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New study reveals how some chickens got striped feathers

8 April, 2017 - Uppsala universitet

Birds show an amazing diversity in plumage colour and patterning. But what are the genetic mechanisms creating such patterns? In a new study published in PLOS Genetics, Swedish and French researchers report that two independent mutations are required to explain the development of the sex-linked barring pattern in chicken.

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Genes key to killer bee’s success

5 April, 2017 - Uppsala universitet

In a new study, researchers from Uppsala University sequenced the genomes of Africanized bees that have invaded large parts of the world to find out what makes them so extraordinarily successful. One particular region in the genome caught the researchers’ attention and the genes found there could be part of the explanation for the aggressive advances of these hybrid bees.

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The genetic basis for timing of reproduction in the Atlantic herring revealed

4 April, 2017 - Uppsala universitet

In a study published today in PNAS, scientists in Sweden and Canada have studied the genetic basis of reproduction in 25 populations of herring from both sides of the North Atlantic. They revealed a number of genes associated with the timing of reproduction, and the genetic variants associated with spring or autumn spawning were found to be largely shared between geographically distant populations

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Post-traumatic stress symptoms can be prevented by using Tetris in the emergency department

28 March, 2017 - Karolinska Institutet

A single dose psychological intervention including the computer game Tetris can prevent the unpleasant, intrusive memories that develop in some people after suffering a traumatic event. Researchers have been able to demonstrate how the survivors of motor vehicle accidents have fewer such symptoms if they play Tetris in hospital within six hours of admission after also having been asked to recall their memory of the accident. The results of the study, which was conducted by researchers at Karolinska Institutet with colleagues at Oxford University and elsewhere, are published in the journal Molecular Psychiatry.

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