2024-06-11 14:51:55动物植物
仅用身体质量和翅膀面积预测鸟类、昆虫、蝙蝠和鲸鱼的拍打频率

A single universal equation can closely approximate the frequency of wingbeats and fin strokes made by birds, insects, bats and whales, despite their different body sizes and wing shapes, Jens Højgaard Jensen and colleagues from Roskilde University in Den

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2024-06-11 14:39:46动物植物
解锁香蕉抗病性:植物抗毒素合成的关键酶

Bananas are a vital crop globally, but their yields are threatened by various diseases, particularly banana fusarium wilt caused by Fusarium oxysporum. Traditional control methods, including chemical pesticides, pose environmental risks and are not always

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2024-06-11 14:27:45动物植物
研究为菊花的建筑优雅提供了基因见解

Chrysanthemums, admired globally for their intricate capitulum structures, have posed a genetic puzzle for scientists and horticulturists. The genetic mechanisms that dictate their development have been largely unknown, limiting the ability to selectively

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2024-06-11 14:17:00动物植物
沙漠英雄亮相:四角蟾蜍基因组解码干旱生存策略

As water scarcity looms as a major threat to global ecosystems and food production, the quest to understand how plants like Cissus quadrangularis conquer arid landscapes is more critical than ever. The genetic blueprint of such species could hold the key

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2024-06-11 14:03:51动物植物
从温室到沙漠:乙烯受体在玫瑰耐盐性中的作用

A study reveals a novel mechanism in roses where the Tryptophan-rich sensory protein (TSPO) degrades the ethylene receptor ETHYLENE RESPONSE 3 (RhETR3) to enhance salt tolerance. This discovery sheds light on the complex relationship between ethylene sign

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2024-06-11 13:52:43动物植物
新型脂肽对金黄色葡萄球菌具有致死性

A novel antibacterial lipopeptide produced by the bacterium Serratia marcescens has been shown to be highly effective in killing Staphylococcus aureus—one of the most important pathogens occurring in humans.

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2024-06-11 13:39:39动物植物
微小的蛔虫在假蝎的保护层内开辟出独特的寄生生态位

The early worm gets the arachnid, fossil research by an Oregon State University scientist has shown. In a parasitic first, a Baltic amber specimen has revealed that millions of years ago, tiny worms known as nematodes were living inside of and feeding on

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2024-06-11 13:28:21动物植物
新溶酶体转运蛋白的结构和功能揭示

Researchers have revealed the structure and function of a previously unknown lysosome transporter. The groups of Christian Löw (CSSB, EMBL Hamburg), Markus Damme (Christian-Albrechts-University Kiel), and Bruno Gasnier (CNRS and Universit&eac

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2024-06-11 13:16:38动物植物
问答:研究揭示了肠道的真正干细胞,挑战了之前的假设

Two independent studies by Columbia scientists suggest that research into the gut's stem cells over the past 15 years has been marred by a case of mistaken identity: Scientists have been studying the wrong cell.

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2024-06-11 13:05:59动物植物
热带气旋频率的增加可能会对海鸟种群造成致命后果

The increase in tropical cyclone frequency and intensity due to climate change could lead to dramatic declines in seabird populations, suggests a paper published in Communications Earth & Environment. The authors' conclusion is based on the impac

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2024-06-11 12:53:35动物植物
你怎么知道鱼去哪儿了?科学家解决海洋动物追踪数据的空白

When scientists want to study the long-distance movement of marine animals, they will instrument them with a small device called an acoustic transmitter—or tag—which emits unique signals or "pings." These signals are picked up by receivers ancho

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2024-06-11 12:40:15动物植物
研究表明,海洋蓝藻通过膜纳米管进行交流

Three years ago, María del Carmen Muñoz, a researcher at the University of Cordoba, was peering into an electron microscope to study the vesicles of marine cyanobacteria and found, almost accidentally, something she did not expect: structures that, althou

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