Articles tagged with Drosophila
The Genetics Society of America awarded nine young researchers for their innovative work on fruit fly models, shedding light on human genetics diseases. The winners showcased promising contributions to the field, including studies on gene expression and chromatin state in Drosophila development.
Scientists at the Max Planck Institute for Chemical Ecology identified a leaf odor, beta-cyclocitral, that specifically attracts Drosophila suzukii, a devastating fruit crop pest. This specialization allows the fly to pinpoint ripe fruits by tracking the distinct leaf odor.
Female Drosophila sechellia flies produce fewer eggs than other fruit flies due to a genetic mutation that inhibits dopamine production, but feeding morinda fruits or chemicals from these fruits increases fertility. Dopamine precursor L-DOPA is present in morinda fruits and compensates for the genetic deficiency.
Research shows that fruit fly females combine personal preferences with social information when choosing egg-laying sites. While most follow the group's cue, some females ignore social influence and stick to their own preference. This complex decision-making process is influenced by environment, genetics, and social context.
Researchers generated a fruit fly model of human colon cancer, revealing key genetic factors behind the disease. The study identified subtle interactions in cancer development, shedding light on early-stage cancer progression.
Researchers found that p53 in flies adapts metabolic response to nutrient deprivation, making cells 'tighten their belts' and optimize energy stores. The study provides insights into the molecular mechanisms of p53 and its potential involvement in diabetes and obesity.
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...
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.
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 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.
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.
Researchers used Drosophila flies to unravel the signalling mechanism involved in cell movement regulation. A new molecular component controls FGF expression, which is crucial for processes like embryonic development, wound healing and tumour invasion.
Scientists from Indiana University have described the transcriptome of the fruit fly Drosophila melanogaster in unprecedented detail, revealing a far more complex genome than previously suspected. The study identifies thousands of new genes, transcripts, and proteins, shedding light on human biology and disease.
A recent study from the University of California, Davis, analyzes the ovipositor and behavior of Drosophila suzukii, a fruit fly known to deposit eggs inside ripening fruit. The research highlights the potential for this pest to spread rapidly across North America.
Researchers found that mechanical tension is established shortly after muscle-tendon contact, providing positional information for sarcomere formation. Without tension, muscles fail to build regular myofibrils, resulting in chaotic protein distribution.
Researchers at Scripps Research Institute found a gene called stumble that helps detect leg-joint angles in fruit flies, similar to human nerve cells. This discovery could improve understanding and treatment of balance and limb movement disorders.
A protein in Drosophila controls the metamorphosis of dendrites, thin structures that receive electrical impulses. The discovery could help treat brain injuries by allowing neurons to regrow new dendrites and function better after injury.
A study by researchers at the University of California, Davis found that growing up in space weakens a key immune system pathway in Drosophila flies. The Toll pathway was 'non-functional' in space-raised flies, but showed improvement under hypergravity conditions.
Scientists have sequenced the genome of the spotted wing drosophila, a major pest affecting blueberries, cherries, and other fruits. The publicly accessible SpottedWingFlyBase Web portal provides valuable data for researchers to develop more effective monitoring and control strategies.
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.
Researchers at IRB Barcelona discover that a single cell can act as leader during multiple cell migrations in Drosophila melanogaster, dragging others with it. This discovery sheds light on angiogenesis, a critical process in cancer development.
In a surprising twist, males prefer novel partners, whereas females tend to mate with their 'brothers-in-law', suggesting smell plays an important role. This unique preference could have implications for our understanding of mating behaviors in other species.
Researchers have discovered a pair of neurons, called Fdg neurons, that control feeding behavior in fruit flies by integrating internal and external stimuli. These neurons are responsible for synthesizing cues about available food and hunger to initiate the feeding mechanism.
A study has shown how a relatively young gene can acquire an essential function and become crucial for an organism's survival. Researchers found that the novel essential gene in fruit flies, born via gene duplication, acquired its role through stepwise changes over 15 million years.
Scientists at UC San Diego discovered eight genes in fruit fly Drosophila that are also involved in wound healing in humans. These genes, which regulate biological processes in the fly's exoskeleton, may lead to new treatments for skin conditions like psoriasis and diabetic ulcers.
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.
The invasive spotted-wing vinegar fly (Drosophila suzukii) prefers sweet and soft fruits, posing a significant threat to US fruit crops. Researchers found that certain wild fruits may serve as reservoirs for this species, while other varieties are more likely to be infested.
A study by IRB Barcelona researchers has identified a key miRNA called bantam that regulates the relationship between hormones controlling growth and sexual maturity. Reduced levels of bantam lead to increased steroid hormone levels, causing growth to stop.
The University of Manchester has published the first-ever basic training package for using fruit flies in research, particularly in cancer and Alzheimer's disease studies. The package was developed by Dr Andreas Prokop and aims to educate scientists about the benefits of using Drosophila flies.
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.
A whole-genome sequence of the fruit fly Drosophila mauritiana has been completed, revealing high genetic diversity across its chromosomes. The researchers identified two large regions with conserved sequences and propose that these may be the result of intragenomic conflict, potentially acting as 'speciation genes'.
Researchers at Max Planck Institute decoded the neural mechanisms underlying an escape reflex in fruit flies to avoid toxic microorganisms. A dedicated neural line is activated by geosmin, a substance released by bacteria and mold fungi, overriding all other food odor signals.
