Cyclic caged morpholinos: conformationally gated probes of embryonic gene function.
Cyclic caged morpholinos: conformationally gated probes of embryonic gene function.
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DOI:
10.1002/anie.201201690
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发表时间:
2012-07-09
影响因子:
16.6
通讯作者:
Chen, James K.
中科院分区:
文献类型:
--
作者:
Yamazoe, Sayumi;Shestopalov, Ilya A.;Provost, Elayne;Leach, Steven D.;Chen, James K.
Deciphering the molecular mechanisms that underlie embryogenesis requires an ability to alter gene function with spatial and temporal precision. Synthetic reagents can be valuable tools in this discovery process, especially in model organisms currently intractable to targeted genomic changes. In particular, morpholino-based antisense oligonucleotides (MOs) have been widely used to inhibit gene expression in metazoans that develop ex utero (Figure 1a),[1–4] and caged versions of these reagents (cMOs) can enable conditional gene silencing through targeted illumination.[5–9] Composed of morpholino-based nucleosides and a phosphorodiamidate backbone, these nuclease-resistant probes are typically injected into zygotes as 25-base oligomers, after which they hybridize to complementary RNAs and disrupt splicing or translation. While cMOs can provide important new insights into embryonic gene function, their utility has been hindered by their empirical design, synthetic complexity, in vivo instability, reliance on complementary inhibitors, and/or use of multiple
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影响因子:
2.7
作者:
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通讯作者:
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DOI:
10.1073/pnas.85.19.7231
发表时间:
1988-10-01
影响因子:
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作者:
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通讯作者:
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通讯作者:
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