A large-scale survey of venom variation in two snake species reveals no local co-adaptations in eastern coral snakes, challenging traditional views on venom evolution. The consistent venom mix across Florida will aid antivenom development and inform conservation efforts for the declining eastern diamondback rattlesnake.
Researchers found eight genome regions that contributed to tameness and aggression, including genes involved in nervous system development. The study sheds light on the genetic basis of domestication and its impact on animal behavior.
Researchers used zebrafish to study a rare genetic disorder affecting a boy and his uncles, identifying a mutation in the RPL10 gene as the likely cause of their symptoms. The findings provide crucial first steps towards further research into the molecular details of the disease.
Researchers are using multiparental populations to map complex trait genes in organisms such as mice, fruit flies, and maize. This approach enables the identification of specific gene regions associated with traits like nicotine resistance and toxicity of chemotherapy drugs.
The Genetics Society of America has awarded seven researchers with poster prizes for their outstanding contributions to yeast genetics research. The winners were selected from nearly 400 research posters presented at the 2014 Yeast Genetics Meeting, which took place in Seattle, WA.
A new hypothesis proposes that breeding for tameness causes changes in diverse traits, including floppier ears, patches of white fur, and more juvenile faces, due to impaired development or migration of neural crest cells. This unified explanation ties together several components of the domestication syndrome.
A special collection of research articles addresses the genetic underpinnings of host defenses against pathogens, revealing the complex determinants of immunity. Studies examine how genes influence immune responses, including those related to autoimmune thyroid diseases and insect resistance.
Research on genetics of sex determination explores the evolutionary loss of Y-chromosomes and mechanisms preventing self-fertilization. The collection includes studies on yeast, nematodes, maize, and Brassicaceae, shedding light on the biological processes behind sex differences.
A new approach enables researchers to distinguish between different microbial species in complex communities, allowing for the discovery of previously unknown species and a better understanding of their genomic content. This breakthrough has significant implications for studying the human microbiome and its impact on individual health.
The Genetics Society of America has honored nine young researchers with poster awards for their innovative work on Drosophila melanogaster. The winners, who presented at the 55th Annual Drosophila Research Conference, explored various aspects of genetic and molecular biology. Their research has significant implications for understandin...
A new framework increases the ability to detect genetic associations and interactions by utilizing data from existing genomic studies. The approach improves performance over standard methods and identifies promising candidates for genetic interactions affecting various diseases.
A new genome analysis method has confirmed that humans and Neandertals interbred in Eurasia, providing a definitive answer to the long-standing debate about the origin of modern humans. The study's findings suggest that Neandertal admixture occurred after modern humans migrated out of Africa.
Scientists discover that when one cell dies due to DNA damage, its neighbors are alerted and become harder to kill. This finding challenges previous views on apoptosis and could have implications for cancer therapy.
Scientists used caffeinated fruit flies to map genetic variations associated with resistance to insecticides. The study identified two key genes that contribute to resistance, offering insights into developing more targeted and efficient pest control strategies. By exploring the genetics of xenobiotic resistance, researchers can uncove...
Researchers found de novo genes in female Drosophila flies that originate from ancestral non-coding DNA sequences. These genes appear to play a role in female reproduction and may have been previously overlooked in favor of male-biased gene expression.
The Sunday Driver gene is implicated in regulating muscle tissue formation and maintenance, with mutations leading to inherited muscle diseases such as Emery-Dreifuss muscular dystrophy. Researchers found that the gene's product interacts with cortical factors to enable the motor protein Dynein to transport muscle nuclei into place.
Researchers have identified a conserved pathway responsible for seizures in both Drosophila flies and humans. Flies with prickle gene mutations exhibit myoclonic seizures, similar to those in human patients, and respond to the anti-convulsive drug valproic acid.
Cancer kills flies in a dose-dependent manner, similar to bacterial and viral infections. Researchers have established a system to disentangle the resistance and tolerance mechanisms to cancer in the Drosophila model.
Researchers develop transgenic flies expressing anti-amyloid antibodies, which reduce neuronal loss and improve eye morphology. A second treatment involving secreted Heat shock protein 70 also shows protective effects, suggesting a new approach to targeting amyloids.
Researchers Beatriz Vicoso and Doris Bachtrog found that genes on the 'dot chromosome' of fruit flies are X-linked in three other species, suggesting a history as a sex chromosome. They identified nine independently evolved sex chromosomes with balanced gene expression between males and females.
Researchers identify a missing hybrid incompatibility gene in Drosophila melanogaster and D. simulans, shedding light on speciation mechanisms. The discovery paves the way for further studies on the biological pathways disrupted in hybrid offspring.
Researchers have uncovered evidence that adherens junctions actively respond to mechanical cues by remodeling their own position and intensity. This discovery sheds light on the organization of multi-cellularity, from cell-cell contacts to the remodeling of tissues and organs during life.
The draft genome of the loblolly pine is the largest ever assembled, comprising approximately 82% repetitive DNA elements. This achievement marks a significant breakthrough in conifer genome sequencing, enabling future projects to build upon a high-quality reference genome.
The Genetics Society of America has awarded 11 undergraduate students with travel grants to present their research at the 55th Annual Drosophila Research Conference in San Diego. The students will be presenting their work to over 1,500 researchers and gaining invaluable experience.
Seven graduate students and one undergraduate received prestigious poster awards for their research on Caenorhabditis elegans, a model organism used to study human biology and disease. The winners will receive cash prizes, certificates, and a complimentary one-year extension to their GSA membership.
