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The robust, high-throughput, and temporally regulated roxCre and loxCre reporting systems for genetic modifications in vivo

Shi, M.; Li, J.; Liu, X.; Liu, K.; He, L.; Pu, W.; Weng, W.; Zhang, S.; Zhao, H.; Lui, K.; Zhou, B.

2025-01-21 genetics
10.1101/2024.04.23.590680 bioRxiv
Show abstract

Cre-loxP technology, a cornerstone in fate mapping and in vivo gene function studies, faces challenges in achieving precise and efficient conditional mutagenesis through inducible systems. This study introduces two innovative genetic tools designed to overcome these limitations. The first, roxCre, enables DreER-mediated Cre release, paving the way for intersectional genetic manipulation that permits increased precision and efficiency. The second, loxCre, facilitates conditional gene targeting by allowing CreER lines to induce Cre expression with significantly enhanced efficiency. These tools incorporate a fluorescent reporter for genetic lineage tracing, simultaneously revealing efficient gene knockout in cells marked by the reporter. These strategies hold great potential for precise and efficient exploration of lineage-specific gene functions, marking a significant advancement in genetic research methodologies.

Published in eLife (predicted rank #1) · training set

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