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- Title
How to bake a brain: yeast as a model neuron.
- Authors
Sarto-Jackson, Isabella; Tomaska, Lubomir
- Abstract
More than 30 years ago Dan Koshland published an inspirational essay presenting the bacterium as a model neuron (Koshland, Trends Neurosci 6:133-137, ). In the article he argued that there are several similarities between neurons and bacterial cells in 'how signals are processed within a cell or how this processing machinery can be modified to produce plasticity'. He then explored the bacterial chemosensory system to emphasize its attributes that are analogous to information processing in neurons. In this review, we wish to expand Koshland's original idea by adding the yeast cell to the list of useful models of a neuron. The fact that yeasts and neurons are specialized versions of the eukaryotic cell sharing all principal components sets the stage for a grand evolutionary tinkering where these components are employed in qualitatively different tasks, but following analogous molecular logic. By way of example, we argue that evolutionarily conserved key components involved in polarization processes (from budding or mating in Saccharomyces cervisiae to neurite outgrowth or spinogenesis in neurons) are shared between yeast and neurons. This orthologous conservation of modules makes S. cervisiae an excellent model organism to investigate neurobiological questions. We substantiate this claim by providing examples of yeast models used for studying neurological diseases.
- Subjects
BRAIN physiology; NEUROLOGICAL disorders; YEAST fungi biotechnology; BACTERIAL cells; EUKARYOTIC cells
- Publication
Current Genetics, 2016, Vol 62, Issue 2, p347
- ISSN
0172-8083
- Publication type
Article
- DOI
10.1007/s00294-015-0554-2