搜索结果: 1-15 共查到“国际动态 酶学”相关记录33条 . 查询时间(1.687 秒)
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研究揭示新型A类碳青霉烯酶全球分布特征(图)
A类碳青霉烯酶 全球分布特征 RATA
2024/5/24
近日,国家农业(水禽)产业技术体系岗位专家、四川农业大学教授程安春团队与西南大学合作,在国际学术期刊Science of the Total Environment上发表论文。该研究首次报道了一种新型的A类碳青霉烯酶RATA,并揭示了其在全球范围内的分布特征及其全球传播潜力。
睡眠不足或通过在机体肠道中积累活性氧而导致死亡
睡眠不足 机体肠道 活性氧
2020/7/8
近日,来自哈佛医学院的研究人员发现,睡眠不足或会通过在机体肠道中积累活性氧的方式而导致机体死亡。相关工作发表在国际杂志Cell上,标题为“Sleep Loss Can Cause Death through Accumulation of Reactive Oxygen Species in the Gut”。研究人员通过研究果蝇和小鼠后发现,睡眠剥夺或缺失会导致机体肠道中活性氧(ROS, rea...
研究人员发现新型抗胰蛋白酶抗体治疗肥大细胞介导的严重哮喘
抗胰蛋白酶 抗体治疗 肥大细胞介导 严重哮喘
2019/10/29
2019年10月3日,来自美国基因泰克公司(Genentech, Inc.)Tangsheng Yi、Robert A. Lazarus和Joseph R. Arron团队在Cell杂志上发表了题为An Allosteric Anti-tryptase Antibody for the Treatment of Mast Cell-Mediated Severe Asthma的长文。研究人员发现在...
2018年12月10日,美国斯坦福大学和德克萨斯大学等科研人员在Nature上发表了题为“SETD3 is an actin histidine methyltransferase that prevents primary dystocia”的文章,通过小鼠实验发现了首个哺乳动物蛋白质组氨酸甲基转移酶SETD3及其对平滑肌收缩的关键调节作用。
可逆的人工金属酶组装——人工金属酶的回收利用
人工金属酶 组装 回收利用
2018/11/1
人工金属酶的发展是一个迅速扩大的领域,其设计策略为从天然金属酶的改性到完全从头设计。其中,将合成催化剂附着在蛋白质支架上的锚定策略已引起广泛关注,因为它能够在生物相容和选择性蛋白质环境中发挥有机金属催化剂的活性。为使模块化设计的人工酶发挥最大应用潜力,需要强而可逆的锚定过程,该锚定过程能够控制组件的组装和拆卸。控制可逆性将允许蛋白质支架和人工金属辅因子的回收。为此,人们投入大量时间和精力研究利用生...
Artificial Enzyme:Protein Designed Entirely From Scratch Functions In Cells As A Life-Sustaining Catalyst(图)
Artificial Enzyme Protein Designed Entirely Scratch Functions In Cells Life-Sustaining Catalyst
2018/2/1
A dawning field of research, artificial biology, is working toward creating a genuinely new organism. At Princeton, chemistryprofessor Michael Hecht and the researchers in his lab are d...
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科学家首次证实对眼泪中溶菌酶施压 可达到发电效果(图)
溶菌酶 压电效应 检测压电效应
2022/3/25
据外媒报道,科学界早年发现对蛋白质施加压力便可发电,直至近日爱尔兰利默克里大学的研究团队,首次证实对人类眼泪中的溶菌酶施压,也可达到发电效果。
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Chemists Get Step Closer to Replicating Nature with Assembly of New 3D Structures(图)
chemists step closer replicating nature new 3d structures
2017/9/5
A team of New York University chemists has created a series of three-dimensional structures that take a step closer to resembling those found in nature. The work offers insights into how enzymes are p...
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Keeping the human brain in a healthy state requires a delicate balance between the generation of new cellular material and the destruction of old. Specialized structures known as lysosomes, found in n...
Cutting the Cost of Ethanol,Other Biofuels and Gasoline
Cutting the Cost of Ethanol Biofuels Gasoline
2017/7/24
Biofuels like the ethanol in U.S. gasoline could get cheaper thanks to experts at Rutgers University-New Brunswick and Michigan State University.They’ve demonstrated how to design and g...
Pac-Man-like CRISPR enzymes have potential for disease diagnostics
Pac-Man-like CRISPR enzymes disease diagnostics
2017/7/20
University of California, Berkeley, researchers have described 10 new CRISPR enzymes that, once activated, behave like Pac-Man to chew up RNA in a way that could be used as sensitive detectors of infe...
日本科学家发现防细胞老化酶
日本 科学家 防细胞老化酶
2017/4/26
日本熊本大学的研究人员发现能防止细胞老化的酶——SETD8。在他们采用人类纤维芽细胞进行的实验中,通过改变遗传基因,使得这种酶的分泌停止,于是细胞迅速老化;利用药物对这种酶的作用进行抑制后,细胞也会加速老化。这一发现有望通过药物控制加大或抑制该种酶的作用,使正常细胞减缓衰老,或者使癌细胞加快老化、停止增殖。
Old enzyme,new role
Old enzyme new role
2017/2/16
A team of researchers at the University of Delaware has discovered a new function for an enzyme that has long been known to have a central role in bacterial metabolism.Maciek Antoniewicz, Centennial J...
Study refutes how fruit flies developed alcohol tolerance
Study refutes fruit flies alcohol tolerance
2017/2/16
More than two decades ago, in one of the first papers using gene sequences to find signatures of natural selection, scientists hypothesized that a molecular change in an enzyme gave the Drosophila mel...