2024-07-20 23:16:38动物植物
基因沉默工具需要速度:研究为RNAi工具设计提供了更深入的见解

RNA interference (RNAi) is a process that many organisms, including humans, use to decrease the activity of target RNAs in cells by triggering their degradation or slicing them in half. If the target is a messenger RNA, the intermediary between gene and p

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2024-07-20 23:02:25动物植物
研究表明,树种对森林下层的光照条件有不同的应对策略

Scientists at the Institute of Applied Ecology of the Chinese Academy of Sciences have made a breakthrough in understanding why Korean pine trees are struggling to regenerate naturally in certain forests. These broad-leaf Korean pine forests are vital for

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2024-07-20 22:51:04动物植物
极度濒危的关岛树木为全球叶片研究做出了贡献

The intricate leaf design of Guam's Serianthes nelsonii tree was used as a model to contribute to the global goal of understanding how a plant leaf functions, and the results were published in the March issue of the journal Nitrogen.

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2024-07-20 22:40:59动物植物
湿地奇观展开:空中系统揭示了生态系统服务

Coastal wetlands, situated at the junction of land and water, are vital ecosystems known for their high productivity. They play a key role in carbon sequestration, storm buffering, and providing habitats for diverse species. However, these critical areas

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2024-07-20 22:27:01动物植物
研究小组重建了蒙古高原汉族人的进化历史和生物适应

A Chinese research team analyzed 5,583 modern and ancient individuals from an integrated genomic dataset to reconstruct the population evolutionary history and biological adaptation of the Han Chinese population across the Mongolian Plateau.

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2024-07-20 22:15:40动物植物
研究人员表示,抗生素耐药基因水平的升高应被视为全球变化的一个新因素

Human-caused global change is a complex phenomenon comprising many factors such as climate change, environmental contamination with chemicals, microplastics, light pollution, and invasive plants. One of the main tasks of global change biology is to invest

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2024-07-20 22:02:06动物植物
巴西大西洋森林的小农、高效牧场实践对实现恢复目标至关重要

A new study led by King's College London simulated the effects of various restoration policies to assess their impact on biodiversity and agricultural production.

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2024-07-20 21:50:19动物植物
MicroRNA研究为作物改良奠定了基础

MicroRNAs can make plants more capable of withstanding drought, salinity, pathogens and more. However, in a study published in Nature Plants, Texas A&M AgriLife Research scientists show just how much we didn't know about the intricate processes p

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2024-07-20 21:38:10动物植物
可持续灌溉对全球主要粮食和油籽出口国乌克兰农场的恢复至关重要

By the middle of the century, three-quarters of Ukrainian croplands—a critical source of the world's grain and oilseeds—will experience water shortages due to the combination of climate change and infrastructural damage caused by the Russian invasion, ac

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2024-07-20 21:27:46动物植物
研究发现,植物中有节律的基因表达对于与提供营养的细菌共生至关重要

Legumes thrive in low-nitrogen environments by partnering with rhizobia, soil bacteria that convert atmospheric nitrogen into ammonium, a usable form for the plants. These beneficial bacteria are housed in root nodules formed on legume roots.

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2024-07-20 21:16:33动物植物
研究破译了用于疾病诊断的DNA适配体的复杂3D结构

In a study published in PNAS, a research team has resolved the first high-resolution structure of the sgc8c DNA aptamer that targets protein tyrosine kinase 7 (PTK7), engineered two optimal sgc8c variants for disease theranostics efficiently, and revealed

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2024-07-20 21:05:15动物植物
研究表明,Killifish可以调整产卵习惯以应对捕食者

Some species of fish can change their egg-laying habits in response to predators in the area in order to survive, according to new research from The University of Texas at Arlington.

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