2025-05-23 22:22:38动物植物
发现控制结核病生长的DNA开关可能有助于揭示其抗生素耐药性的秘密

The bacteria that cause tuberculosis (TB) may have an "on-off switch" that lets them pause and restart growth, according to a new study from the University of Surrey and the University of Oxford. The research helps explain why TB is so hard to t

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2025-05-23 22:10:17动物植物
科学家发现,蝾螈尾部损伤会激活大脑中的远端神经元以促进再生

The axolotl is renowned for its extensive ability to regenerate organs and body parts, including its spinal cord. Studies on spinal cord regeneration, however, have focused on axolotl cells next to an injury site, leaving the brain's role in regeneration

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2025-05-23 21:59:57动物植物
珊瑚在修复项目中死亡与微生物组中有益细菌水平低有关

Corals are the architects of reefs throughout tropical seas, providing protection and sustenance for the species that depend on them. Coral reefs protect coastlines from storm surge, put tourist dollars in coffers, and provide cultural richness in the way

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2025-05-23 21:47:33动物植物
整合珊瑚融合、破碎和微生物组科学为珊瑚礁恢复提供了新途径

A recent publication by University of Guam Marine Laboratory scientists, "Restoration innovation: Fusing microbial memories to engineer coral resilience," suggests a novel framework that pairs fundamental biology with applied biology to innovate

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2025-05-23 21:33:13动物植物
科学家为大脑和脊髓细胞设计基因递送系统

Research teams have created a versatile set of gene delivery systems that can reach different neural cell types in the human brain and spinal cord with exceptional accuracy. These delivery systems are a significant step toward future precise gene therapy

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2025-05-23 21:18:21动物植物
恐龙灭绝如何帮助拯救现代双壳类动物

An asteroid strike 66 million years ago caused millions of species to go extinct—including many mollusks. By studying the impacts of this ancient event, scientists hope to ensure that mussels, scallops and their bivalve relatives will survive the threats

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2025-05-23 21:03:29动物植物
古代DNA用于绘制发热细菌的进化图

Researchers at the Francis Crick Institute and UCL have analyzed ancient DNA from Borrelia recurrentis, a type of bacteria that causes relapsing fever, pinpointing when it evolved to spread through lice rather than ticks, and how it gained and lost genes

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2025-05-23 20:49:11动物植物
藻类之间的竞争如何改变缅因湾

As the ocean warms across its temperate regions, kelp forests are collapsing and turf algae species are taking over. This shift from dense canopies of tall kelp to low-lying mats of turf algae is driving biodiversity loss and altering the flow of energy a

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2025-05-23 20:37:35动物植物
一种像自然界中发现的东西一样运动的人造蛋白质

Proteins catalyze life by changing shape when they interact with other molecules. The result is a muscle twitching, the perception of light, or a bit of energy extracted from food. But this crucial ability has eluded the growing field of AI-augmented prot

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2025-05-23 20:24:36动物植物
科学家们已经弄清楚了已经灭绝的巨型地懒是如何变得如此之大的,以及这一切出了什么问题

Most of us are familiar with sloths, the bear-like animals that hang from trees, live life in the slow lane, take a month to digest a meal and poop just once a week. Their closest living relatives are anteaters and armadillos, and if that seems like an od

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2025-05-23 20:09:52动物植物
被称为内含子的“自私”基因被证明是遗传复杂性的主要来源

DNA is the genetic code that provides the biological instructions for every living species, but not every bit of DNA helps the species survive. Some pieces of DNA are more like parasites, along for the ride and their own survival.

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2025-05-23 19:55:35动物植物
从混乱到JianCe:新工具在复杂的细胞数据中发现联系

Imagine looking at thousands of scattered puzzle pieces and trying to guess what picture they create. Without any reference point, it's nearly impossible.

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