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First has been transferred to behavior between different biological types


The Japanese biologists have first managed to "transfer" a unique mating behavior between the species, changing only one gene function. During the experiment, Drosophila Melanogaster, which usually "sings" for females, has started to give them food, a typical of another type of DROSOPHILA SUBOBSCURA. The work was published in the Science magazine.

Most of the male fruits in nature are fabricated by females, fluctuating their wings and creating songs. However, D. Subobscura has developed differently. The males vomit food and present it as a gift. Scientists have found that the neurons of insulin in the brain of these flies are connected to the Falling Management Center, while in the case of "singing" D. Melanogaster.

The researchers have activated the fruitless (FRU) gene in the Neurons, which produces Melanogaster Insulin, which has led to the formation of new nervous processes and their connection with the loving-contact center. As a result, the flies developed new neuron chains and first started to eat food.

The authors of the work note that the evolution of new forms of behavior does not always require the emergence of new neurons, sometimes the small changes in existing cell connections are sufficient. In their opinion, this helps to understand how genetic rearrangements lead to different types of survival and reproduction of new reproduction strategies.

Translation of: Euromedia24.com

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