Articles tagged with Developmental Genetics
Researchers have made significant progress in understanding the mechanisms underlying RASopathies by studying zebrafish and fruit flies. They discovered that lower signaling levels can correspond to a RASopathy disease, challenging conventional wisdom that these disorders result from overactive RAS pathways.
Stowers researchers discovered that DNA enhancers engage in an ongoing contest between activation and repression, resulting in a different epigenetic state of histone proteins. This finding clarifies the often misunderstood role of repression in DNA enhancers and its importance as an action.
Scientists at Helmholtz Munich identify ACSL4 enzyme as crucial for ferroptosis, a form of cell death linked to cancer and neurodegenerative diseases. The researchers found that ACSL4 plays a central role in generating the signal that initiates cell death, providing new insights into the development of potential therapeutic approaches.
Stanley M. Gartler, PhD, receives the 2016 Victor A. McKusick Leadership Award for his extensive research in X chromosome inactivation, somatic cells, and tumor biology. He has made significant discoveries and connections across multiple fields.
Mutations in the RERE gene can cause developmental problems typical of 1p36 deletion syndrome, a relatively common cause of intellectual disability. The study identified 10 patients with RERE mutations, who exhibited similar medical conditions to those with 1p36 deletions.
Researchers have identified a key gene associated with cleft lip and palate, providing a step closer to understanding the condition's causes and developing effective prevention approaches. The discovery highlights the complex interplay between genes and environmental factors in shaping fetal development.
Researchers at Georgia State University found no evidence of a genetic overlap between risk for schizophrenia and smaller subcortical brain volumes in a global study involving nearly 600 researchers. The study analyzed brain scans from almost 12,000 individuals worldwide to examine the genetic basis of schizophrenia.
A study found that nearly three quarters of doctors surveyed wouldn't refer children with multiple developmental delays to a genetics specialist. This may delay diagnosis and treatment of genetic disorders, which can be treated earlier.
A new study has identified four previously uncharacterized genetic disorders in children, using a computational approach to analyze DNA samples from over 4,000 families across the UK and Republic of Ireland. The researchers compared these samples with data from millions of people who have agreed to share their genetic information.
Researchers at the University of Georgia found that the same genetic tools responsible for limb development in animals also control the formation of external genitalia in snakes. The study suggests that snakes retained DNA associated with limb development through millions of generations, as it may have been important for their reproduc...
Researchers identify Zelda protein as key player in activating genes critical for embryonic development. The protein opens up enhancer regions, allowing other regulatory factors to bind and activate associated genes.
Researchers at the University of Utah are exploring the link between congenital heart defects and neurological disorders in children, discovering genetic mutations that affect both heart and brain function. The goal is to develop precision medicine for CHD patients and tailor treatment based on genomic sequence.
A recent study published in Molecular Aspects of Medicine has identified genetic markers that link an increased risk for developing both type 2 diabetes and Alzheimer's disease. The research, led by Dr. Giulio Maria Pasinetti, found specific genetic variations associated with higher susceptibility to both conditions.
Researchers identified a new genetic syndrome CHOPS, shedding light on the master switch that controls many other genes. The study provides important information to help caregivers manage the disorder and may offer clues to eventually treating it.
A*STAR scientists identified a genetic pathway responsible for the size of the human brain, which accounts for superior cognitive abilities. The KATNB1 gene is essential for central nervous system development in humans and other animals.
A nationwide project is diagnosing rare diseases in children, finding a cause for nearly a third of first 1,000 families. Genome-wide sequencing and database comparison help identify genetic keys to disorders.
Marnie Halpern has made significant contributions to understanding the patterning of the nervous system using novel genetic approaches. Her research focuses on regional specializations within the neural tube, with a particular emphasis on brain asymmetry.
Researchers from Scripps Florida have discovered a gene called Spns1 that plays a critical role in combating aging. The study found that manipulating the function of this gene can affect both developmental senescence and long-term biological aging.
Jay Shendure received the 2014 HudsonAlpha Life Sciences Prize for his pioneering work on next-generation sequencing technologies. He completed a detailed DNA sequence of HeLa cells, the first immortal human cell line grown in a lab.
Researchers at the University of Adelaide have developed a web-based tool to examine the genetic interactions behind grapevine development. The 'VTCdb' database enables scientists to identify genes working together in networks, leading to better understanding of complex traits and improved wine production.
