2025-01-21 02:25:12动物植物
发现细菌纳米线背后的机器

Almost all living things breathe oxygen to eliminate the excess electrons produced when nutrients are converted into energy. However, most microbes that mitigate pollution and climate change don't have access to oxygen. Instead, these bacteria—buried und

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2025-01-21 02:13:24动物植物
“物种代谢”双靶向技术解锁微生物和酶资源

A new technology is poised to transform the discovery of microbial species and enzymes with specific in situ metabolic functions. The technology, FISH-scRACS-seq (Fluorescence In Situ Hybridization-guided Single-Cell Raman-activated Sorting and Sequencing

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2025-01-21 02:01:41动物植物
叶甲虫的进化成功与基因转移和共生有关

With more than 50,000 described species, the leaf beetle family is distributed worldwide and represents about a quarter of the species diversity of all herbivores. Leaf beetles can be found to feed on almost all plant groups. They live in the rhizosphere,

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2025-01-21 01:51:04动物植物
生物学家揭示了鸬鹚和安康鱼的生理和行为

They are two of Florida's most iconic waterbirds, who look and behave similarly, but it turns out the anhinga and the double-crested cormorant are quite different, new research from the University of Miami indicates.

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2025-01-21 01:38:30动物植物
新化石物种揭示了早期陆生植物不同的生活史策略

The initial radiation of vascular land plants, evidenced by increases in both diversity and morphological disparity during the Silurian and Devonian periods, is considered plant terrestrialization, which can be seen as the terrestrial equivalent of the Ca

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2025-01-21 01:25:51动物植物
细胞成像技术:人工智能将无标记光声显微镜转化为共聚焦显微镜

A research team at POSTECH has developed a technology that surpasses the constraints of traditional imaging methods, providing stable and highly accurate cell visualization. Their findings are published in Nature Communications.

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2025-01-21 01:11:24动物植物
令人震惊的线索:细胞如何在胚胎发育过程中利用电场迁移

As an embryo grows, there is a continuous stream of communication between cells to form tissues and organs. Cells need to read numerous cues from their environment, and these may be chemical or mechanical in nature. However, these alone cannot explain col

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2025-01-21 01:00:18动物植物
安第斯极端微生物中鉴定出的具有潜在工业应用的生物活性化合物

An article published in the journal Scientific Reports describes how researchers analyzed biofilm produced by bacteria found in the El Medano hot springs, located in Chile in the central Andes, and concluded that one of its key ingredients can be used to

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2025-01-21 00:47:36动物植物
“狗发现了”松露:研究人员和犬科动物发现了两种新的松露物种

Michigan State University researchers—along with colleagues at the University of Florida, citizen scientists and their "truffle dogs"—have discovered two new species of truffle. The research was published in the journal Mycologia and featured on

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2025-01-21 00:34:23动物植物
新发现的机制通过结合DNA和RNA表观遗传学实现了精确的基因调控

Our genes contain all the instructions our body needs to function, but their expression must be finely regulated to guarantee that each cell performs its role optimally. This is where DNA and RNA epigenetics come in: a series of mechanisms that act as &qu

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2025-01-21 00:22:09动物植物
南非早期古人类牙齿的同位素显示他们很少吃肉

A team of climate geochemists at the Max Planck Institute for Chemistry, University of the Witwatersrand and Princeton University has found evidence that early hominins living in South Africa ate a mostly vegetarian diet. In their study, published in the

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2025-01-21 00:09:55动物植物
微生物多样性图谱:研究发现,42%的细菌缺乏基因组数据

Researchers at the U.S. Department of Energy (DOE) Joint Genome Institute (JGI), a DOE Office of Science User Facility located at Berkeley Laboratory, have published a study in Science Advances that evaluates the current state of microbial genomic biodive

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