对胞壁质酶R2基因进行了限制酶切图谱分析。

The restriction map of R2 gene was construed for further use.

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细菌有一种对病毒的防御机制：一种叫做限制性内切酶的化学物质可以切断外源dna。

Bacteria have defences against viruses in the form of chemicals called restriction enzymes, which chop up foreign DNA.

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结果显示不论DNA甲基化与否，所有使用受体细胞限制性内切酶的基因组移植都获得成功。

When genome transplantations were performed using the restriction enzyme minus recipient cells, all the genome transplantations worked regardless of if the DNA was methylated or not.

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Or you could ask the question, I have this restriction enzyme, at what regions on this plasmid will it cut?

你也可以这样问,我的这种限制性内切酶,会从质粒的哪个区域切开呢

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Cutting involves enzymes called restriction endonucleases or restriction enzymes, which I've already mentioned and they have names.

切割用到的酶叫限制性核酸内切酶,或限制性内切酶,我已经提到过了,而且它们都有名字

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In this case, this particular restriction enzyme cuts symmetrically like this, but not at the same point.

在我们这种情况下,这个限制性内切酶总是这样对称地切割,但两条链切割的位点不一样

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