科技资讯:未来的数据存储介质DNA:亚博买球

本文摘要:inthelatestefforttocontendwithexplodingquantitiesofdigitaldata, researchersencodedanentirebookintothegeneticmoleculesofdna the basic building block of life,andthenaccuratelyreadbackthetext .研究者认为这是人类为了应对急速增长的电子数据而采取的最近的行动。

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inthelatestefforttocontendwithexplodingquantitiesofdigitaldata, researchersencodedanentirebookintothegeneticmoleculesofdna the basic building block of life,andthenaccuratelyreadbackthetext .研究者认为这是人类为了应对急速增长的电子数据而采取的最近的行动。The experiment,reportedthursdayinthejournalscience, maypointawaytowardeventualdata-storagedeviceswithvastlymorecapacityfortheirsizethantodayscomputerchipsanddrives.0103011这个实验adevicethesizeofyourthumbcouldstoreasmuchinformationasthewholeinternet, saidharvarduniversitymoleculargeneticistgeorgechurces the projects senior researcher .项目高级研究员,哈佛大学(Harvard University )分子In their work,thegrouptranslatedtheenglishtextofacomingbookongenomicengineeringintoactualdna .这个团队将发行的关于基因工程的英语书准确地翻译成dna dnacontainsgeneticinstructionswritteninasimplebutpowerfulcodemadeupoffourchemicalscalledbases 3360 adenine (a ), guanine (g cytosine (c ) and thymine (t ).DNA包含腺嘌呤(a )、鸟嘌呤(g )、胞嘧啶(c )、胸腺嘧啶(t )用非常简单有力的代码编写的遗传命令。theharvardresearchersstartedwithedigitalversionofthebook,whichiscomposedoftheonesandzerosthatcomputersread.next。

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theytranslatedthezerosintoeithertheaorcofthednabasepairs,andchangedtheonesintoeitherthegort .哈佛大学的研究者应该首先指这本书的电子版接着,他们把电子版放回纸上,把0翻译成DNA碱基对的a或c,把1称为g或t。Then,using now-standardlaboratorytechniques, theycreatedshortstrandsofactualdnatheldthecodedsequence-almost 55 000 strand sinall.eachstrandcontainedaportionofthetextandand toccurredintheflowofthebook .然后他们每个短链都包含这本书正文的一部分内容和指示在这本书中的位置的地址。inthatform-aviscousliquidorsolidsalt-abillioncopiesofthebookcouldfiteasilyintoatesttubeand,under normal conditions。

last for centuries,the researchers said .这些研究者说,这本书即使有10亿份复印件,也可以以这样的形式(粘性液体或液体盐)放入试管,可以长时间保存几百年。thetechniquelikelyisalongwayfrombeingcommerciallyviable.butithighlightsthepotentialofdnaaasastable是long-termarchiveforording such as photographs,books,financial records,medical files and videos, allofwhichtodayarestoredascomputercode .这项技术离商业化的应用可能还有很长的距离,但DNA有可能顺利且持久地保存照片、书籍、财务记录、医疗资料、视频等一般信息
itshowsthatthevastincreaseincapacitytosynthesizeandsequencednacanbeappliedtostoresignificantamountsofdata, saidpioneeringsyntheticbiologistdrewendyatstanforduniversity是whowasntinvolvedintheproject.ifyouwantedtohaveyourlibraryencode you could probably do that now .斯坦福大学(Stanford University )的独创生物学家安迪(Drew Endy )大幅提高了人类DNA的制造和排序能力,该方法保存了大量的数据院长没有参加这个项目。

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