Long-Term Live Imaging, Cell Identification and Cell Tracking in Regenerating Crustacean Legs

This study introduces a novel method for long-term live imaging and cell tracking in regenerating crustacean legs, specifically in Parhyale hawaiensis, allowing for up to 10 days of cellular resolution imaging. The researchers developed techniques to minimize photodamage and enhance cell tracking accuracy, using a combination of automated and manual methods. They identified three phases of regeneration: wound closure, cell proliferation and morphogenesis, and differentiation, using 22 time-lapse movies. Despite the advancements, the study acknowledges the need for more quantitative analysis of cellular dynamics and highlights challenges in tracking cells in deeper tissue layers. The work provides a framework for future studies on gene-regulatory networks during cell differentiation and is significant for its methodological contributions to regeneration biology.