Sentences with phrase «esp1 sex pheromone»

After conducting a range of different experiments, the researchers discovered that some of the chemicals left behind by the females, called sex pheromones, were largely responsible for keeping the males awake.

«Right about five o'clock in the afternoon — we call it the rush hour — the beetles climb to the top of the trees and release a sex pheromone that travels on the wind.

«I was certain that it would be a small molecule, like sex pheromones in sea anemones or something along those lines.

With its odor - sensitive antennae, the moth senses a target smell — in this case, female silkworm sex pheromones — and walks toward it along the trackball, driving the robotic car.

«The overall message,» says Gries, «is that here is some great food to eat, and here is safety, because not only can they hear «live» rats, they can also smell the male rat's sex pheromone.

In the lab, and in field experiments, female brown rats readily enter trap boxes baited with the male brown rat's sex pheromone.

Using microelectrodes, the researchers recorded the electrical activity of pheromone - sensitive interneurons in male American cockroaches that relay signals of female - producing sex pheromones in the antennal lobe (functional homolog to the mammalian olfactory bulb) to higher - order centers.

Simon Fraser University scientists have developed a new way to exterminate rats by identifying and synthetically replicating the male brown rat's sex pheromone.

Many longhorned beetles, such as this Neoclytus mucronatus, attract mates by exuding a sex pheromone.

A similar discovery in fruit flies, reported in an earlier independent study, which shows that a particular sex pheromone enhances female sexual behaviors and male aggression via separate neural circuits between the sexes, suggests that a sexually distinct circuit may be a universal strategy for converting male pheromone information into appropriate behavioral output.

«The call of the dung: How flies find their meal: Frass excreted on fruits by vinegar flies contains sex pheromones and invites conspecifics to join the meal.»

Top: When male mice detect the ESP1 sex pheromone, they display enhanced aggressive behavior toward other male mice.

Artificial illumination also misleads female cabbage moths into skimping on production of their usual sex pheromone lure.

Female insects emit sex pheromones in order to attract potential mating partners.

Unlike many other species, male hunting spiders do not use chemical signals such as sex pheromones to attract a mate.

Yet the female sex pheromone?

The newest measure involves hijacking a sex pheromone that male lampreys use to attract females.

According to lead author of the study, Dr Marinus De Jager of Stellenbosch University: «Since the discovery that the floral scent of these remarkable orchids mimics female sex pheromones, many of these compounds have been made in the laboratory.

Many orchids are masters of sexual deception, tricking male insects into pollinating their flowers by producing chemicals that precisely mimic female insects» sex pheromones.

Sex pheromones wafting from a female's skin drive males crazy, but how they work has long been a mystery.

A new study offers a possible solution to this long - standing evolutionary mystery, suggesting that new sex pheromones may evolve through genetic mutation before potential mates develop the ability to detect them.

Many kinds of insect, perhaps most, find their mates by scent, the so - called sex pheromones.

In essence, the question is which came first, a new species or its sex pheromone?

When the scientists analyzed the N. vitripennis male sex pheromone, they found it contained two important chemicals, which they call RS and RR.

RS also turns up in the male sex pheromones of another species of wasp, N. giraulti, whereas RR appears to be unique.

For one insect, the allure of sex pheromones is not enough to attract a mate.

«The traps utilizing sex pheromones to attract only male cockroaches are not sufficient,» says Nishino.

NC State entomologist Coby Schal and NC State and University of Amsterdam colleagues wanted to learn more about the sexual signaling efforts used by moths, a diverse group of insects with well - identified sex pheromones.

In moths, females emit a species - specific sex pheromone, consisting of a blend of biochemically related components, to which males are attracted.

In contrast, the Drosophila sex pheromone cVA is detected by both sexes and elicits dimorphic behavior by routing the signal via different third order neuronal circuits deep in the brains of males and females [19].

Megan Massa: Rapid Effects of Testosterone on Responsiveness to Sex Pheromones in Male Carassius auratus

Alex Bender - «Quantification of Vasotocin Release in Response to Sex Pheromones in Roughskin Newts» (Advisors: P. Dickinson and R. Thompson)

In silk moths, this is achieved by only males expressing the receptor BmOR - 1 in their antenna, which detects the female - specific sex pheromone bombykol [18].

Thus diversity in receptor expression can explain differences in odor sensitivity, but does not appear to dictate whether sex pheromones are differentially detected by males or females.

Before then, they assumed that B. germanica didn't need a volatile sex pheromone because the cockroaches live in close quarters where males could easily find females, Schal says.

15 years ago, nobody would've ever expected that a game about shooting Japanese schoolgirls with sex pheromones would release on North American store shelves.

Urine is a major source of sex pheromones.

His specialty is explaining scientific studies for lay audiences, including recent stories about riverless urban areas in the Great Lakes Basin, the impact of climate change on rare plants and the use of sex pheromones to combat the invasive sea lamprey.

Not exact matches

They saw many more when they boosted a pheromone secreted by «a» cells that draws same - sex cells together.

They discovered that pheromones secreted by the male mouse activate these neurons which, in turn, transmit this signal to another population of neurons (gonadotropin - releasing hormone neurons) to drive attraction to the opposite sex.

They did this by disabling an enzyme in «a» cells that usually destroys the «same - sex» pheromone.

Ever since a pheromone secreted by a female moth that attracts the opposite sex was identified in 1959, scientists have pinned down numerous chemicals that affect behavior in a wide variety of animal species, from insects to mammals to humans.

Many previous studies have examined the role that sex - specific pheromones or semiochemicals play in the evolution of a spider's reproduction cycle.

«From our perspective as chemists, we were almost disappointed that a molecule which conveys something important as sex has such a simple structure,» says Aleš Svatoš, who performed the chemical analyses to identify the pheromone.

To find out whether sex hormones affect the number of neurons devoted to detecting female pheromones, the researchers removed the testes from male mice and the ovaries from females.

Maures et al. (p. 541, published online 29 November) explored why the presence of abundant mating - competent males causes a decrease in the life span of nematodes of the opposite sex and found that a secreted substance, possibly a pheromone, reproduced the effect of the males when transferred in the culture medium.

Unlike mice and many other animals, humans seem to lack the biological hardware for detecting pheromones, airborne molecules that carry information about sex and status.

In Adelaide, Professor Mike Tyler is exploring the possibility of using pheromones (e.g., sex - attractant chemicals) to help in toad - trapping.

But rather than changes in doublesex itself, these studies revealed changes in downstream targets of dsx, via changes to specific DNA sequences to which DSX protein binds in the cis - regulatory regions of the bric - a-brac and desatF genes and affecting sex differences in abdominal pigmentation and pheromone production.

Mice of both sexes appear capable of detecting this pheromone, suggesting the differential response is due to modifications in the downstream neural circuitry [4].