Researchers discovered similar 3D DNA organization in fish and mouse clusters, indicating the main mechanism for patterning tetrapod limbs was present in fish. The study suggests that digits evolved by modernizing an ancestral regulatory mechanism.
Researchers at the University of Otago and Plant & Food Research have identified the genetic mechanism controlling onion bulb formation in response to changing daylight hours. This discovery will help breed new onion cultivars that can thrive in different environments, increasing crop yields and export revenue.
A new journal issue introduces guidelines for GMP monitoring using faunal species data. The VDI guidelines aim to detect environmental effects of GM plants in agricultural landscapes.
A genome-wide association study identifies 20 new genetic associations for myopia, a refractive error resulting from increased axial length of the eye. The study suggests that complex interactions underlie the development of myopia, with extracellular matrix remodeling and neuronal development playing key roles.
A team of researchers led by Drs. Marie Kmita and James Sharpe discovered the Turing-like mechanism responsible for generating human fingers and toes through genetic studies and mathematical modeling. The study reveals that Hox genes play a crucial role in modulating this mechanism, which is essential for proper limb development.
Daniel J. Rader, MD, has been awarded the American Heart Association's (AHA) Clinical Research Prize for developing new methods to identify factors regulating fat particle metabolism and testing their impact on atherosclerosis. His research focuses on genetic and pharmacologic regulation of lipoprotein metabolism and atherosclerosis.
23andMe is opening its API to third-party developers, enabling them to create new web-based interactive tools using the company's DNA data. Approved developers will receive an authentication key to access the platform.
The FASEB MARC Program awarded two $1,650 travel grants to promote diversity in biomedical research. The recipients, Dr. Oni Mapp and Dr. Catherine McCollum, will present their work at the 2012 GSA Zebrafish Development and Genetics Meeting.
A handful of genetic changes in early mammalian development created the complex structures of the human brain, including fine motor skills and cognitive abilities. Researchers identified key regulatory DNA regions that control the formation of the corticospinal system.
A team of scientists has identified the genetic cause of Hamamy syndrome, a rare birth defect marked by abnormal facial features and heart defects. The discovery links the disease to a mutation in the IRX5 gene, which is highly conserved across animals.
A new study by the University of Minnesota researchers found that APHIS failed to recognize environmental impacts and made legal errors in regulating genetically engineered crops. The agency's regulatory decisions have faced criticism, leading to litigation delays in the development of new GE crops.
A new study suggests that even with a small initial virus population, HIV rapidly evolves to evade immune defenses and treatments due to mutation, recombination, and random genetic changes. This findings sheds light on the difficulty in developing an HIV cure and highlights the need for novel strategies to control the virus.
Researchers found that enhancers, which are meant to be active only in certain muscle types, were occupied by transcription factors from other tissues. This discovery reveals a new model for how enhancers function and provides insights into the developmental history of cells.
Researchers at the Gladstone Institutes have identified a key genetic mechanism linked to congenital heart disease, revealing the importance of epigenetics in fetal heart development. The study highlights the role of Ezh2 and Six1 genes in regulating healthy heart development, which can have profound health consequences later in life.
New York University and University of Iowa biologists have identified a critical protein called Zelda that orchestrates gene networks in an exquisitely coordinated fashion. The researchers found that Zelda is essential for the proper order of gene interactions, leading to drastic changes in body plan formation if absent.
Researchers identified FYCO1 as a key gene in the development of autosomal-recessive CCs. The study found that FYCO1 mutations lead to abnormal protein accumulation, disrupting lens transparency.
The Deciphering Developmental Disorders (DDD) Project collects genomic data from 12,000 children with developmental delays or multiple malformations. The goal is to develop clinical tools to unlock genetic reasons for these conditions, enabling doctors to make rapid diagnoses in up to one in five cases.
The Boston College bioinformatics lab has created a detailed map of genomic structural variants, a layer of DNA that distinguishes individuals. This analysis of 185 human genomes supports the 1000 Genomes Project and provides new insights into genetic selection, variations, and disease susceptibility.
A study by Yale researchers found that a high-fat diet influences the brain's development, making some individuals more prone to obesity and others resistant. The study suggests that genetic and environmental factors, particularly maternal impact on the developing brain, play a critical role in determining vulnerability to obesity.
Researchers identify four new autism susceptibility genes, including SHANK2 and SYNGAP1, which may lead to the development of new treatments. The study also found that individuals with autism tend to carry more genetic mutations than controls.
