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  • Eavsdroping sex

    10.01.2018

    For example, the tear glands of male mice produce a protein that makes females more receptive to sex. As the researchers suspected, the protein also activates receptors in the vomeronasal organs of mice. Touhara says that rat CRP1 is a member of the cystatin superfamily, a group best known for its role in inhibiting enzymes that degrade proteins. The findings provide the first example of "olfactory eavesdropping" in the predator-prey communications of mammals, the researchers say. The chemical cue appears to tip the mice off to the fact that predators i. The protein, produced by male rats, activates receptors in the vomeronasal organ of female rats, prompting them to stop.

    Eavsdroping sex


    For example, the tear glands of male mice produce a protein that makes females more receptive to sex. When mice detect rat CRP1, they report, it activates a defensive circuit in the rodents' brains. As the researchers suspected, the protein also activates receptors in the vomeronasal organs of mice. March 29, , Cell Press This graphical abstract illustrates how a novel vomeronasal ligand, cystatin-related protein 1 CRP1 , from male rat tear fluid that mediates an intra-specific signal in a predator species rat can also function as an inter-specific signal in the prey species mouse. The findings provide the first example of "olfactory eavesdropping" in the predator-prey communications of mammals, the researchers say. In the new study, they hypothesized that proteins secreted in the tear fluid of a predator rats might trigger behavioral changes in their prey mice. Now researchers reporting in Current Biology on March 29 have found that rat tears contain proteins with similar functions. But studies have shown that proteins in tears do act as pheromonal cues. When the researchers genetically modified mice to block expression of one of those receptors, the animals stopped responding to rat CRP1. The researchers say that future studies will explore how rat-derived vomeronasal signals are encoded to produce distinct behaviors in the mice. Touhara's team found that multiple receptors in the mouse vomeronasal organ detect the rat protein. The protein, produced by male rats, activates receptors in the vomeronasal organ of female rats, prompting them to stop. The chemical cue appears to tip the mice off to the fact that predators i. Touhara says that rat CRP1 is a member of the cystatin superfamily, a group best known for its role in inhibiting enzymes that degrade proteins. The new study also shows that mice pick up on the rats' tear proteins, too. As a result, the mice stop moving around as their body temperature and heart rate drop. The discovery also opens a new avenue to explore the evolution of predator-prey communications. That a member of this superfamily would serve as a chemical signal comes as a surprise. First, they identified a novel compound in rats' tear fluid, which they call cystatin-related protein 1 CRP1.

    Eavsdroping sex

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    2 Comments on “Eavsdroping sex”

    • Kilabar

      Now researchers reporting in Current Biology on March 29 have found that rat tears contain proteins with similar functions.

    • Kagakora

      The chemical cue appears to tip the mice off to the fact that predators i. As a result, the mice stop moving around as their body temperature and heart rate drop.

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