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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2025-04-20 07:20:03动物植物
马来西亚发现新的濒危“仙女灯笼”植物物种

Researchers have discovered a new species of the elusive 'fairy lantern' genus Thismia in a hill dipterocarp forest in eastern Peninsular Malaysia

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2025-04-20 07:06:55动物植物
生物分子揭示湖泊浮游植物群落组成

Clean and safe lake water is an important part of the Finnish identity. In recent decades, interest in the condition of lake waters has increased. Land use and climate change are creating new challenges for maintaining water quality. Harmful cyanobacteria

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2025-04-20 06:52:14动物植物
地球上生命的新模拟揭示了未被发现物种的隐藏多样性

In a study published in Systematic Biology, researchers from Imperial College London, UCL, Dalhousie University and the United Nations Environment Program World Conservation Monitoring Center described how their new simulation methods improve understandin

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2025-04-20 06:37:30动物植物
机器学习模型使用宿主特征和病毒遗传学来预测潜在的宿主

A new artificial intelligence tool could aid in limiting or even prevent pandemics by identifying animal species that may harbor and spread viruses capable of infecting humans.

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