Iowa State University researcher is developing a micro-algal platform to stack desirable traits in algae, leading to increased oil production and hydrocarbon conversion for more sustainable biofuels. The goal is to create a flexible source of biofuels with reduced environmental impact.
The grants are worth a total of $7.7 million, with 19 awards from the National Science Foundation and four from the National Institutes of Health. Researchers will use the funding to build their research programs, work with students, and advance their projects.
A genetic mutation in the TACO1 gene has been identified as underlying late-onset Leigh syndrome, a rare inherited metabolic disorder characterized by central nervous system degeneration. The study provides insights into cell biology and will lead to diagnostic and predictive tests for family and genetic counseling.
A study published in the American Journal of Human Genetics found a significant evidence for a gene on chromosome 9q21 that may contribute to pelvic floor disorders. The researchers analyzed DNA from 70 women from 32 families with at least two cases of pelvic floor disorders and found significant evidence for a genetic predisposition.
A study published in PNAS found that the genetic toolkit for fin and limb development is linked to gill skeleton formation in sharks. This discovery provides evidence for an evolutionary connection between fins, limbs, and gills., The research suggests that common developmental programs patterned different anatomical structures.
Researchers are using DNA testing to determine the origins of medieval manuscripts, resolving issues with handwriting and dialect-based dating methods. By analyzing genetic data from parchment skins, scientists can identify similarities between manuscripts and pinpoint their time and place of origin.
A multidisciplinary research team discovers that the absence of the ERK2 gene is linked to birth defects affecting heart and head development. The study reveals a critical conserved role for ERK2 signaling in neural crest development, shedding light on how developmental errors occur.
A new wiki links every word to its corresponding author, allowing readers to know sources and authors receive due credit. This resolves the uncertainty of authorship in first-generation wikis, enhancing collaborative publishing with reputation systems.
Researchers at UT Austin create fruit fly model to study Angelman syndrome genetics, revealing behavioral dysfunctions similar to human cases. The UBE3A protein's role in degradation is linked to disease symptoms, with mutant flies displaying circadian rhythm irregularities and memory impairments.
Research published in Nature Genetics reveals that marsupials and humans share an identical genetic imprinting mechanism that evolved 150 million years ago. This discovery helps determine how the mechanism works and what can be done to prevent human diseases related to genetic imprinting.
This July/August issue of BioScience features articles on avian genomics, penguin populations, and the impact of human activities on wildlife. The journal also explores the role of biofuels in energy policy and genetic literacy among nonscience majors.
Researchers found that environmental enrichment reduced coordination and movement problems in Rett syndrome mice. The study also showed that BDNF levels were similar in enriched and normal mice, suggesting a gene-environment interaction.
Spradling's work on fruit fly genomics revolutionized developmental genetics and biology, advancing understanding of stem cells and their roles in human development and disease. His discoveries have led to new insights into digestive diseases, intestinal cancers, and infection strategies.
Researchers discovered a mutation in the MESP2 gene, which completely disrupts its function, leading to congenital vertebral abnormalities. The study provides hope for identifying and preventing Spondylothoracic Dysostosis, a rare genetic disorder affecting Puerto Rican populations.
Researchers identify collagenase-2 as a key player in multiple sclerosis development, providing a potential new therapeutic target. The enzyme's role in degrading tissue and allowing unwanted cells to invade the brain may be effectively blocked by pharmaceutical intervention.
A new study by NYU and University of Würzburg researchers found that color vision does not contribute to motion detection in fruit flies, challenging previous assumptions. The findings suggest two separate functional pathways for color and motion processing.
The study found that couples related at a third cousin level have the highest number of offspring, with an average of 4.04 children and 9.17 grandchildren. The correlation holds true across different eras and urbanization levels, suggesting a biological basis for the association.
Researchers block single gene NF-êB to reverse aging in mouse skin, demonstrating that aging is a result of an active genetic program. The study sets the stage for future genetic age-intervention therapies.
The American College of Medical Genetics Foundation awarded Dr. Stuart Schwartz a $100,000 grant to develop a clinical practice model incorporating whole genome SNP array analysis. This project aims to promote safe and effective genetic testing and services.
Dr. Pierre Drapeau is being awarded the highest distinction in Canadian spinal cord research for his pioneering study of spinal cord development using the zebrafish embryo. This groundbreaking work has opened new avenues for understanding vertebrate development and genetics.