2024-02-18 16:51:55动物植物
一项新的研究使作物的无性繁殖越来越近

When the female gametes in plants become fertilized, a signal from the sperm activates cell division, leading to the formation of new plant seeds. This activation can also be deliberately triggered without fertilization, as UZH researchers have shown. The

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2024-02-18 16:51:53动物植物
路边的杂草如何积聚爆炸力来投掷种子

Hairy bittercress is one of those plants that hurl their seeds in all directions to spread them effectively. A research team has now discovered that to do this, the plant uses a previously unknown mechanism that makes the seed pods contract and snap open,

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2024-02-18 16:51:50动物植物
科学家发现“跳跃基因”决定了卷心菜的外表

The genetic differences between pointed cabbage and cauliflower are greater than those between humans and chimpanzees. Nevertheless, they are considered the same species. Researchers from Wageningen and China mapped the extensive genetic variation of cabb

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2024-02-18 16:51:47动物植物
一项新的研究检测了酸性状态下的ATP合酶,以揭示该酶的功能

A collaborative effort led by Stuti Sharma, Ph.D., Assistant Professor in the Department of Biochemistry & Cell Biology at Stony Brook University, resulted in a promising study toward a better understanding of mitochondrial adenosine triphosphate (ATP

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2024-02-18 16:51:45动物植物
RNA依赖性蛋白质研究促进对抗疟疾

New work by a team led by scientists at the University of California, Riverside, has taken research one step closer to designing new therapies to fight and eradicate malaria thanks to a lab technique called R-DeeP.

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2024-02-18 16:51:41动物植物
研究人员逐地远程绘制作物地图

Crop maps help scientists and policymakers track global food supplies and estimate how they might shift with climate change and growing populations. But getting accurate maps of the types of crops that are grown from farm to farm often requires on-the-gro

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2024-02-18 16:51:38动物植物
深入海洋:水下无人机为全球珊瑚礁研究打开新大门

At the Okinawa Institute of Science and Technology (OIST), scientists at the Marine Genomics Unit, in collaboration with the Japanese telecommunications company NTT Communications, have identified the genera of mesophotic corals using eDNA collected by un

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2024-02-18 16:51:34动物植物
SPNS2被发现直接输出S1P用于信号传导,可以被抑制

When an enemy invades, defenders are ferried to the site to neutralize the marauders. In the human body, a protein carrier called SPNS2 transports S1P molecules from endothelial cells to rally immune cell response in infected organs and tissues.

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2024-02-18 16:51:32动物植物
研究人员发现一种罕见的脂肪分子有助于细胞死亡

Columbia researchers have found that a rare type of lipid is a key driver of ferroptosis, a form of cell death discovered by Columbia professor Brent Stockwell.

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2024-02-18 16:51:30动物植物
利用文本分析,科学家绘制了爱尔兰马铃薯饥荒前马铃薯枯萎病的传播图

North Carolina State University researchers used text analytics on both historic and modern writing to reveal more information about the effects and spread of the plant pathogen—now known as Phytophthora infestans—that caused the 1840s Irish potato famine

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2024-02-18 16:51:27动物植物
研究人员确定人类活动是墨西哥中部保护区生物多样性下降的驱动因素

New research shows the diversity of plant and animal life in 14 tropical reserves in Mesoamerica has plummeted since 1990 as roads and cattle ranches have expanded into protected areas. Large mammals, birds, and reptiles are disappearing, while disease-ca

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2024-02-18 16:51:25动物植物
根部微生物可能是一杯味道更好的茶的秘密

You'd think the complex flavor in a quality cup of tea would depend mainly on the tea varieties used to make it. But a study appearing in the journal Current Biology shows that the making of a delicious cup of tea depends on another key ingredient: the c

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