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Lineage Tracing and Clonal Analysis in Developing Cerebral Cortex Using Mosaic Analysis with Double Markers MADM

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A reference brain for the clonal raider ant.

Dominic D Frank¹, Lindsey E Lopes², Rishika Mohanta¹

¹Laboratory of Social Evolution and Behavior, The Rockefeller University, 1230 York Avenue, New York, NY 10065, USA.

Current Biology : CB

|December 6, 2025

Summary

This summary is machine-generated.

The clonal raider ant brain structure was mapped, revealing significant individual variations. This discovery suggests brain differences may influence social behaviors and task specialization in these ants.

Keywords:

Dorylinae Formicidae Ooceraea biroi brain volume individuality neuroanatomical variability neuroanatomy neurotransmitters social insect standard brain

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Visual Classical Conditioning in Wood Ants

Visual Classical Conditioning in Wood Ants

Published on: October 5, 2018

Area of Science:

Neuroscience
Entomology
Social Insect Biology

Background:

Ants display complex social behaviors.
The clonal raider ant (Ooceraea biroi) is a model organism due to its unique social structure and clonal reproduction.
A reference brain for O. biroi is currently lacking.

Purpose of the Study:

To create the first reference brain for the clonal raider ant.
To develop a pipeline for aligning ant brains for comparative analysis.
To investigate neuroanatomical variability in O. biroi.

Main Methods:

Confocal microscopy was used to image 40 O. biroi brains.
3D groupwise registration was employed to construct a reference brain.
A registration pipeline was developed for precise anatomical comparisons.

Main Results:

The first reference brain for O. biroi was successfully generated.
Extensive interindividual variability in brain structure was observed.
A novel registration pipeline was established for high-precision anatomical analysis.

Conclusions:

The generated reference brain and registration pipeline are valuable resources for social insect neuroscience.
Observed brain variability may be linked to behavioral division of labor in O. biroi.
This study reveals new insights into clonal raider ant neurobiology and its impact on social behavior.