| 2007年03月01日 Nature中英文摘要 | | 点击： 作者：51protocol收集 来源： 时间： 2007-03-13 本站论坛 |
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March 01, 2007
一种昆虫病毒多面体微晶的分子结构已被确定
能够产生传染性多面体结构（包裹数以千计病毒微粒的晶体）的昆虫病毒广泛存在而且相当重要。这种多面体微型晶体非常稳定，能使疾病持久存在，能威胁到蚕茧收成等。现在，这样一种晶体的分子结构已经被确定。这是蛋白质X-射线微晶研究中的一个重大技术成就，因为这些病毒是迄今被用来确定原子结构的最小的蛋白晶体。该研究显示了非常稳定的多面体结构，它们有可能用作生物杀虫剂的输送胶囊，也可用于微阵列等纳米生物技术应用。
Contents
Editorials
Trial and failure p1
Only the most promising AIDS gels should reach large-scale trials.
doi:10.1038/446001a
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Solid foundations p1
In praise of those physicists who are unobtrusively revolutionizing everyday life.
doi:10.1038/446001b
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Not saving the whale p2
Japan's professed interest in whale research rings rather hollow.
doi:10.1038/446002a
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Top of pageResearch Highlights
Research highlights p4
doi:10.1038/446004a
Full Text | PDF (247K)
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Top of pageNews
Death toll in Iraq: survey team takes on its critics p6
Raw data should settle arguments over study methods.
Jim Giles
doi:10.1038/446006a
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Q&A: Ronald Plasterk p7
Introducing the Netherlands' new research minister.
doi:10.1038/446007a
Full Text | PDF (260K)
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Meet the human metabolome p8
Can body fluids succeed where genomics and proteomics have failed?
Helen Pearson
doi:10.1038/446008a
Full Text | PDF (105K)
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Letting the light in on Antarctic ecosystems p9
Ice-shelf collapse offers glimpse of life beneath the South Pole.
Lucy Odling-Smee
doi:10.1038/446009a
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The lab that asked the wrong questions p10
Closure of parapsychology lab throws spotlight on scientific taboos.
Lucy Odling-Smee
doi:10.1038/446010a
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Data sharing: the next generation p10
Social software offers fresh perspectives on results.
Declan Butler
doi:10.1038/446010b
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Sidelines p11
doi:10.1038/446011a
Full Text | PDF (132K)
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Scientists rethink approach to HIV gels p12
Tough decisions follow failure of clinical trial.
Erika Check
doi:10.1038/446012a
Full Text | PDF (143K)
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Trio of studies makes headway in HIV battle p12
Techniques to curb transmission offer hope in fight against AIDS.
Erika Check
doi:10.1038/446012b
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News in brief p13
doi:10.1038/446013a
Full Text | PDF (160K)
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Top of pageBusiness
A merger too far? p15
Bristol-Myers Squibb has been stoking its research productivity. Meredith Wadman investigates whether an acquisition would be the right prescription for the company.
doi:10.1038/446015a
Full Text | PDF (159K)
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Top of pageNews Features
Laser physics: Extreme light p16
Physicists are planning lasers powerful enough to rip apart the fabric of space and time. Ed Gerstner is impressed.
doi:10.1038/446016a
Full Text | PDF (566K)
See also: Editor's summary
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Science of hair: The roots of accomplishment p20
From a New Jersey beauty parlour to cutting-edge genetics by way of her own alopecia, Angela Christiano's life has all been tied up with hair. Helen Pearson meets a woman whose head is full of the stuff that covers it.
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