期刊
CURRENT OPINION IN NEUROBIOLOGY
卷 20, 期 1, 页码 14-21出版社
CURRENT BIOLOGY LTD
DOI: 10.1016/j.conb.2009.10.017
关键词
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资金
- National Institutes of Health
- Howard Hughes Medical Institute
Neurons derived from the same progenitor may acquire different fates according to their birth timing/order. To reveal temporally guided cell fates, we must determine neuron types as well as their lineage relationships and times of birth. Recent advances in genetic lineage analysis and fate mapping are facilitating such studies. For example, high-resolution lineage analysis can identify each sequentially derived neuron of a lineage and has revealed abrupt temporal identity changes in diverse Drosophila neuronal lineages. In addition, fate mapping of mouse neurons made from the same pool of precursors shows production of specific neuron types in specific temporal patterns. The tools used in these analyses are helping to further our understanding of the genetics of neuronal temporal identity.
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