2024-07-13 22:24:06动物植物
选择过程在形成树木和土壤真菌共存组合中起着主导作用:研究

Community assembly is shaped by four main processes: selection—fitness differences between organisms; dispersal—organisms' movement across space; drift—unpredictable variation in abundance; and diversification—new genetic variants. However, whether the d

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2024-07-13 22:10:10动物植物
极端干旱对森林生态系统的影响揭示了中国东北地区物种特异性的适应差异

A recent study from China has shed light on the profound impacts of extreme droughts on forest ecosystems, particularly in water-limited regions. The findings revealed significant differences in how various tree species respond to such stressors.

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2024-07-13 21:58:35动物植物
研究考察了美国各地的城市森林

In recent years, tree-planting campaigns have been underway in the United States, especially in cities, as part of climate mitigation efforts.

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2024-07-13 21:46:47动物植物
了解RNA甲基化在癌症中的作用

RNA modification could serve as a therapeutic target for certain types of cancer, according to a new study published in Molecular Cell, which sheds new light on the complex process underlying RNA transcription.

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2024-07-13 21:34:12动物植物
彩色小龙虾的研究挑战了亮色作为适应表型的理论

A pair of biologists, one with West Liberty University, the other with Arizona State University, both in the U.S., has found evidence that challenges theories surrounding bright coloration always functioning as an adapted phenotype.

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2024-07-13 21:21:17动物植物
新型基因写入技术使所有RNA介导的靶向基因能够整合到人类细胞中

In a recent study published in Cell, a research team led by Li Wei and Zhou Qi from the Institute of Zoology of the Chinese Academy of Sciences has developed an innovative gene-writing technology based on retrotransposons. This achievement enables all-RNA

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2024-07-13 21:06:32动物植物
历史表明,人类对生物多样性有益……有时

Humans have been an important driver of vegetation change over thousands of years, and, in some places, had positive impacts on biodiversity, according to a new study.

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2024-07-13 20:53:18动物植物
社会传染研究探讨蚁群如何调节群体行为

In the world of social creatures, from humans to ants, the spread of behaviors through a group—known as social contagion—is a well-documented phenomenon. This process, driven by social imitation and pressure, causes individuals to adopt behaviors observed

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2024-07-13 20:40:35动物植物
进化生物学家研究植物抗寒专家如何适应环境

Plant cold specialists like the spoonworts have adapted well to the cold climates of the Ice Ages. As cold and warm periods alternated, they developed a number of species that also resulted in a proliferation of the genome.

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2024-07-13 20:27:19动物植物
在乌干达的一个公园里,狮子们穿越1.5公里长的水域,危险地寻找配偶

Domestic cats will do almost anything to avoid contact with water. Not so for their wild cousins, though. Lions, tigers and jaguars have had to adapt to water and sometimes take the plunge for survival.

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2024-07-13 20:17:02动物植物
研究表明,孵化可以增加野生鲑鱼的数量,但会减少多样性

The ability of salmon hatcheries to increase wild salmon abundance may come at the cost of reduced diversity among wild salmon, according to a new University of Alaska Fairbanks–led study.

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2024-07-13 20:06:36动物植物
新的地质测年技术将130万年前伊比利亚半岛的第一批欧洲原始人定年

One of the most important controversies about human evolution and expansion is when and by what route the first hominids arrived in Europe from the African continent. Now, geological dating techniques at the Orce sites (Baza basin, Granada) place the huma

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