A three-dimensional stereotaxic MRI brain atlas of the cichlid fish oreochromis mossambicus

Simões, José Miguel; Teles, Magda; Oliveira, Rui Filipe; Van der Linden, Annemie; Verhoye, Marleen

http://hdl.handle.net/10400.12/2386

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Authors

Simões, José Miguel

Teles, Magda

Oliveira, Rui Filipe

Van der Linden, Annemie

Verhoye, Marleen

Abstract(s)

The African cichlid Oreochromis mossambicus (Mozambique tilapia) has been used as a model system in a wide range of behavioural and neurobiological studies. The increasing number of genetic tools available for this species, together with the emerging interest in its use for neurobiological studies, increased the need for an accurate hodological mapping of the tilapia brain to supplement the available histological data. The goal of our study was to elaborate a three-dimensional, highresolution digital atlas using magnetic resonance imaging, supported by Nissl staining. Resulting images were viewed and analysed in all orientations (transverse, sagittal, and horizontal) and manually labelled to reveal structures in the olfactory bulb, telencephalon, diencephalon, optic tectum, and cerebellum. This high resolution tilapia brain atlas is expected to become a very useful tool for neuroscientists using this fish model and will certainly expand their use in future studies regarding the central nervous system.