期刊
TRENDS IN CELL BIOLOGY
卷 32, 期 4, 页码 324-337出版社
CELL PRESS
DOI: 10.1016/j.tcb.2021.09.007
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资金
- National Key Research and Development Program of China [2019YFA0110403, 2019YFA0802000]
- National Science Foundation of China [8208810001, 31730112, 31625019, 91849202]
Accurate deciphering of cellular plasticity in vivo is crucial for understanding biological processes. Site-specific recombinases are genetic tools used for in vivo lineage tracing and gene manipulation. Different recombinase systems can be combined to increase precision, allowing for lineage tracing, studying cellular heterogeneity, recording cellular activities, and even genome editing.
Precisely deciphering the cellular plasticity in vivo is essential in understanding many key biological processes. Site-specific recombinases are genetic tools used for in vivo lineage tracing and gene manipulation. Conventional Cre-IoxP, Dre-rox, and Flp-frt technologies form the orthogonal recombination systems that can also be used in combination to increase the precision. As such, more than one marker gene can be targeted for lineage tracing, studying cellular heterogeneity, recording cellular activities, or even genome editing. Their combinatory use has recently resolved some controversies in defining cellular fate plasticity. Focusing on cell fate studies, we introduce the design principles of orthogonal recombinases-based strategies, describe some working examples in resolving cell fate-related controversies, and discuss some of their technical strengths and limits.
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