Determination of gene expression patterns using high-throughput RNA in situ hybridization to whole-mount Drosophila embryos.
Determination of gene expression patterns using high-throughput RNA in situ hybridization to whole-mount Drosophila embryos.
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DOI:
10.1038/nprot.2009.55
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发表时间:
2009
期刊:
影响因子:
14.8
通讯作者:
Celniker, Susan E.
中科院分区:
文献类型:
--
作者:
Weiszmann, Richard;Hammonds, Ann S.;Celniker, Susan E.
We describe a high-throughput protocol for RNA in situ hybridization (ISH) to Drosophila embryos in 96-well format. cDNA or genomic DNA templates are amplified by PCR and then digoxigenin-labeled ribonucleotides are incorporated into anti-sense RNA probes by in vitro transcription. The quality of each probe is evaluated prior to in situ hybridization using a RNA Probe Quantification (dot blot) assay. RNA probes are hybridized to fixed, mixed-staged Drosophila embryos in 96-well plates. The resulting stained embryos can be examined and photographed immediately or stored at 4°C for later analysis. Starting with fixed, staged embryos, the protocol takes 6 days from probe template production through hybridization. Preparation of fixed embryos requires a minimum of two weeks to collect embryos representing all stages. The method has been used to determine the expression patterns of over 6000 genes throughout embryogenesis.
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