2023-11-20 16:46:59动物植物
基因发现预示着高铁蔬菜和谷物

A genetic breakthrough has opened new opportunities for iron-fortified vegetables and cereal crops to help address the global health issue of anemia.

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2023-11-20 16:46:59动物植物
感染需要新的C.diff结构,提供新的治疗靶点

Iron storage "spheres" inside the bacterium C. diff -- the leading cause of hospital-acquired infections -- could offer new targets for antibacterial drugs to combat the pathogen.

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2023-11-20 16:46:58动物植物
碰撞核糖体激活RNA修复

Aldehydes are toxic compounds that are produced in the body by metabolic processes, especially upon alcohol consumption. They are dangerous because they bind to cellular macromolecules such as DNA, RNA, and proteins, and crosslink them.

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2023-11-20 16:46:58动物植物
意外发现为人类和植物健康开启了生物工程机遇

An unexpected genetic discovery in wheat has led to opportunities for metabolic engineering of versatile compounds with potential to improve its nutritional qualities and resilience to disease.

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2023-11-20 16:46:57动物植物
水生鳄鱼的多种进化轨迹

In the geological past, several groups of crocodiles evolved towards a morphology adapted to marine life. However, the extent of these adaptations and their evolutionary trajectories remained unknown. An exhaustive study of their morphology by a scientifi

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2023-11-20 16:46:57动物植物
清除红树林会使“泥化”变得更糟

Clearing mangroves to stop estuaries getting clogged with mud actually makes the problem worse, new research shows.

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2023-11-20 16:46:57动物植物
湿地感染禽流感的监测及其发现

Recently, morning omelets and holiday dinners have gotten more expensive. One likely cause is bird flu, outbreaks of which led to the deaths of millions of chickens and turkeys from infection or culling in 2022, according to the U.S. Department of Agricul

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2023-11-20 16:46:56动物植物
微生物可以帮助减少对化肥的需求

Production of chemical fertilizers accounts for about 1.5 percent of the world's greenhouse gas emissions. MIT chemists hope to help reduce that carbon footprint by replacing some chemical fertilizer with a more sustainable source -- bacteria.

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2023-11-20 16:46:56动物植物
研究人员发现了促进收容所狗收养的方法

After a long day at work, you open the door to the place you call home. A chorus of furry happiness rushes toward you, the sound of unconditional canine love. With your return, your dog's world is whole.

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2023-11-20 16:46:55动物植物
大麻大麻素可能是为了阻止害虫而进化的

Cannabinoids, naturally occurring compounds found in hemp plants, may have evolved to deter pests from chewing on them, according to Cornell University research that showed higher cannabinoid concentrations in hemp leaves led to proportionately less damag

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2023-11-20 16:46:55动物植物
细菌如何识别病毒入侵并激活免疫防御

There's no organism on earth that lives free of threat -- including bacteria. Predatory viruses known as phages are among their most dire foes, infiltrating their cells to replicate and take over. Bacteria have evolved an array of strategies to counter t

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2023-11-20 16:46:55动物植物
肥胖者白天消耗的能量较少

Weight influences how and when bodies burn energy, new research indicates.

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