Researchers discovered a dedicated olfactory circuit in flies that detects harmful microbes, enabling them to avoid feeding on toxic substances. The circuit is sensitive to low concentrations of geosmin, an earthy odor produced by harmful fungi and bacteria.
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.
Scientists at UC Riverside and Stanford University identified a molecular mechanism that blocks the expression of most olfactory receptor genes in flies, but allows for specific receptors to be expressed in response to carbon dioxide. This complex acts as a brake, releasing only when necessary to generate diverse sensors in the nose.
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.
Fruit flies exhibit a daily temperature preference rhythm that mirrors human body temperature rhythms, controlled by a circadian clock. The discovery opens up new avenues for studying human development and disease using fruit flies as models.
Researchers studied fruit fly chromosomes to understand the evolution of sex and gamete function. The study suggests that Meiotic Sex Chromosome Inactivation (MSCI) occurs in Drosophila, which has implications for human fertility and disease genetics.
Nir Yakoby, a Rutgers-Camden assistant professor of biology, has received a $686,544 NSF CAREER Award to investigate the dynamics and diversity of bone morphogenetic protein signaling in epithelial cells. He aims to understand how changes in this signal create different morphologies in humans and model organisms like Drosophila.
The July 2012 Genetics Society of America's journal features research on increasing association mapping power and resolution in mouse genetic studies through meta-analysis for structured populations. The study also explores the properties and power of a Drosophila Synthetic Population Resource for dissecting complex traits.
Researchers identify hormone Dilp8 as key player in regulating insect growth, ensuring proper body size and proportions. The protein helps slow down tissue growth, allowing organs to develop correctly and maintain symmetry.
The Genetics Society of America announced nine award recipients for their poster presentations at the 53rd Annual Drosophila Research Conference. The winners include undergraduate, graduate, and postdoctoral researchers who showcased their research in the field of genetics.
The Asian fly species Drosophila suzukii is taking over European fruit, particularly cherries and red fruits, causing significant damages to crops. The study found that the fly can lay eggs in unaffected fruit, leading to destruction of the fruit by its larvae.
Stephanie Turner Chen has received the Larry Sandler Memorial Award for her research on the detection of carbon dioxide in fruit flies and mosquitoes. Her work provides a novel approach to mosquito control, revealing odors that inhibit their ability to detect carbon dioxide.
Researchers present new information on neural diseases and kidney stones using the fruit fly Drosophila melanogaster model. Studies reveal links between cellular changes and behaviors in flies with human counterparts such as ataxia-telangiectasia and Rett Syndrome.
Studies on Drosophila melanogaster have provided insights into human stem cell development, particularly in the formation of specialized cells. The research also explores the role of membrane lipids in establishing polarity in sperm cells, which may contribute to cancer progression.
Researchers presented at the Drosophila conference explored metabolic disorders, aging and monarch butterfly migration using the fruit fly as a model organism. Studies found connections between fly and human disease, revealing new insights into diabetes, aging and the mechanisms behind monarch migration.
A new study found surprising diversity in a single neural connection in flies, challenging the idea that structure is key to understanding function. The research suggests that genetic drift or natural selection may have shaped these diverse connections, leading to rapid evolution.
Researchers have identified a family of proteins called piezo proteins that detect painful touch. The discovery provides evidence for the mechanotransduction pathway and potential new treatments for diseases related to sensory nerve dysfunction.
The study provides a comprehensive reference manual for analyzing population genomics and quantitative traits in fruit flies. The DGRP consists of 192 genetically identical lines with varying genetic variation, facilitating the measurement of traits and unlocking secrets of quantitative traits.
Chromosomes use centromeres to initiate synapsis, a process that ensures proper matching of chromosomes during meiosis. This discovery sheds light on a critical step in the complex process of meiosis, which is essential for genetic diversity and reproduction.
Researchers identify FMRP protein as key player in RNA editing, a process that regulates neural activity. Flies with mutated dFMR1 genes exhibit similar symptoms to humans with Fragile X, including memory and cognitive deficits.
Researchers have discovered a key mechanism controlling the segregation of genetic material from parent to daughter cells. The study found that degradation of CenH3 protein is essential for limiting its presence at centromeres and that this degradation is mediated by protein partner Ppa.
Researchers have discovered that subtle genetic changes can significantly impact an organism's size and shape. The study, led by David Stern at Princeton University, found that five specific genetic changes contribute to the evolution of distinct morphologies in fruit flies. These findings provide insight into how individual mutations ...
Research by UMass Chan Medical School shows that the human retina protein CRY2 can function as a light-sensitive magnetic sensor in Drosophila. This finding may pave the way for further investigation into human magnetoreception and its potential applications.
A study by Salk Institute scientists reveals that insulin activates a factor called SIK3, which promotes lipid storage during daytime feeding hours by blocking fat breakdown programs. This link between glucose metabolism and lipid storage has potential applications in treating metabolic conditions such as obesity and type II diabetes.
Researchers found that the 'twenty-four' gene is critical for producing a key clock protein in fruit flies. Without this gene, flies experience disrupted sleep-wake rhythms and have trouble waking up. The findings suggest a similar mechanism may be at play in humans.