搜索结果: 61-75 共查到“国际动态 生物工程”相关记录1273条 . 查询时间(3.527 秒)
About 70 percent of all human proteins include at least one sequence consisting of a single amino acid repeated many times, with a few other amino acids sprinkled in. These “low-complexity regions” ar...
Within a given tissue or organ, cells may appear very similar or even identical. But at the molecular level, these cells can have small differences that lead to wide variations in their functions.
近日，东南大学生命科学与技术学院林承棋教授和罗卓娟教授团队在国际著名期刊《Nature Communications》发表了题为“ZFP281-BRCA2 prevents R-loop accumulation during DNA replication”的研究论文，报导了ZFP281与BRCA2互作阻碍R-loop异常积累，维持胚胎干细胞DNA复制的正常进程。
Cells in complex organisms undergo frequent changes, and researchers have struggled to monitor these changes and create a comprehensive profile for living cells and tissues. Historically researchers h...
A newly identified stem cell regulator enables lifelong sperm production（图）
干细胞调节器 干细胞更新因子 细胞工程
2023/7/10
Unlike women, who are born with all the eggs they’ll ever have, men can continue to produce sperm throughout their adult lives. To do so, they require a constant renewal of spermatogonial stem cells, ...
研究人员研发出世界上最小的生物力学连接装置
微小氨基酸链 生物力学 缩氨酸 基因工程
2022/6/16
普林斯顿大学的研究人员制造出世界上最小的机械互锁生物结构，一个由称为肽的微小氨基酸链组成的双环链。该研究结果发表于《自然·化学》（Nature Chemistry）上。
The Human Genome Project was an ambitious initiative to sequence every piece of human DNA. The project drew together collaborators from research institutions around the world, including MIT's Whitehea...
In a first-of-its-kind clinical trial, a human has received a 3D-bioprinted ear implant grown from the patient’s own living cells – thanks to a technology platform developed by a Cornellian-founded st...
Last year, researchers at MIT’s McGovern Institute for Brain Research discovered and characterized Cas7-11, the first CRISPR enzyme capable of making precise, guided cuts to strands of RNA without har...
CRISPR-Cas基因组编辑技术在基因治疗、农作物经济性状改良以及基础研究等领域都有多样化的应用，引领生物技术与应用的快速发展。自然界中广泛存在的天然CRISPR-Cas系统为新型基因编辑工具研发提供了丰富资源。然而，自然界微生物中发现的大多数Cas工具蛋白在哺乳动物细胞中的编辑效率很低，这大大限制了它们的应用，尤其是在生物医学方面的应用。
科学家研发出新型塑料降解酶
塑料垃圾 酶降解技术 聚对苯二甲酸乙二酯
2022/6/15
塑料垃圾为生态环境带来了严峻挑战，酶降解技术是实现塑料垃圾回收利用的一条潜在绿色途径。近期，美国科学家结合机器学习，成功研发出一种新型塑料降解酶，且该酶可用于塑料的闭环回收。研究成果发表在《Nature》期刊，标题为“Machine learning-aided engineering of hydrolases for PET depolymerization”。
One of the hallmarks of Alzheimer’s disease is the presence of neurofibrillary tangles in the brain. These tangles, made of tau proteins, impair neurons’ ability to function normally and can cause the...
以作物矮化育种为标志的“绿色革命”使世界作物产量大幅度提高。但矮秆品种一般存在氮肥利用效率降低的缺点，其产量对化肥投入的依赖性很高。过高的氮肥投入不仅增加种植成本，还会造成环境污染。如何突破作物高产和氮高效协同改良的育种瓶颈，实现在减少氮肥投入的前提下提高作物产量，已成为当前农业可持续发展亟待解决的重大问题。
合肥工业大学食品与生物工程学院在细胞穿梭的合成泛素探针研究领域取得新进展（图）
合肥工业大学食品与生物工程学院 细胞穿梭 合成泛素探针 Angewandte Chemie International Edition 蛋白质
2023/1/8
近日，合肥工业大学食品与生物工程学院李宜明教授课题组在细胞穿梭、时间分辨的合成泛素探针工具研究领域取得新进展。相关研究成果“Photocaging of Activity-based Ubiquitin Probes via a C-Terminal Backbone Modification Strategy”在国际知名化学期刊《Angewandte Chemie International E...
