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Fruit Flies

All articles tagged with #fruit flies

science16 days ago•2 min saved

Removing Earth's Magnetic Field Extends Lifespan in Parkinson's Flies but Hurts Healthy Ones

A study in Aging found that blocking Earth's magnetic field extends the lifespan of fruit flies with a Parkinson's-linked gene defect by 20 percent but reduces their mobility. Conversely, healthy flies experienced shorter lifespans but improved mobility. Researchers at the University of Nottingham used quantum diamond sensors to observe changes in mitochondrial energy metabolism, suggesting the geomagnetic field significantly influences cellular physiology and aging.

via 404 Media|

#aging #fruit-flies #magnetic-fields

science4 months ago•2 min saved

Garlic Suppresses Reproduction in Flies, Hinting at Vector Control

Yale researchers found that the sulfur-containing compound diallyl disulfide—formed as garlic is crushed—activates the fly’s TrpA1 receptor and dramatically reduces mating and egg-laying in fruit flies and other disease-carrying species like tsetse flies and mosquitoes, suggesting garlic could inform pest-reduction strategies.

via Nautilus | Science|

#diallyl-disulfide #disease-vectors #fruit-flies

science5 months ago•4 min saved

Fruit Flies Survive and Adapt Under Extreme Gravity

Researchers exposed fruit flies to 4–13G hypergravity in a centrifuge. Initial hyperactivity at moderate Gs gave way to reduced activity at higher Gs, but both groups eventually returned to normal behavior, and a multi‑generational test showed some populations thriving for 10 generations, suggesting gravity directly shapes energy use and movement and highlighting the resilience of biological systems with implications for future space exploration.

via Gizmodo|

#entomology #fruit-flies #gravity

science6 months ago•7 min saved

Night-Shift Coffee Could Heighten Impulsivity, Study Finds

UTEP researchers report that caffeine consumed at night increases impulsive behavior in fruit flies, especially in females, while daytime caffeine has no similar effect; the study, published in iScience, suggests a time-of-day modulation of caffeine’s impact on behavioral control with potential implications for night-shift workers.

via SciTechDaily|

#caffeine #fruit-flies #impulsivity

science11 months ago•3 min saved

Gene Swap Transfers Behavior Between Species for the First Time

Researchers successfully transferred a courtship behavior from one species of fruit fly to another by modifying a single gene, demonstrating that small genetic changes can lead to significant behavioral differences and contribute to species evolution.

via IFLScience|

#behavior #evolution #fruit-flies

home-and-garden1 year ago•5 min saved

Expert Tips to Eliminate Kitchen Fruit Flies

A pest expert explains that fruit flies are attracted to fermented and sugary foods and liquids, and offers simple prevention tips such as frequent garbage disposal, cleaning, and proper storage of produce. To eliminate existing infestations, a vinegar and dish soap trap can be effective. Maintaining cleanliness and reducing moisture are key to preventing these pests in the kitchen.

via CNET|

#fruit-flies #home-and-garden #hygiene

science1 year ago•3 min saved

Neural Mechanisms Regulating Fly Leg Movement and Balance

Researchers discovered that nerve cells sensing limb motion in fruit flies are turned off during movement, allowing the brain to switch between stabilizing posture and enabling dynamic action. This neural circuit, involving interneurons, helps balance stability and movement, with potential implications for treating human motor disorders and injury recovery.

via Neuroscience News|

#fruit-flies #motor-control #neural-circuits

science1 year ago•6 min saved

Scientists Trigger Cross-Species Fruit Fly Romance via Single Gene

Scientists successfully transferred a nuptial gift-giving behavior from Drosophila subobscura to Drosophila melanogaster by manipulating a single gene, FruM, in insulin-producing brain cells, revealing how small genetic changes can repurpose existing neural circuits to create new social behaviors and offering insights into evolution and behavior modification.

via Study Finds|

#courtship-behavior #evolution #fruit-flies

science1 year ago•2 min saved

Brain Mitochondria May Influence Sleepiness and Power Regulation

A study using fruit flies suggests that mitochondrial overload in brain cells triggers sleep by signaling when the brain's energy reserves are depleted, providing new insights into the cellular basis of sleep and its importance for health.

via ScienceAlert|

#brain-health #cellular-mechanism #fruit-flies

science1 year ago•6 min saved

Genetically Modified Fruit Flies Reveal Insights into Cocaine Addiction

Researchers have developed a fruit fly model that voluntarily consumes cocaine by disabling their bitter taste receptors, enabling rapid study of the genetic and neurological mechanisms of cocaine addiction, which could accelerate the development of treatments for cocaine use disorder.

via Neuroscience News|

#addiction #cocaine #fruit-flies

science1 year ago•2 min saved

Centromeres: Key Drivers of Evolutionary Change

Researchers at the University of Rochester have discovered that centromeres, crucial for cell division, can rapidly reorganize over short evolutionary timescales, suggesting they may be hotspots for evolutionary innovation. This finding, observed in fruit flies, challenges the notion that essential genetic structures are highly conserved, revealing instead that centromeres undergo dramatic shifts in their genetic elements. The study highlights the potential implications for understanding genome instability-related diseases, such as cancer.

via Phys.org|

#centromeres #chromosome-biology #evolution

science1 year ago•2 min saved

Chinese Astronauts Conduct Fruit Fly Experiment on Tiangong Station

Chinese astronauts aboard the Tiangong space station are conducting experiments with fruit flies to study the effects of microgravity and sub-magnetic environments on living organisms. The research aims to understand molecular mechanisms and biological rhythms in space, with implications for future deep space exploration. The experiment involves comparing gene expression in fruit flies exposed to different magnetic conditions, with samples to be returned to Earth for analysis.

via Space.com|

#china #fruit-flies #microgravity

neuroscience2 years ago•4 min saved

"Brain Chemistry Links Overeating to Memory"

Research on fruit flies reveals that the neurotransmitter octopamine determines whether food memories are stored long-term or short-term based on energy reserves, influencing future eating behavior. High glycogen levels lead to stable food memories and increased food intake, suggesting similar mechanisms may contribute to overeating and obesity in humans.

via Neuroscience News|

#fruit-flies #glycogen #memory

neuroscience2 years ago•5 min saved

"The Intricacies of Motor Neuron Function Revealed"

A groundbreaking study on fruit flies has challenged traditional views on motor neurons, revealing that individual motor neurons can produce a variety of complex head movements rather than just simple actions. Utilizing advanced laboratory techniques and artificial intelligence, researchers were able to stimulate single motor neurons and observe the resultant movements, uncovering a sophisticated system akin to a digital thermostat that adjusts based on the body’s current posture. This discovery not only challenges existing notions of motor neuron functionality but also opens new avenues for understanding motor system diseases and the interplay between different types of neurons in movement control.

via Neuroscience News|

#artificial-intelligence #fruit-flies #motor-neurons

neuroscience2 years ago•7 min saved

"Decoding Neural Navigation: Insights from Insect Brain Studies"

A study on fruit flies has revealed the neural pathways involved in navigation, showing how three distinct groups of neurons translate directional signals into corrective actions. This research not only deepens our understanding of navigation in simpler organisms but also lays the groundwork for future studies on the neural basis of behavior in more complex species, including humans. The findings provide insights into how internal cognitive states like direction sense are converted into tangible actions, offering a detailed look at how directional sensing is functionally connected to the brain’s steering mechanisms, guiding navigation.

via Neuroscience News|

#brain-function #cognitive-processing #fruit-flies