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MANILA, Sept. 15 (Xinhua) -- Both Canada and Bulgaria notched up second consecutive victories to reach the knockout stage at the FIVB Volleyball Men's World Championship on Monday. With 40 kills in at ...
The Champions League group stage is in full swing, with Portuguese giants Benfica hosting Azerbaijani league stronghold Qarabağ at Estádio da Luz. This match is not only a confrontation of different l ...
Citing the financial dominance of the English Premier League and Spain's La Liga, the 73-year-old World Cup winner described the challenge as a "David versus Goliath" situation, likening the new ...
来自美国的研究人员通过长期监测佛蒙特州手工奶酪洞穴中的青霉菌群体,揭示了其通过alb1基因突变导致色素缺失的进化机制。研究发现白色菌株在黑暗环境中具有竞争优势,这为理解真菌在发酵食品环境中的适应性进化及人工驯化提供了新视角。
文章中,研究人员通过构建CMG2基因敲除(knockout)小鼠模型模拟了HFS患者的肠道环境,结果发现,CMG2在肠道损伤后的再生过程中发挥着至关重要的作用,在正常情况下,CMG2基因敲除小鼠的肠道形态和功能与正常小鼠无异;然而,当研究人员通过化学诱导剂引发结肠炎后,CMG2基因敲除小鼠的肠道则无法正常再生,从而就会导致肠道干细胞池无法得到补充,这一发现不仅解释了HFS患者中严重的肠道症状,还为 ...
这项发表在《科学》上的研究,如同一声警钟,彻底改变了我们对空气污染健康危害的传统认知。过去,我们认为PM2.5主要威胁我们的心肺功能;而现在,这项研究以坚实的证据告诉我们,它同样是我们大脑的“隐形杀手”,一个能够通过分子炼金术,直接参与并推动一种主要 ...