2024-09-15 21:24:04动物植物
研究人员提出了解释复杂微生物-宿主共生的机制框架

Virtually all multicellular organisms on Earth live in symbiotic associations with very large and complex microbial communities known as microbiomes. New research has just been published aimed at offering a complete understanding how those relationships f

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2024-09-15 21:13:24动物植物
科学家发现细胞分裂过程中保持着丝粒的机制

Scientists have solved a decade-long question about the mechanism that preserves the centromere, the hub that ensures DNA divides correctly during cell division.

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2024-09-15 21:02:23动物植物
保护世界上0.7%的土地可以帮助拯救三分之一的独特和濒危物种

Conservation efforts directed towards just 0.7% of the world's land mass could help protect one third of the world's threatened and unique tetrapod (four-limbed vertebrate) species, new research by Imperial College London, On the Edge, and ZSL has shown

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2024-09-15 20:50:51动物植物
劫持细胞的指挥中心:深海贻贝中的核寄生虫

Most animals live in intimate relationships with bacteria. Some of these bacteria live inside the cells of their hosts, but only very few are able to live inside cell organelles (structures inside the cell, like organs in the body). One group of bacteria

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2024-09-15 20:36:47动物植物
解决siRNA药物治疗遗传病的副作用问题

Small interfering RNA (siRNA) drugs are a class of therapeutic agents that silence specific genes associated with inherited diseases. However, siRNA drugs have challenges because siRNAs often silence genes other than the target ones, causing side effects.

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2024-09-15 20:25:38动物植物
新石器时代的骨骼揭示了孤立的鼠疫耶尔森菌感染,而不是流行病

Since the catastrophic pandemics of the Middle Ages, one disease has almost proverbially symbolized contagion and death: the plague. It is now known that the plague bacterium Yersinia pestis has been present in Central and Northern Europe for more than 5,

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2024-09-15 20:13:50动物植物
结晶替代DNA结构揭示胰岛素和糖尿病

The first crystal structure of an alternative DNA shape from the insulin gene has been revealed by a UCL-led research team.

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2024-09-07 21:36:37动物植物
研究表明,古老的基因使蜘蛛的腰围变细

An ancient gene is crucial for the development of the distinctive waist that divides the spider body plan in two, according to a study published August 29 in the open-access journal PLOS Biology by Emily Setton from the University of Wisconsin-Madison, US

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2024-09-07 21:26:31动物植物
海底结核病:一种海洋海绵微生物为细菌的进化提供了见解

The surprising discovery of a bacterium in a marine sponge from the Great Barrier Reef with striking similarity to Mycobacterium tuberculosis, the pathogen responsible for tuberculosis (TB), could unlock and inform future TB research and treatment strateg

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2024-09-07 21:15:32动物植物
根据新的预测,面临灭绝风险的鱼类物种数量比之前的估计高出五倍

Researchers predict that 12.7% of marine teleost fish species are at risk of extinction, up five-fold from the International Union for Conservation of Nature's prior estimate of 2.5%.

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2024-09-07 21:01:12动物植物
研究人员绘制了人类基因组中50000个神秘的DNA“结”

Researchers have mapped 50,000 of DNA's mysterious "knots" in the human genome. The innovative study of DNA's hidden structures may open up new approaches for treatment and diagnosis of diseases, including cancer.

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2024-09-07 20:49:45动物植物
揭开狨猴的秘密通讯:它们有名字

A new study from Hebrew University reveals that marmoset monkeys use specific calls, known as "phee-calls," to name each other, a behavior previously known to exist only in humans, dolphins, and elephants. This discovery highlights the complexit

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