搜索结果: 1-15 共查到“国际动态 分子生物学 DNA”相关记录15条 . 查询时间(0.276 秒)
DNA shows poorly understood empire was multiethnic with strong female leadership（图）
DNA 基因工程 生物分子 考古
2023/6/19
Most of what is known about the Xiongnu people comes from their enemies.
英国格拉斯哥大学使用冷冻电镜揭示DNA修复过程的关键
英国格拉斯哥大学 冷冻电镜 DNA修复 泛素分子
2021/4/20
由格拉斯哥大学牵头，研究人员基于苏格兰大分子成像中心（SCMI）收集的数据和模型，使用冷冻电镜（CryoEM）进行研究揭示了DNA修复过程的关键见解，研究发表在《自然结构生物学》上。这项研究着眼于一种有毒的DNA损伤类型，称为链间交联，通常通过单分子泛素（人类和动植物中普遍存在的一种蛋白质）与每个受影响的DNA链连接而引发修复。为了完成DNA修复，泛素分子必须从受损位点成功去除，这一过程称为去泛素...
环状DNA测序工具面世——有望促进农业和癌症等领域研究
环状DNA 测序工具 农业 癌症
2020/5/19
据物理学家组织网2020年5月14日报道，加拿大阿尔伯塔大学生物学家发明了一种新工具，可对环状DNA进行测序，这将为科学家提供更丰富、更准确的数据，有望促进针对病毒、农业甚至癌症的研究。这一工具名为“CIDER-Seq”，它使用了被称为“PacBio”的DNA测序技术，研究人员目前已将其发表在网络上，供其他科学家分析DNA序列。
Finding supports model on cause of DNA's right-handed double helix（图）
The double helix structure Cosmic ray electrons Bolt Nut Screw Nano Molecular physics DNA
2014/10/9
The DNA of every organism on Earth is a right-handed double helix, but why that would be has puzzled scientists since not long after Francis Crick and James Watson announced the discovery of DNA's dou...
Scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have found a new way to use a synthetic form of DNA to control the assembly of nanoparticles — this time resulting in switc...
KU will be key donor of DNA samples to ambitious 'genomic zoo' project
DNA samples ambitious 'genomic zoo' project
2009/12/21
For more than two decades, Ed Wiley has overseen collection and cataloging of fish specimens from all over the world in his role as curator-in-charge of the Division of Ichthyology at the University o...
The recent winners of this year's Nobel Prize for Chemistry join a famous lineage of scientists who have shed light on the biomolecular world by using X-ray crystallography. However, new research publ...
Nanopores sequence DNA
Nanopores DNA single molecule
2009/10/21
Researchers at the Delft University of Technology have developed a new technique that can measure both the charge and diameter of a single molecule for the first time. The method, which employs solid-...
A new method for folding DNA into a range of useful shapes and for positioning these "origami" pieces onto industrial materials has been developed by researchers at IBM and the California Institute of...
A microscopic single-celled organism, adapted to survive in some of the harshest environments on earth, could help scientists gain a better understanding of how cancer cells behave.Experts at The Univ...
DNA sorts carbon nanotubes（图)
DNA carbon nanotubes
2009/7/15
Carbon nanotubes are relatively easy to grow, but sorting these tiny tubes according to their electronic properties is a time consuming and costly task. Now, however, researchers in the US have invent...
DNA分离机制研究获年轻生命科学家最高奖
Ethan Clark Garner DNA分离机制 生命科学家 最高奖
2008/12/8
北美的一位年轻科学家Ethan Clark Garner因为有关细菌肌动蛋白样蛋白及细胞骨架DNA分离、组装和调节的研究，被提名为GE &《科学》年轻生命科学家奖的大奖获得者。这一包括2万5千美元的奖项是由GE Healthcare公司和《科学》杂志共同资助的。
《自然—结构与分子生物学》：科学家揭示DNA解旋机理
DNA解旋机理 分子生物学
2008/11/26
美国斯克利普斯研究院（TSRI）的研究人员近日揭示了大分子机器如何解开细胞核内长而纠结的DNA链。这种DNA解旋极为重要，它能指导合成具有许多特定功能的蛋白。相关研究论文在线发表于2008年11月23日的《自然—结构与分子生物学》（Nature Structural & Molecular Biology）上。
May 10, 2007，Imagine being able to rapidly identify tiny biological molecules such as DNA and toxins using less than a drop of salt water in a system that can fit on a microchip. It’s closer than you ...
“DNA之父”做客中国科学院北京基因组研究所
中国科学院北京基因组研究所 DNA双螺旋结构 分子生物学
2006/10/24
2006年10月18日，对于中国科学院北京基因组研究所的科研人员来说，是个难忘的日子，DNA双螺旋结构发现者之一、享有“DNA之父”盛誉的诺贝尔奖获得者詹姆斯·沃森教授来到这里做客。