Science

Researchers create first whole-body single-cell atlas of an adult vertebrate

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 29/10/2026, 18:10:24 UTC.

Briefings

Researchers have created the first whole-body single-cell atlas for the Danionella cerebrum, a small, transparent vertebrate fish. This study provides unprecedented access to the neural circuitry of an adult animal, allowing scientists to map its entire nervous system at the cellular level. The project began in 2018 with the species' adoption for neuroscience research, and the formal description occurred in 2021, leading to rapid interest in its unique biology.

Key points

• The Danion cerebrum is a small, transparent vertebrate fish that was adopted for neuroscience research in 2018 and formally described in 2021.
• The study provides the first whole-body single-cell atlas for this species, enabling the mapping of its entire nervous system at the cellular level.

Context

This research represents a significant advancement in vertebrate neuroscience by offering a rare, transparent model for studying adult neural circuits. The findings are critical for understanding complex brain functions in non-model organisms.

Limitations

The evidence is limited to the initial adoption and formal description of the species in 2018 and 2021. No specific cell counts, neural pathway details, or experimental results from the atlas are provided in the source.

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