2024-03-14 08:23:29动物植物
发育中的胚胎细胞如何改变使用增强子调节基因表达的方式

If you look at a nerve cell, a muscle cell, or a skin cell under the microscope, they appear strikingly different. However, every cell in our body has the same DNA and has descended from a common ancestor—the fertilized egg c

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2024-03-14 08:23:25动物植物
新研究发现,雄性蛔虫在择偶时很挑剔

A piece of rotting fruit is likely covered in hundreds if not thousands of microscopic roundworms, including C. elegans—a popular experimental model system for studying neurogenetics. With a lifespan of only a few weeks, C. e

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2024-03-14 08:23:23动物植物
科学家开发深度学习方法设计胆蛋白结合蛋白

David Baker's group at the University of Washington, Seattle, U.S., have developed a novel deep learning method, RoseTTAFold All-Atom (RFAA), for prediction and design of complexes of proteins, small molecules, and nucleic acids. Subsequently, they devel

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2024-03-14 08:23:21动物植物
研究阐明荧光对霓虹色海葵的保护作用

For the first time, a team of researchers at Stanford University and UC San Diego's Scripps Institution of Oceanography has uncovered a direct genetic link between fluorescence and color in sea anemones—those soft and tentac

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2024-03-14 08:23:18动物植物
科学家揭示了日本巨型海葵的新谱系及其与海葵的惊人联系

Anemonefish form mutualistic relationships with the sea anemones they live in and these associations are not random: some species such as the yellow-tail anemonefish (Amphiprion clarkii) are generalists and can live in almost any sea anemone, others like

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2024-03-14 08:23:16动物植物
研究小组开发了一种新技术来释放和研究细胞中的单个蛋白质

A research team led by biochemist Professor Helge Ewers from Freie Universität Berlin has developed a new technique for the light-mediated release and investigation of proteins in live cells. The technique makes use of a laser pulse to control the release

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2024-03-14 08:23:12动物植物
麝香葡萄:揭示荔枝香气的分子秘密

A team of researchers from the Leibniz Institute for Food Systems Biology at the Technical University of Munich has succeeded for the first time in identifying the odorants responsible for the characteristic lychee note of Muscaris grapes.

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2024-03-14 08:23:09动物植物
研究人员发现,铁限制使造血干细胞保持年轻

As we age, our hematopoietic (blood-forming) stem cells (HSCs) become less able to produce new red and white blood cells and other vital blood components—contributing to chronic inflammation and accelerating the onset of bloo

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2024-03-14 08:23:06动物植物
基础细胞机制的新生物学

Cellular communication relies on receptor molecules on the cell surface. The periodic uptake and sorting of these receptors, critical for their degradation or recycling, are governed by an elaborate machinery prominently featuring the Commander complex.

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2024-03-14 08:23:04动物植物
帝王毛毛虫被发现随着年龄的增长,会从避免食用富含乳草毒素的乳胶变成食用乳草

A trio of German entomologists has found that young monarch caterpillars switch from avoiding milkweed-toxin-rich latex to eating it as they get older. Their paper is published in the journal Proceedings of the Royal Society B.

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2024-03-14 08:23:00动物植物
研究人员在一场有60年历史的大火上发现了新的见解

Microbes are vital to maintaining healthy, fertile soil, which, in turn, is vital to the overall health of ecosystems. But what happens to these microbes when humans cause long-term damage to the environment?

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2024-03-14 08:22:57动物植物
新研究为潜在致命的沙蝇设下陷阱

Scientists have discovered the specific enzyme that a species of sandfly uses to produce a pheromone attractant, which could lead to the creation of targeted traps to control them and reduce the spread of the potentially fatal disease, Leishmaniasis.

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