Navigation Links
The Chemistry Of Sexual Attraction Between Male And Female Elephants

A novel study conducted at Oregon Health & Science University and the University of Auckland in New Zealand has revealed that a perfect molecular mixture present in male-emitted pheromone // in musth (an annual period of sexual activity and increased aggression) dictates the sexual behavior of other surrounding male competitors and influences the female elephants mating interest.

The researchers argue that release of a specific proportion of two mirror images of the pheromone, frontalin, depends on whether the male elephant is mature enough and has reached a particular stage of musth.

"This study reveals the precision and specificity of inter-animal signaling possible. This is the first example, in mammals, of the use of this very precise signaling and ratio of enantiomers in signaling," said co-author L.E.L. "Bets" Rasmussen.

Enantiomers represent a pair of chemical compounds whose molecular structures are mirror images of each other. Frontalin, a pheromone discharged during musth by male Asian elephants from a temporal gland located between the eye and ear, takes two forms and is designated either with a plus or minus sign.

An analysis of the samples from six male elephants revealed that the pheromone is first detectable in the late teens, with the maximal production occurring over a 25-year life span. The frontalin enantiomers were found to be released in specific ratios depending on the age of the animal and stage of its musth. Any alteration in the ratio was found to elicit a different response from the potential female partner and other male elephants emitting the pheromone.

Until now, it has been assumed that elephants would make only one form of frontalin. The complexity associated with change of the frontalin's enantiomers ratio and the change in signal is something new that has been discovered.

When ovulating or "follicular" females, and females that were either pregnant or in a non-reproductive "luteal" phase were examined, a mild mating interest was seen when there was more of plus rather than minus form. A repulsive effect was observed when there were equal proportions of both forms.

Rasmussen added: "All of these responses and resultant behaviors are measurable in time. Not milliseconds, but seconds. We have a repertoire of follow-up behavior, such as trumpeting, running away and circling, that also can be counted and scored. Such information is translatable at the basic level to other animals," including humans.

The researchers hope to use the study's results to intensify the study further and possibly understand the mating behavior in other mammalian species.


'"/>




Related medicine news :

1. Love And Drug Addiction Share The Same Chemistry
2. Chemistry Over The Counter: Is It Just What The Doctor Ordered?
3. New Chemistry Approach Promises Less Expensive Drugs
4. Sexual abuse affect health for a lifetime
5. Hypertensive Drug Improves Sexual Dysfunction in Hypertensive Men
6. Incidence Of Sexually Transmitted Diseases Among Gay Men On The Rise
7. Testosterone Patches Found To Increase Sexual Desire In Menopausal Women
8. Condom Vending Machines Increasing Sexual Assaults On Women
9. Sexually Abused Girls Develop Eating Disorders
10. Gynaecologist Faces Stiff Prison Sentence On Counts Of Sexual Abuse
11. New Sexual Misconduct Rule Against Doctors In The US
Post Your Comments:
*Name:
*Comment:
*Email:


(Date:5/26/2016)... ... May 26, 2016 , ... Despite last week’s media reports hinting at a ... to wait until March 2017 for an interest rate increase, according to Rajeev Dhawan ... Business. , “The Federal Open Market Committee (FOMC) dot charts are of interest to ...
(Date:5/26/2016)... St. Louis, Missouri (PRWEB) , ... May 26, ... ... optimal cost, quality and clinical outcomes, hosted members and suppliers for its inaugural ... with a focus on their mission of elevating the operational health of America’s ...
(Date:5/26/2016)... ... 26, 2016 , ... The Woodlands at John Knox Village , Florida’s ... care for living and healing, celebrated its grand opening, today. The Woodlands at John ... provided by Empowered Staff. , “This is an incredibly fulfilling time for John Knox ...
(Date:5/26/2016)... N.J. (PRWEB) , ... May 26, 2016 , ... ... delivery technologies and development solutions for drugs, biologics, consumer health and global clinical ... sales office in Korea to support the company’s continued investment and strategic growth ...
(Date:5/26/2016)... ... , ... Memorial Day Weekend marks the unofficial start of summer and the ... make sure your family and vehicle are ready to hit the road this weekend. ... deaths and an additional 50,500 serious injuries from motor vehicle crashes during the three-day ...
Breaking Medicine News(10 mins):
(Date:5/25/2016)... , May 25, 2016  Zymo Research Corp. ... their new reference materials that help researchers obtain ... collection to analyses. The rapid growth of the ... researchers to have standard methods to improve the ... Biases inherently exist at every step of the ...
(Date:5/25/2016)... May 25, 2016  Granger Diagnostics today announced immediate ... wounds and infections. This test ensures discovery of ... viruses. The test requires only a simple swab of ... David G. Bostwick , MD, Chief Medical ... wound healing: "We are excited to make available, ...
(Date:5/25/2016)... , May 25, 2016 ... H1 2016"market research report that provides an overview ... comparative analysis at various stages, therapeutics assessment by ... administration (RoA) and molecule type, along with latest ... also reviews key players involved in the therapeutic ...
Breaking Medicine Technology: