2024-06-30 04:16:46动物植物
压力下:梳状水母是如何适应海底生活的

The bottom of the ocean is not hospitable. There is no light; the temperature is freezing cold; and the pressure of all the water above will literally crush you. The animals that live at this depth have developed biophysical adaptations that allow them to

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2024-06-30 04:02:16动物植物
研究人员提出了一种新的、全面的合成生物学教学方法

The field of synthetic biology, the science of manipulating biology, has a lot of "cooks in the kitchen," which has both helped it flourish and made it unusually difficult to create a cohesive, consistent curriculum for students at every level o

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2024-06-30 03:51:57动物植物
迄今为止发现的最原始的三叶虫化石动摇了人们对这个早已灭绝的群体的科学理解

Researchers have described some of the best-preserved three-dimensional trilobite fossils ever discovered. The fossils, which are more than 500 million years old, were collected in the High Atlas of Morocco and are being referred to by scientists as "

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2024-06-30 03:37:18动物植物
新工具以前所未有的细节绘制微生物多样性地图

Researchers from the Max Planck Institute for Biology Tübingen have developed the groundbreaking tool SynTracker. SynTracker expands traditional microbial analysis by considering genomic structural variation to complement existing SNP-based methods.

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2024-06-30 03:26:23动物植物
Ferroptosis:重要细胞死亡机制综述

Ferroptosis is a cell death mechanism that has only become known comparatively recently, being named in 2012. This so-called non-apoptotic cell death occurs when too many oxygen radicals and free iron are present in a cell. Certain molecules in the cell m

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2024-06-30 03:14:53动物植物
两性植物自交不亲和背后隐藏的机制被揭示

A new study presents an evolutionary-biophysical model that sheds new light on the evolution of the collaborative non-self recognition self-incompatibility, a genetic mechanism in plants that prevents self-fertilization and promotes cross-fertilization. T

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2024-06-30 03:02:22动物植物
研究表明,全球南方的医疗保健做法有助于抗菌药物耐药性在世界各地的传播

Many bacteria resistant to multiple antibiotics originate in Pakistan and other parts of the Indian subcontinent. Infections caused by these bacteria are challenging to treat; longer treatment with broad-spectrum antibiotics is required and despite this,

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2024-06-30 02:50:06动物植物
科学家确定了我们必须保护的安全避难所,以防止“地球上第六次生命大灭绝”

In a new article, a coalition of conservationists and researchers have shown how we can protect Earth's remaining biodiversity by conserving just a tiny percentage of the planet's surface. This affordable, achievable plan would make it possible for us t

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2024-06-30 02:36:32动物植物
新的荧光报告系统阐明内质网中未折叠蛋白质的积累

The endoplasmic reticulum (ER) is a major organelle responsible for protein folding and trafficking. Protein folding stress in the ER can lead to the accumulation of unfolded or misfolded proteins, known as ER stress, which activates the unfolded protein

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2024-06-30 02:22:26动物植物
研究确定了对抗认知能力下降的基因靶点

Researchers have identified the possible mechanisms by which long-lived mutants of the model system Caenorhabditis elegans are able to maintain learning and memory later in life while some experience cognitive decline.

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2024-06-30 02:09:06动物植物
研究揭示了一种酶如何搭上另一种酶的顺风车来识别tRNA

Imagine your body as a highly organized factory where workers tirelessly assemble proteins around the clock. These proteins are the machines and scaffolds that make up your body and are essential for various functions. In this factory, special delivery tr

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2024-06-30 01:58:39动物植物
蝙蝠使用四种关键战术精确追踪目标

The ability of "target tracking," i.e., keeping a target object in sight, is essential for various activities and has improved in animals and machines through the evolution of life and technology, respectively. Because most sensing systems are i

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