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Fluorescent in situ hybridization to ascidian chromosomes

机译:荧光原位杂交至海鞘染色体

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摘要

The draft genome of the ascidian Ciona intestinalis has been sequenced. Mapping of the genome sequence to the Ciona 14 haploid chromosomes is essential for future studies of the genome-wide control of gene expression in this basal chordate. Here we describe an efficient protocol for fluorescent in situ hybridization for mapping genes to the Ciona chromosomes. We demonstrate how the locations of two BAC clones can be mapped relative to each other. We also show that this method is efficient for coupling two so-far independent scaffolds into one longer scaffold when two BAC clones represent sequences located at either end of the two scaffolds.
机译:已对海鞘Ciona intestinalis的基因组草图进行了测序。将基因组序列映射到Ciona 14单倍体染色体对于将来研究该基体碳酸盐中基因表达的全基因组控制至关重要。在这里,我们描述了一种有效的荧光原位杂交方案,用于将基因定位到Ciona染色体。我们演示了如何可以相对于彼此映射两个BAC克隆的位置。我们还表明,当两个BAC克隆代表位于两个支架任一末端的序列时,该方法可有效地将两个迄今为止非常独立的支架偶联到一个更长的支架中。

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