2025-04-20 09:52:41动物植物
细胞分裂的启动信号:分子开关确保细胞在正确的时间分裂

About 100 cells divide every second in our body. A key protein in cell division is a protein kinase termed Plk1, because it activates other proteins involved in this process. Plk1 is also overexpressed in many types of cancer. This makes it a promising ta

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2025-04-20 09:38:57动物植物
基于人工智能的方法使组织中成像的蛋白质数量呈指数级增长

AI systems already work their magic in many areas of biomedical science, helping to solve protein structure, discover hidden patterns in the genome and process massive amounts of biological data. Now, an AI-assisted technology developed at the Weizmann In

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2025-04-20 09:25:43动物植物
新生的疣桦毛虫保卫着世界上最小的领土

Some creatures defend territories extending over several kilometers, but when Jayne Yack (Carleton University, Canada) encountered miniature newborn warty birch caterpillars (Falcaria bilineata), she wondered if she might have discovered one of the world

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2025-04-20 09:10:49动物植物
自给自足的食物和燃料:五种浮萍的基因组序列揭示了独特植物特征的基础

Under the right conditions, duckweed essentially farms itself. Wastewater, ponds, puddles, swamps—you name it. If there's enough sunlight and carbon dioxide, the aquatic plant can grow freely. But that's not all that makes it intriguing. Packed inside d

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2025-04-20 08:56:12动物植物
神秘的猎鹰数量下降:美国红隼幼鱼在种群下降中茁壮成长

North America's smallest falcon, the American Kestrel (Falco sparverius), has declined across the continent since the 1970s, yet the causes continue to stump raptor biologists. A new study published in the Journal of Raptor Research adds a piece to the p

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2025-04-20 08:43:29动物植物
新型药物抑制金黄色葡萄球菌毒素——给肺炎患者带来希望

An international research group led by the Helmholtz Center for Infection Research (HZI) has discovered a promising new drug candidate against severe lung infections caused by the hospital germ Staphylococcus aureus. The study, which has just been publish

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2025-04-20 08:32:23动物植物
果蝇携带的隐性病毒可能影响实验准确性

Researchers have revealed that the presence of Nora virus in fruit flies can increase their sensitivity to bacterial infection and could limit their lifespan.

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2025-04-20 08:20:32动物植物
活细胞标记揭示了我们的DNA在细胞中的包装和行为方式

A team led by Professor Kazuhiro Maeshima of the National Institute of Genetics (ROIS) and SOKENDAI in Japan has developed a method to visualize different types of chromatin and reveal their distinct physical properties. They published their approach and

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2025-04-20 08:10:26动物植物
研究表明,在恐龙杀死小行星之前,哺乳动物正在从树上生活适应地面生活

More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, new research led by the University of Bristol has revealed.

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2025-04-20 07:59:21动物植物
在农业中使用抗真菌药物可能会增加传染性酵母的抵抗力

Genomic changes in the infectious yeast Candida tropicalis may play a role in its resistance to antifungals, according to a study published in PLOS Biology. The work, led by Guanghua Huang at Fudan University, China, and colleagues, shows that these genom

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2025-04-20 07:46:08动物植物
一个经过验证的模型可以预测手工新鲜奶酪中李斯特菌的生长

Listeriosis is one of the main zoonotic food-borne diseases, and although the number of cases is relatively low, its high mortality makes it a major public health problem. For the bacterium to cause disease, it is not enough for the food to be contaminate

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2025-04-20 07:32:23动物植物
放弃光合作用:借来的细菌基因如何让一些海洋硅藻以海藻为食

A group of diatom species belonging to the Nitzschia genus gave up on photosynthesis and now get their carbon straight from their environment, thanks to a bacterial gene picked up by an ancestor. Gregory Jedd of Temasek Life Sciences Laboratory, Singapore

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