DNA methylation is an important regulation of gene express in eukaryotic cells, and is one of the most common modifications of the transcription level.

DNA甲基化是基因表达的重要调控方式，是真核细胞中最常见的转录水平的修饰方式之一。

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There is great meaning to explore the mechanism of early embryo development by investigate the apoptosis gene express change during preimplantation embryo development.

对早期胚胎发育过程中凋亡基因表达变化的研究对于揭示早期胚胎发育机制有重要的意义。

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Clone and express bradyzoite antigen 1(BAG1) gene of T. gondii, and analyze the immunoreactivity of the recombinant product.

克隆与表达弓形虫缓殖子期特异性抗原1（BAG1）的基因，并分析重组抗原的免疫反应性。

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Now in this case the host - you want the host not only to replicate all the DNA, you want it also to express the gene.

而这种情况下宿主--,你不只希望宿主复制基因,同时也想使之表达基因

耶鲁公开课 - 生物医学工程探索课程节选

So it's going to express this gene, but you've put a foreign gene in the place of the natural gene, and so the foreign gene gets expressed instead.

所以它就会表达这段基因,但是你已经用一段,异源基因替代了原有基因,因此这段外来基因就被表达了

耶鲁公开课 - 生物医学工程探索课程节选

The second issue is that the gene vector, in this case the plasmid, has to be compatible with the cells that you're trying to express the gene in.

接下来的问题是如何选择合适的基因载体,在这里用到的,质粒,必须与要用来表达基因的,受体细胞匹配

耶鲁公开课 - 生物医学工程探索课程节选

And while genes design proteins to build specific cells, the other 98% of DNA influences how each gene will express itself as a certain kind of organism with certain attributes.

FORBES: Bringing the Human Genome Into the Doctor's Office

RNA's job is to carry messages from genes to the cell's shopfloor, where the proteins they express are manufactured, the transcriptome can be used to define the range of proteins that a gene can produce.

ECONOMIST: MONITOR