2023-11-20 16:47:30动物植物
鉴定一种提高水稻产量的硅转运蛋白

Silicon (Si) is abundant in terrestrial environments and accounts for 0.1% to 10% of a plant's dry weight. Certain plant species show high levels of Si accumulation, and research has identified high Si accumulation as a protective mechanism against abiot

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2023-11-20 16:47:30动物植物
设备“闻”海水以发现、检测新分子

Under the ocean's surface, marine organisms are constantly releasing invisible molecules. Some of the chemical clues reveal which creatures are nearby, while others could be used someday as medications. Now, researchers in ACS Central Science re

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2023-11-20 16:47:29动物植物
对磷的不同看法:细菌在这个过程中使用有机磷并释放甲烷

Off Barbados, researchers from Bremen have investigated how bacteria inadvertently release methane in order to obtain phosphorus -- with significant effects on atmospheric greenhouse gases.

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2023-11-20 16:47:29动物植物
亚洲疟疾蚊子如何在非洲传播抗药性疟疾的第一个证据

Malaria is caused by a parasite which is spread by the bite of blood-sucking mosquitoes. According to the WHO, there were an estimated 247 million cases of malaria worldwide in 2021 with over 600,000 deaths, mostly in Africa.  Children under 5 accoun

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2023-11-20 16:47:28动物植物
头虱的进化反映了人类在美洲的迁徙和殖民

A new analysis of lice genetic diversity suggests that lice came to the Americas twice -- once during the first wave of human migration across the Bering Strait, and again during European colonization. Marina Ascunce, currently at the USDA-ARS, and collea

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2023-11-20 16:47:28动物植物
五分之一的欧洲红色名录动植物物种可能面临灭绝风险

A new analysis of 14,669 threatened species of plants and animals found in Europe reveals that about one fifth face the risk of extinction, and that agricultural land-use change poses a significant threat to these species. Axel Hochkirch of the Musé

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2023-11-20 16:47:28动物植物
“外星”黄蜂在热带森林中茁壮成长

Researchers say they have discovered high diversity of Darwin wasps in a tropical rainforest in Brazil, wasps which were previously thought to thrive more in cooler habitats.

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2023-11-20 16:47:27动物植物
温度升高引发病毒感染

Researchers at Lund University, together with colleagues at the NIST Synchrotron Facility in the USA, have mapped on an atomic level what happens in a virus particle when the temperature is raised. "When the temperature rises, the virus's genetic materi

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2023-11-20 16:47:26动物植物
人造膀胱对导致尿路感染的细菌有帮助

The research, published today in Science Advances, is the first to use a sophisticated human tissue model to explore the interaction between host and pathogen for six common species that cause urinary tract infections. The findings suggest that t

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2023-11-20 16:47:26动物植物
新的交互式循证绘图工具使决策者对高浓度大麻产品有了更多的了解

After conducting the first scoping review of its kind, researchers at the University of Colorado Anschutz Medical Campus have developed an evidence based interactive mapping tool to assist policymakers as they consider regulating the concentration of THC

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2023-11-20 16:47:25动物植物
藤壶弯曲形状以抵御移动中的温水海螺

Some barnacles are 'morphing' to protect themselves from predatory warm-water sea snails, which are expanding into their territory due to climate change.

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2023-11-20 16:47:25动物植物
禅宗与线粒体维持艺术:死亡的机器让生活更健康

While we all aspire for a long lifespan, what is most coveted is a long period of vigor and health, or "healthspan," that precedes the inevitable decline of advancing age. Researchers at UC Santa Barbara have discovered that instruments of death that ce

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