Navigation Links
Pheromone from mother's milk may rapidly promote learning in newborn mammals

By studying the ability of newborn rabbit pups to learn the significance of new odors, researchers have found that a mammary pheromone secreted in mother's milk may act as a chemical booster that facilitates the ability of pups to quickly associate environmental odors with the opportunity to nurse.

The findings, which deepen our understanding of pheromone function and how learning occurs in the earliest days of life, are reported in the October 10th issue of the journal Current Biology, published by Cell Press, by a team including Gérard Coureaud and Anne-Sophie Moncomble and colleagues from the Centre Européen des Sciences du Goût in Dijon, which is supported by the Centre National de la Recherche Scientifique, and the Université de Bourgogne and Inra. Benoist Schaal, another author of the study, is the director of the Centre Européen des Sciences du Goût.

Newborn mammals are highly dependent on their mother's milk for survival, and they typically exhibit a defined sequence of actions when searching for milk. This searching behavior rapidly becomes increasingly directed, showing that mammalian newborns are efficient learners. Past studies of this very early learning in the European rabbit (Oryctolagus cuniculus) have shown that newborn pups engage in typical food-searching movements in response to olfactory signals that include the mammary pheromone secreted in mother's milk. The ability of newborns to rapidly improve their milk-finding skills likely involves learning that "new" odors--for example, those from the mother's abdomen, or of milk itself--are associated with food.

In the new work, the researchers investigated whether the mammary pheromone plays a role in the ability of newborns to learn to associate other odors with the availability of milk. By presenting newborns with the pheromone in combination with an otherwise "neutral" odor and subsequently testing whether the neutral odor alone would later elicit the typical food-searchi ng behavior in the pups, the researchers were able to show that the pheromone is indeed effective at promoting the ability of the newborns to learn the significance of new odors. The researchers showed that this pheromone-induced learning is efficient from the time of birth and is capable of promoting the learning of successive different odorants presented to newborn pups.

Given its ability to promote the learning of new olfactory cues, the mammary pheromone may act as a kind of organizing signal that boosts the brain's ability to associate new odors with milk availability. This would in turn facilitate an essential skill: the ability of newborn pups to rapidly hone their suckling instincts during the first days of life.
'"/>

Source:Cell Press


Related biology news :

1. Leading lampreys to slaughter: Pheromone for scourge of Great Lakes identified
2. Mouse brain cells rapidly recover after Alzheimers plaques are cleared
3. New technique rapidly detects illness-causing bacteria
4. Prions rapidly remodel good protein into bad, Brown study shows
5. Scientists must offer solutions for conserving tropical forests in a rapidly changing world
6. Radiation-armed robot rapidly destroys human lung tumors
7. New strategy rapidly identifies cancer targets
8. Fire ant-attacking fly spreading rapidly in Texas
9. Fragmentation rapidly erodes Amazonian biodiversity
10. Silver bullet: UGA researchers use laser, nanotechnology to rapidly detect viruses
11. GreeneChip -- New diagnostic tool that rapidly and accurately identifies multiple pathogens

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:5/9/2016)... , UAE, May 9, 2016 ... when it comes to expanding freedom for high net ... Even in today,s globally connected world, there is ... conferencing system could ever duplicate sealing your deal with ... obtaining second passports by taking advantage of citizenship via ...
(Date:4/26/2016)... and LONDON , April ... part of EdgeVerve Systems, a product subsidiary of ... today announced a partnership to integrate the Onegini ...      (Logo: http://photos.prnewswire.com/prnh/20151104/283829LOGO ) ... their customers enhanced security to access and transact ...
(Date:4/15/2016)... 15, 2016 Research and ... Biometrics Market 2016-2020,"  report to their offering.  , ... , ,The global gait biometrics market is expected ... the period 2016-2020. Gait analysis generates ... be used to compute factors that are not ...
Breaking Biology News(10 mins):
(Date:6/24/2016)... , June 24, 2016  Regular discussions on a ... take place between the two entities said Poloz. ... Ottawa , he pointed to the country,s ... the federal government. ... said, "Both institutions have common economic goals, why not sit ...
(Date:6/23/2016)... ... June 23, 2016 , ... UAS ... the launch of their brand, UP4™ Probiotics, into Target stores nationwide. The company, ... proud to add Target to its list of well-respected retailers. This list includes ...
(Date:6/23/2016)... ... June 23, 2016 , ... Charm Sciences, Inc. ... test has received AOAC Research Institute approval 061601. , “This is another AOAC-RI ... stated Bob Salter, Vice President of Regulatory and Industrial Affairs. “The Peel Plate ...
(Date:6/23/2016)... ... , ... STACS DNA Inc., the sample tracking software company, today announced that ... joined STACS DNA as a Field Application Specialist. , “I am thrilled that ... of STACS DNA. “In further expanding our capacity as a scientific integrator, Hays brings ...
Breaking Biology Technology: