2024-02-26 16:04:54动物植物
研究发现了抗生素耐药性传播和演变的确凿证据

Biomedical engineers at Duke University have uncovered a key link between the spread of antibiotic resistance genes and the evolution of resistance to new drugs in certain pathogens.

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2024-02-26 16:04:50动物植物
研究表明,兰花科出现在北半球,与恐龙一起繁衍了2000万年

In a new study published in New Phytologist, scientists at the Royal Botanic Gardens, Kew, along with partners in Latin America, Asia and Australia, present an updated family tree of orchids, tracing their origins to the northern hemisphere some 85 millio

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2024-02-26 16:04:47动物植物
研究为构建基因调控网络提供了见解

Gene regulatory networks (GRNs) depict the regulatory mechanisms of genes within cellular systems as a network, offering vital insights for understanding cell processes and molecular interactions that determine cellular phenotypes. Transcriptional regulat

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2024-02-26 16:04:38动物植物
海洋塑料污染研究揭示细菌酶能有效降解塑料

A new study led by researchers at the University of Stirling has uncovered the crucial roles of bacteria living on plastic debris. The research also identifies rare and understudied bacteria that could assist in plastic biodegradation, offering new insigh

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2024-02-26 16:04:35动物植物
保护辣椒:释放昆虫不育技术的潜力

For the first time, researchers in Canada have investigated the use of the sterile insect technique for controlling populations of the pepper weevil, Anthonomus eugenii, an economically significant crop pest in North America.

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2024-02-26 16:04:33动物植物
淡水生态系统中发现的可能对人类有害的新型真菌

A study by the Mycology and Environmental Microbiology Unit of the Universitat Rovira i Virgili has identified new species of fungi that may cause infections or diseases in people and animals. Carried out in river ecosystems, the research is part of a pro

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2024-02-26 16:04:30动物植物
研究人员揭示了细胞如何在内质网再生蛋白质工厂

The synthesis of proteins in the cell is a key process of life. By this means, the genetic code of the genome is translated into the amino acid sequence of proteins. The process is complex—and has been studied in detail for decades.

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2024-02-26 16:04:27动物植物
果蝇的翅膀为伤口的愈合提供了线索

How long it takes for cells to close a fruit fly's wound can tell us a lot about the healing process in the early developmental stages of humans, and potentially treatments that prevent long-term damage.

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2024-02-26 16:04:24动物植物
研究人员发现,与地下水相连的溪流显示出排毒和微生物多样性的改善

Streams with ample connections to shallow groundwater flowpaths have greater microbial diversity and are more effective at preventing toxic forms of metals—often products of upstream mining—from entering and being transported downstream. These streams are

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2024-02-26 16:04:20动物植物
受保护的土地为西非极度濒危的秃鹫提供了最后的立足点

Among the fastest-declining birds in the world, African vultures battle many of the problems commonly plaguing wildlife today, such as habitat loss, hunting, and poisoning, but they also face a more unique set of obstacles.

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2024-02-26 16:04:17动物植物
科学家认为,杀手本能推动了哺乳动物食肉祖先的进化

The evolutionary success of the first large predators on land was driven by their need to improve as killers, researchers at the University of Bristol and the Open University suggest.

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2024-02-26 16:04:15动物植物
瓢虫气味提供了一种更环保的保护作物的方法

The use of pesticides, while beneficial for global food security, wreaks havoc on natural ecosystems and human health. To address this issue, Penn State researchers have turned to an unlikely enforcer to protect crops: the ladybug. The team, led by Sara H

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