2025-05-09 20:32:15动物植物
植物通讯百年之谜解开:植物通过负压机制发出压力信号

Imagine if a plant in a farmer's field could warn a grower that it needs water? Or if a farmer could signal to plants that dry weather lies ahead, thereby prompting the plants to conserve water?

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2025-05-09 20:20:30动物植物
进化分析揭示了保护哺乳动物免受衰老和疾病的蛋白质变化

Over recent decades, humanity has witnessed a remarkable and continuous increase in lifespan. However, this advancement has been accompanied by a growing aging population, increasingly affected by age-related diseases such as cancer, neurodegeneration, an

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2025-05-09 20:08:23动物植物
扁虫研究表明,干细胞需要位置信号来驱动再生

Scientists at the National Cancer Institute and partnering institutions have discovered that Schmidtea polychroa, a flatworm capable of regenerating lost tissue, develops this ability progressively during early life stages. Whole-body regeneration emerges

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2025-05-09 19:55:02动物植物
实时成像揭示了病毒如何通过肠道微生物群传播

Researchers at the University of California, Irvine have developed a live-imaging system, Phollow, that tracks individual bacteriophages as they spread through the gut of zebrafish, showing that phages from different bacterial hosts vary in how they repli

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2025-05-09 19:42:25动物植物
入侵杂草威胁南加州的沙漠

Once thought resistant to invasion, regional deserts are losing native plants to aggressive weedy species like Saharan mustard. New research shows its spread is disrupting biodiversity and reducing the desert's ability to recover from extreme climate swi

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2025-04-21 21:52:28动物植物
跨领域增长:科学合作应对农业挑战

From soft robots crawling through crops to bio-based fertilizers that protect waterways, the future of farming lies at the intersection of scientific disciplines, according to a new study describing how agriculture's toughest challenges require coordinat

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2025-04-21 21:38:53动物植物
早期英国蜥蜴,已知最早爬树的近亲之一

The life of a 166-million-year-old reptile has been turned upside down. While Marmoretta oxoniensis was believed to have swum in ancient lagoons, new research reveals it spent its time climbing trees instead.

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2025-04-21 21:25:25动物植物
DNA组织为推进干细胞治疗提供了线索

Scientists at the University of California, Riverside, have discovered how adult stem cells retain their regenerative power. The researchers demonstrate in a paper published in the journal Genes & Development that these cells rely on a group of helper

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2025-04-21 21:12:42动物植物
脂质纳米结构域可能是细胞信号奥秘的关键

Lipids in cell membranes regulate the activity of a cancer-linked protein, cell biologists at RIKEN have discovered. This finding, published in the journal eLife, could pave the way for novel approaches to treating cancer.

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2025-04-21 21:02:21动物植物
科学家破解细胞进入以增强癌症药物

A new discovery could pave the way for more effective cancer treatment by helping certain drugs work better inside the body. Scientists at Duke University School of Medicine, University of Texas Health Science Center at San Antonio, and University of Arka

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2025-04-21 20:51:52动物植物
全基因组研究揭示了野生和栽培水稻的遗传多样性

A study has constructed an unprecedented pangenome map of wild and cultivated rice, and decoded the genetic architecture and diversity of rice. This study, published online in Nature on April 16, provides a powerful resource for breeding and agricultural

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2025-04-21 20:39:41动物植物
蜜蜂的性格测试:研究揭示了同一蜂群内蜜蜂防御行为的差异

Researchers from the Cluster of Excellence Collective Behavior at the University of Konstanz have discovered that honey bees from the same colony have different preferences in terms of defensive behavior. While some are still hesitating, others are alread

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