Articles tagged with Mating Behavior
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Researchers have found that pheromones play a crucial role in mice's gender recognition. The knockout mice, which lacked a gene for a pheromone receptor, were unable to recognize males and displayed unusual mating behavior. This breakthrough provides new insights into the neural circuitry responsible for sex discrimination in mice.
Preclinical studies demonstrated PT-141's ability to increase precopulatory sexual behaviors in female rodents. The peptide analog stimulated melanocortin receptors, which play a role in appetite and sexual arousal. Palatin expects PT-141 to offer a unique treatment for women with desire disorders.
A study by Cornell University researchers found that each mating strategy in side-blotched lizards has its advantages and vulnerabilities, allowing them to coexist and perpetuate. The aggressive orange-throated males, loyal blue-throated males, and sneaky yellow-throated males all have a reasonable chance of reproductive success.
Researchers at Cornell University have discovered that brain neurochemicals, not gender, play a crucial role in shaping social behavior in fish. The study found that isotocin and vasotocin, equivalent to oxytocin and vasopressin in mammals, modulate electrical output of the brain establishing social behaviors typical of females.
Researchers at Rockefeller University have elucidated the wiring diagram of the accessory olfactory system, which is more complex than the main olfactory system. The findings suggest that the accessory olfactory system recognizes blends of molecules rather than individual odorant molecules.
Researchers identified five brain areas activated during sexual arousal, including the inferior temporal cortex and right orbitofrontal cortex. The study used positron emission tomography to map brain activity while subjects watched different films, providing insights into the neurophysiological bases of human sexuality.
A Cornell University study reveals that male wattled jacanas are tolerant of their mates' infidelity because they understand the benefits of polyandry, a mating system where females pair with multiple males. The study found that over 40% of chicks in these nests were not sired by the care-taking male.
Researchers successfully isolated intact DNA from giant sloth droppings, providing insight into its diet and habits. The discovery uses a novel molecular-palaeontologic method to analyze the chemical reaction that protects DNA in dried dung.
The discovery of Majungatholus atopus sheds new light on the dinosaur family Abelisauridae, which has been found only in South America and India. The fossil's unique structure suggests it was a top predator on Madagascar, feeding on sauropod dinosaurs.
Researchers at the University of Massachusetts have successfully created two healthy, genetically modified cloned calves using a combination of cloning techniques with genetic engineering. The calves, named Charlie and George, were born last week after four years of research by James Robl and Steven Stice.
Researchers at Stanford University and their colleagues have isolated a single gene, fru, that controls most aspects of male sexual behavior in adult fruit flies. The gene governs the fly's courtship ritual, including its courting song and ability to recognize females.
The Duke Primate Center aims to capture three diademed sifakas for breeding in captivity, addressing the animals' critically endangered status due to habitat destruction and poaching. The expedition, set for October 2-18, will help build a captive breeding stock to replenish wild populations.
The University of Massachusetts has introduced an in-vessel composting unit at Tillson Farm, expected to process 10-20 tons of food waste into compost. The system, a self-contained commercial composter, uses a combination of heat, moisture, and air circulation to break down organic waste.