mice to unravel the link between prenatal brain development and adult cognition. The study finds that transient reduction of the Disrupted-in-Schozophrenia-1 gene leads to aberrant changes in adult animals, including perturbation of specific dopaminergic brain pathways.
Researchers found that unexpected stimuli enhance early and late electrical potentials in the hippocampus, with a memory recall for unexpected items. The nucleus accumbens is also involved, influencing subsequent processing to promote memory encoding.
Researchers found that forgetting is an active process to remove memory, involving a molecular pathway including small protein Rac. Forgetting helps new information come in by removing old memories.
Research reveals that flu-induced stress response is critical for resistance to secondary infection, involving increased production of glucocorticoids to control inflammation. The study found that mice without GCs were better able to suppress secondary bacterial infections, but lacking GCs led to a lethal excessive inflammatory response.
Researchers found that softer surfaces lead to disorganized cytoskeletons, while stiffer surfaces promote larger traction forces and more developed cadherin adhesions. Inhibition of myosin II decreases traction forces and causes cadherin adhesions to disappear.
A new study reveals that chromatin proteins defective in RTT, CdLS, and ATR-X syndromes are associated with each other and regulate imprinted genes. This cooperation may explain similarities between the associated human syndromes.
Researchers have discovered a developmental delay in the brain circuit that processes sensory information in mice with fragile X syndrome, which is associated with hypersensitivity and social withdrawal. This delayed development may contribute to the sensory processing deficits seen in humans with fragile X syndrome.
Research finds that selective brain damage, particularly in parietal regions, can modulate human spirituality and religious attitudes. The study identified a causative link between specific brain lesions and changes in self-transcendence, a personality trait reflecting spiritual feeling and behavior.
A new study suggests that morality and religion are linked but distinct concepts. Experimental moral psychology reveals that individuals' moral judgments operate independently of explicit religious commitments.
A new report reveals that a prion-like protein called CPEB may participate in memory in higher eukaryotes, including sea slugs. The protein's ability to switch between distinct conformational states suggests it could maintain stable states with unstable biological molecules.
Researchers have found a proton channel in sperm cells that allows them to rid themselves of excess protons when resting, enabling their movement in the female reproductive tract. This finding may lead to new ways of controlling male fertility and potentially even male contraception.
Scientists have identified a new mechanism that helps the body burn more energy, leading to increased fat burning and lean muscle mass. The study suggests that targeting the Fyn kinase enzyme may offer a promising approach for developing new weight loss treatments.
Researchers have made significant progress in understanding the relationship between cholesterol and heart disease, finding that it's not just one factor at play but rather a complex interplay of immune cells and proteins. The study highlights the importance of restoring the balance of this network to prevent vascular disease.
Two studies show that bats and toothed whales' echolocation abilities converge in the prestin gene, a hearing gene, leading to similar adaptations. The research suggests that convergence of complex traits like echolocation may be more common than previously thought.
The Nicotiana attenuata tobacco plant has developed a clever strategy to combat herbivorous caterpillars: it opens its flowers in the morning instead of at night. This change in flower phenology also attracts a new pollinator, the local hummingbird, which is satisfied with just nectar rewards.
A study published in Developmental Cell has identified protease-activated receptors as crucial for neural tube closure, a process disrupted in congenital birth defects such as anencephaly and spina bifida. The research suggests that this PAR signaling system may regulate the integrity of tissue to prevent neural tube defects.
A new report investigates the cognitive biases that lead people to misidentify common objects, such as guns or tumors. The researchers suggest retraining individuals in these professions through simulated searches to improve their accuracy.
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 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.
Researchers discovered how plants sense temperature changes by unwrapping their DNA; this discovery could lead to more resilient crops and help explain plant responses to climate change. The study used Arabidopsis thaliana and found that H2A.Z histones play a crucial role in temperature sensing.
Researchers find that muscles with inefficient energy-burning mechanisms contribute to obesity, proposing a potential anti-obesity strategy involving muscle-targeted treatments. Regular activity or exercise may increase muscle calorie burn, aiding weight control.
Researchers have identified a leptin-controlled gene that can reverse diabetes in animals and may have similar therapeutic effects in humans. The study found that low levels of leptin can correct insulin resistance and diabetes without causing significant weight loss.
Researchers overcome DNA contamination hurdle to analyze 30,000-year-old human DNA using modern sequencing techniques, providing insights into the evolution and prehistory of our species. The study allows scientists to directly glimpse into the genetic makeup of ancient humans who lived tens of thousands of years ago.
Researchers have found that male and female mosquitoes harmonize with each other to find a compatible mate. The study reveals that different mosquito forms can travel together despite their genetic diversity, which has significant implications for malaria control.