The Genetics Society of America has announced five recipients of the DeLill Nasser Award for Professional Development in Genetics. The award provides a $1,000 travel grant to attend conferences that enhance their career goals. This year's awardees include graduate students and postdoctoral researchers from various institutions.
Researchers identified a gene in the roundworm Caenorhabditis elegans that restricts the flow of cellular organelles from the cell body to the axon, potentially leading to neurodegenerative disorders. This discovery provides new insights into a previously unrecognized trafficking system that protects axons.
Researchers discovered a previously unrecognized organelle gatekeeper function in C. elegans, which restricts the flow of Golgi and endosomal organelles into axons. Additionally, two studies identified novel players in meiotic silencing by unpaired DNA in Neurospora, providing insights into genome integrity and transmission.
Researchers have identified a gene in fruit flies that, when mutated, blocks self-destruction of damaged axons, which could hold clues for treating motor neuron diseases like ALS. The preservation of this signaling mechanism from flies to humans suggests its importance and potential as a treatment strategy.
Nine undergraduate students presenting their research using Drosophila as a model organism discussed cell death, immunity and neural development. The students won the Victoria Finnerty Undergraduate Travel Awards to attend the 54th Annual Drosophila Research Conference in Washington, D.C.
Researchers found that mannitol improved the movement of fruit flies with Parkinson's-like symptoms by reducing misfolded protein aggregation. Further studies are needed to confirm these results in humans, but the findings suggest a possible novel therapeutic direction.
Researchers used a fly model to study wound healing, discovering eight new genes involved in the process. The study reveals that wound healing is fine-tuned and requires a balance of gene activation and inhibition to prevent complications such as ulcers or thickened cuticles.
This April issue of the Genetics Society of America's journal features research on genotyping-by-sequencing, a novel gene silencing system in fungi, and the role of protein chaperone HSP90 in facilitating gene duplicate divergence. Additionally, studies explore genome integrity and RNA editing in mice.
Research in African malaria mosquitoes reveals a more complex range of forms due to frequent inter-mating, leading to implications for controlling the disease. The resulting hybrids may have effects on insecticide resistance and malaria parasite infectivity.
A new teaching resource, Primer in the March 2013 journal GENETICS, pairs undergraduate teaching concepts with current research on speciation and sequencing in crickets. The Primer provides a concise overview of necessary genetics concepts and guidance for instructors to use primary literature in the classroom.
Research reveals that age-related dementia may begin with neurons' inability to dispose of unwanted proteins, leading to their accumulation. This decline in protein disposal mechanisms contributes to the development and progression of dementia, making it a promising area for novel therapies.
The March 2013 issue of Genetics journal highlights several key findings, including a study on oocyte-expressed genes that support early cloned embryo development and the role of cytoskeletal proteins in controlling clone quality. Additionally, research on self-incompatibility genes in Arabidopsis thaliana reveals the structural and fu...
Researchers investigated genetic changes responsible for species divergence, developed new approaches to Drosophila genome manipulation, and found minimal effect of gene clustering on expression in bacteria. These findings shed light on mechanisms driving speciation and gene regulation.
Researchers analyzed blood plasma samples from mice to identify protein traits associated with genetic markers, paving the way for diagnostic and therapeutic targets
Scientists review research on dog cranium development to identify genetic variations that may inform human skull development. The study suggests a connection between canine and human craniofacial development, potentially leading to new insights into craniofacial deformities such as Apert, Crouzon, and Pfeiffer syndromes.
The December issue of Genetics Society of America's journal features research on genetic variation in yeast, gene functional trade-offs, and serotonin signaling in C. elegans. These studies explore how genetic variations affect function and provide insights into the evolution of pleiotropy and the mechanism of signaling by serotonin.
A new study published in Genetics reveals that assessing skin cancer risk can be improved by accounting for genetic factors, such as family history and ethnicity. The researchers developed a more precise model for assessing risk using phenotypic and genetic information from over 5,000 participants.
A study published in Genetics Society of America's journal found that Native Americans and Northern Europeans are more closely related than previously thought. The research used statistical tools to show that Neanderthals mixed with modern humans also revealed a common ancestor between Native Americans and Northern Europeans.
Research identifies NF1 as a driver in more than 25% of non-inheritable breast cancers, associated with increased Ras activity and decreased NF1 levels. This finding may guide clinicians to targeted treatments for patients with NF1 mutations.
Researchers analyzed DNA sequences of thousands of influenza strains to predict trends and understand the rules of flu virus evolution. This knowledge can help develop more effective vaccines against emerging strains.
Researchers explored AMP-activated protein kinase's role in Drosophila energy homeostasis and tissue-specific gene expression in Arabidopsis. Cellular memory of stress resistance was also studied in Saccharomyces cerevisiae, revealing a multifaceted response mechanism.
This September 2012 issue of the Genetics Society of America's journal features studies on weak selection in molecular evolution, a new method for mapping quantitative trait loci onto phylogenetic trees, and the role of DNA replication defects in causing chromosome rearrangements. Additionally, researchers investigate ultraconserved el...
The Gruber Foundation honored Mary Gehring and Valerie Horsley with the Rosalind Franklin Young Investigator Award for their groundbreaking research in Arabidopsis epigenetics and mouse genetic models. The awards recognize early career female scientists making significant contributions to genetics.
Recent studies have discovered new negative regulators in Egfr signaling, explored whole-genome association mapping in yeast, and resolved the mutation load paradox in humans. Researchers also developed a method for identifying lethal alleles using next-generation sequencing.
Researchers found several genes in nematode worms that could be potential targets for anti-cancer therapies. By inhibiting these genes, they may reverse key traits associated with cancer cells.