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Fruit flies bred without neurobeachin protein to facilitate study of nervous system diseases in humans

Date:
October 29, 2012
Source:
Freie Universitaet Berlin
Summary:
Scientists have bred fruit flies for first time without neurobeachin protein to facilitate the study of nervous system diseases in humans.

In experiments on the brain of the fruit fly Drosophila, scientists at Freie Universität Berlin have advanced the research on brain function and diseases in humans. Neuroscientists in the Emmy Noether Junior Research Group "Biological Memory Systems" headed by Dr. Martin Schwärzel and based at Freie Universität succeeded in breeding fruit flies without the neurobeachin protein. Among other things, BEACH proteins affect the development and function of the brain in animals and humans.

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The results were published in the most recent issue of the Journal of Neuroscience. In the future such animal models could be of particular importance for the understanding of certain diseases in humans, such as autism. Scientists from the University of Hohenheim and the Belgian Katholieke Universiteit Leuven were also involved.

Up to now there were no animal models suitable for understanding the significance of neurobeachin proteins in the functioning of the nervous system, for example in memory formation. Mice that are lacking the neurobeachin protein die shortly after birth. Fruit flies, on the other hand, can be alive and well without neurobeachin. The scientists also found in experiments on the flies that neurobeachin has a function in learning as the flies exhibit characteristic learning disabilities due to the absence of the protein.

The flies were also found to have a number of other abnormalities with regard to the development and function of the nervous system. Through a "genetic rescue experiment," the researchers were able to localize the distribution of these defects in the brain. The function of the lacking neurobeachin gene was reintroduced in certain areas of the nervous system. With this procedure, the researchers were able to show, among other things, that certain features of the neurobeachin protein in flies and mice are identical.


Story Source:

The above story is based on materials provided by Freie Universitaet Berlin. Note: Materials may be edited for content and length.


Journal Reference:

  1. K. Volders, S. Scholz, J. R. Slabbaert, A. C. Nagel, P. Verstreken, J. W. M. Creemers, P. Callaerts, M. Schwarzel. Drosophila rugose Is a Functional Homolog of Mammalian Neurobeachin and Affects Synaptic Architecture, Brain Morphology, and Associative Learning. Journal of Neuroscience, 2012; 32 (43): 15193 DOI: 10.1523/JNEUROSCI.6424-11.2012

Cite This Page:

Freie Universitaet Berlin. "Fruit flies bred without neurobeachin protein to facilitate study of nervous system diseases in humans." ScienceDaily. ScienceDaily, 29 October 2012. <www.sciencedaily.com/releases/2012/10/121029081352.htm>.
Freie Universitaet Berlin. (2012, October 29). Fruit flies bred without neurobeachin protein to facilitate study of nervous system diseases in humans. ScienceDaily. Retrieved April 18, 2015 from www.sciencedaily.com/releases/2012/10/121029081352.htm
Freie Universitaet Berlin. "Fruit flies bred without neurobeachin protein to facilitate study of nervous system diseases in humans." ScienceDaily. www.sciencedaily.com/releases/2012/10/121029081352.htm (accessed April 18, 2015).

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