2025-02-26 11:44:15动物植物
遗迹化石揭示了深海生态系统中微小生物进化的线索

Dr. Luis Buatois (Ph.D.) traces a series of hexagons with his finger, following the path carved by tiny organisms millions of years ago that have long since left these unique fossils in their wake.

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2025-02-26 11:29:39动物植物
首个用于活性材料的“编程语言”实现了细胞水平的精确控制

In 2019, Caltech researchers demonstrated a new method to use light to control active matter—a kind of material made up of individual energy-consuming pieces that act as a whole to create mechanical motion. The process works similarly to how many individu

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2025-02-26 11:14:58动物植物
细胞间观察:光学显微镜探针提供了前所未有的细胞外基质视图

Before arriving at Janelia three years ago, Postdoctoral Scientist Antonio Fiore was designing and building optical instruments like microscopes and spectrometers. Fiore, a physicist by training, came to the Pedram Lab to try something new.

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2025-02-26 11:00:14动物植物
发现“垃圾”RNA片段在蛋白质生产和细胞应激反应中发挥作用

Scientists have discovered that some tiny segments of RNA thought to be junk instead have a functional role in suppressing production of certain messenger RNAs and appear to help cells respond to oxidative stress.

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2025-02-26 10:49:33动物植物
自组装蛋白质组学:更容易、更便宜生产的合成抗体

For decades, lab-made antibodies have been used to support patients fighting specific diseases. These treatments have become a cornerstone of cancer therapy and were among the first medical solutions developed to combat COVID-19. However, producing antibo

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2025-02-26 10:38:35动物植物
性是一种形式:研究表明雄性竹节虫已经失去了生殖功能

While most animals reproduce sexually, some species rely solely on females for parthenogenetic reproduction. Even in these species, rare males occasionally appear. Whether these males retain reproductive functions is a key question in understanding the ev

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2025-02-26 10:25:00动物植物
一种用于法医调查中快速识别的新人工智能工具在估计生物性别方面比人类更快

CSIRO, Australia's national science agency, has developed an advanced artificial intelligence (AI) tool for assisting in the estimation of biological sex from human skulls.

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2025-02-26 10:12:23动物植物
合成隔室“涡轮增压”细菌,以更快地生产蛋白质

Biomedical engineers at Duke University have demonstrated a new synthetic approach that turbocharges bacteria into producing more of a specific protein, even proteins that would normally destroy them, such as antibiotics.

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2025-02-26 10:02:19动物植物
研究发现,深海虾已经进化出对生物发光世界的增强视力

Light is a primary driver of visual evolution in shrimp, according to new FIU research published this week in Nature Communications.

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2025-02-26 09:50:46动物植物
天堂鸟中广泛的生物荧光表明,等级和求偶表现的信号增强

New research by scientists at the American Museum of Natural History and the University of Nebraska-Lincoln reports, for the first time, the widespread occurrence of biofluorescence in birds-of-paradise. The study, based on Museum specimens collected sinc

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2025-02-26 09:37:22动物植物
通过工程细菌携带有效载荷穿越血脑屏障

Researchers at the National University of Singapore have reported crossing the blood–brain barrier with help from a modified Lactobacillus plantarum. By delivering an appetite-regulating hormone directly to the olfactory epithelium, the hormone was able t

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2025-02-26 09:23:12动物植物
解读宽叶Silene latifolia的巨大Y:对异常大的性染色体的进化见解

A high-quality genome assembly of Silene latifolia was generated by researchers at CNRS/Université Claude Bernard Lyon 1 and collaborating institutions. The team identified extensive recombination suppression, large-scale repeat accumulation, and gene los

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