... humidity. It can also be set to maintain a specific RH, simulating an open-loop condition to observe insect behaviour at constant humidity levels. Using the dynamic humidity arena, we found that desiccated and starved Drosophila melanogaster search for a RH of around 65–70% at 23°C, whereas sated flies...

...-c1L , was used as a calibrating sample; hence, ΔΔCt=(Ct Target −Ct rp49 )DS−(Ct Target −Ct rp49 )L1 was used in this calculation method. Fig. 1. Relative expression of cyt-c1L at different developmental stages and in the gonads of Drosophila melanogaster . (A) Relative cyt-c1L expression...

... in cognitive strategy as well. In Drosophila melanogaster , such age-related decreases in memory scores have been studied intensely for the association of odours with electric shock punishment. We report that odour–sucrose reward memory scores likewise decrease as the flies age. This was observed after one...

... in Drosophila melanogaster and induces robust cycling in a stress-response gene in both sexes, but affects clock gene expression differently in male and female flies. Amplitude Circadian rhythms Clock genes Drosophila melanogaster Longevity Temperature Biological processes that oscillate...

... of their behavioral impact on Drosophila melanogaster larvae. Rhodiola rosea root samples have an attractive smell and taste to the larvae, and exert a rewarding effect. This rewarding effect was also observed for R. rosea root extracts, and did not require activity of dopamine neurons that mediate known rewards...

...: The monoamines octopamine and tyramine play a pivotal role in the control of metabolism in invertebrates by regulating both energy intake and energy expenditure. Drosophila melanogaster Noradrenaline Caenorhabditis elegans Metabolism Octopamine (OA) and tyramine (TA) are biogenic amines...

...Pavan Agrawal; Damian Kao; Phuong Chung; Loren L. Looger ABSTRACT Social isolation strongly modulates behavior across the animal kingdom. We utilized the fruit fly Drosophila melanogaster to study social isolation-driven changes in animal behavior and gene expression in the brain. RNA-seq...

... increase with group size. Social interactions Social information transfer Odor–food learning Associative memory Collective foraging Drosophila melanogaster Automated classical conditioning Vertebrates often forage in groups to obtain a more accurate estimate of the location...

... these hypothesis, we assayed five isogenic Drosophila melanogaster lines raised in control and mild enrichment conditions, and one isogenic line under both mild and intense enrichment conditions. We compared the mean and variability of six behavioral metrics between our enriched fly populations and the laboratory...

... Drosophila species of the resident community. We compared the circadian rhythms of the locomotor activity in adults and the expression of clock genes in response to temperature in the invasive D. suzukii and the resident Drosophila melanogaster . We showed that D. suzukii is active in a narrower range...

... source. However, pinpointing the precise location of an odor source requires use of both visual and olfactory modalities, aided by odor plumes. Here, we investigated odor-tracking behavior in fruit flies ( Drosophila melanogaster ) presented with low- or high-contrast visual landmarks, either paired...

... amplitudes of fluctuation and across the developmental and adult life stages of Drosophila melanogaster . For developmental acclimation, we found mildly detrimental effects of high-amplitude fluctuations for critical thermal minima, while the critical thermal maxima showed a beneficial response to higher...

... Cardiogenesis Drosophila melanogaster Endocytosis Directionality of blood and lymph flow in vertebrates is regulated by cardiac valves, veins and the vessels of the lymphatic system. The histology of valves differs in adaptation to various pressures and flow rates present in tubular systems...

... memories lose their specificity over time, mimicking the situation in rodents and humans. Aversive associative memory Drosophila melanogaster Generalization Long-term memory Olfaction Post-traumatic stress disorder PTSD Associatively learning the predictors of noxious events is useful...

... to individual behaviors are observed across a wide variety of taxa but their biological mechanisms remain largely unknown. With the advent of powerful computational tools as well as the unparalleled genetic accessibility and surprisingly rich social life of Drosophila melanogaster , researchers now have...

... must make challenging foraging decisions that simultaneously address their own nutrient needs as well as those of their progeny. Here, we examined how the fruit fly Drosophila melanogaster , a species in which individuals eat and lay eggs in decaying fruits, integrate feeding decisions (individual...

...Mathieu Lihoreau; Ireni M. Clarke; Camille Buhl; David J. T. Sumpter; Stephen J. Simpson ABSTRACT The fruit fly Drosophila melanogaster has emerged as a model organism for research on social interactions. Although recent studies have described how individuals interact on foods for nutrition...

...Samuel C. Whitehead; Tsevi Beatus; Luca Canale; Itai Cohen ABSTRACT Flapping insect flight is a complex and beautiful phenomenon that relies on fast, active control mechanisms to counter aerodynamic instability. To directly investigate how freely flying Drosophila melanogaster control their body...

...Benjamin N. Harwood; Isabelle Draper; Alan S. Kopin Bursicon is a hormone that modulates wing expansion, cuticle hardening and melanization in Drosophila melanogaster . Bursicon activity is mediated through its cognate G protein-coupled receptor (GPCR), rickets. We have developed a membrane...

... unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed. Drosophila melanogaster Memory Olfaction Perception Generalization Discrimination Understanding perception is one of the more challenging tasks in science. Among many other...