December 4, 2020

Patch-clamp recordings in slices of telencephalon, diencephalon and rhombencephalon of salamanders

The salamander is a key limbed vertebrate from which many major scientific questions can be addressed in the fields of motor control, evolutionary biology, and regeneration biology. An important gap of knowledge is the description of the electrophysiological properties of the neurons constituting their central nervous system. To our knowledge, some patch-clamp electrophysiological recordings were done in the spinal cord and recently in hindbrain slices, but not in any higher brain region. Here, researchers present a method to obtain patch-clamp recordings in slices of the telencephalon, diencephalon and rhombencephalon of salamanders.

The method includes dissection of the brain, brain slice preparation, visual identification of neurons and patch-clamp recordings. They provided single cell recordings in the rhombencephalon, diencephalon and telencephalon of salamanders. This method should open new avenues to dissect the operation of salamander brain circuits at the cellular level.

 bioRxiv Subject Collection: Neuroscience

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