| BDS4A-203J-0028\1502A34P |
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| 最少起訂量：1件 | 發(fā)貨地：泉州 | |
| 上架時(shí)間：2017-07-28 16:27:16 | 瀏覽量：54 | |
深圳長(zhǎng)欣自動(dòng)化設(shè)備有限公司（泉州辦）
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（DCS系統(tǒng)）和（機(jī)器人系統(tǒng)）及（大型伺服控制系統(tǒng)）備件大賣！叫賣！特賣！賣賣賣！ In this Tuesday, April 25, 2017 photo, assistant research technician Henri Berger, talks about live yeast cultures at a New York University lab in the Alexandria Center for Life Sciences in New York, where researchers are attempting to create completely man-made, custom-built DNA. [Photo: AP] The process to redesign yeast DNA involves using a computer program to edit its natural sequence. The new edited sequence is then used as a blueprint to build artificial DNA that is inserted into yeast cells for monitoring. The deleted sequence can be used later on to deliver a different instruction to the cell than it did before. Leslie Mitchell, a Post-Doctoral Fellow with the Boeke Lab explains: "Rather than starting with what exists in nature and making changes to see what happens, we can do this bottom up approach where we design whole systems from scratch and see if they work as we predict." Biologist June Medford is doing similar research with plant DNA and is watching the yeast project closely. She is genetically engineering plant DNA to be able to detect pollution and explosives. She says one day, bomb sniffing dogs could be replaced by bomb sniffing plants. "We've basically encoded a computerized detection technology in the plant. So now if you want to detect something like a bomb in an airport we can make a plant do that. And our sensitivity is about down to that of a dog. So, it's very, very sensitive." Medford said. While many scientists believe that the success of this project is a step forward to new possibilities, many moral and ethical dilemmas are also concerned as of reconstructing DNA world. |
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