2025-05-15 20:58:35动物植物
X射线灭菌效果会因剂量率和细菌环境而发生巨大变化

Radiation sterilization technology destroys the DNA and cellular structures of bacteria and microorganisms using electromagnetic waves with far higher energy than ultraviolet radiation. This technique has become indispensable for sterilization in various

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2025-05-15 20:44:00动物植物
高分辨率荧光传感器可以在多个尺度上显示细胞内腺苷动态

A research team has published a study in Nature Communications detailing the development of a novel genetically encoded fluorescent sensor for real-time, cell-type-specific monitoring of intracellular adenosine (iAdo).

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2025-05-15 20:30:03动物植物
在果蝇中发现的第一条两性都作弊的染色体

Researchers have uncovered a "selfish" X chromosome in the fruit fly Drosophila testacea that manages to distort inheritance in both sperm and eggs.

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2025-05-15 20:15:14动物植物
实验室藻类培养新手册为生命科学研究人员提供了重要工具

A team of biophysicists has published a step-by-step guide for the reliable cultivation of the unicellular green alga Chlamydomonas reinhardtii. The guide will support researchers worldwide in the fields of life sciences, biophysics, and bioengineering in

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2025-05-15 20:05:10动物植物
光合作用前的生长:树木如何调节水分平衡

Plants have small pores on the underside of their leaves, known as stomata. When the sun rises, these pores open and the plants absorb carbon dioxide (CO2) from the atmosphere, which they need, in addition to sunlight and water, for photosynthesis. At the

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2025-05-15 19:50:52动物植物
新的果蝇资源揭示了控制飞行和求偶的神经回路

A team of researchers have created a new resource for studying motor control of wing movements in fruit flies.

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2025-05-15 19:37:21动物植物
科学家揭示了允许病毒感染人类气道细胞的蛋白质晶体结构

New research by scientists at the University of Toronto and the Structural Genomics Consortium has deepened our understanding of how viruses like the flu, common cold, and COVID-19 get into cells in human airways.

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2025-05-15 19:25:14动物植物
人工智能可以从细胞图像中识别遗传扰动,为药物发现提供新途径

Researchers at the Paul Scherrer Institute PSI have developed an AI that could open up a new, cost-effective approach to identifying genetic perturbation patterns in cell images—potentially enabling the development of new drugs.

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2025-05-15 19:14:55动物植物
蛋白质问题:研究人员挑战进化生物化学的基本假设

How did life originate? Ancient proteins may hold important clues. Every organism on Earth is made up of proteins. Although all organisms—even single-celled ones—have complex protein structures now, this wasn't always the case.

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2025-05-15 19:00:16动物植物
3D打印水凝胶引导细胞生长形成功能性组织结构

Researchers at the Terasaki Institute for Biomedical Innovation (TIBI) have developed a technique that could help advance treatments in tissue engineering. The study, published in the journal Small, introduces a technique for producing tissues with precis

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2025-05-15 18:48:46动物植物
沉睡蜜蜂的大脑活动可能会告知人类睡眠和记忆障碍

So different, yet so alike. Through pollination, bees play an important role in the ecosystem, affecting the life cycle of plants, biodiversity and agricultural production. Their presence goes hand in hand with human activity.

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2025-05-15 18:36:20动物植物
从序列到结构:RNA建模的快速通道

In Biology 101, we learn that RNA is a single, ribbon-like strand of base pairs that is copied from our DNA and then read like a recipe to build a protein. But there's more to the story. Some RNA strands fold into complex shapes that allow them to drive

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