2025-02-25 21:46:52动物植物
抑制但准备好了:二价性如何使发育基因处于稳定的表达状态

As well as being essential in the precise packaging of DNA into the space of the nucleus, histone proteins are also the site of modifications, chemical additions referred to as epigenetic marks, that control whether a gene is silenced or expressed.

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2025-02-25 21:32:35动物植物
科学家为可编程合成蛋白重新编码基因组

Synthetic biologists from Yale were able to re-write the genetic code of an organism—a novel genomically recoded organism (GRO) with one stop codon—using a cellular platform that they developed enabling the production of new classes of synthetic proteins.

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2025-02-25 21:18:05动物植物
诺氏疟原虫基本基因图谱有助于治疗设计

A new, comprehensive map of all the genes essential for blood infections in Plasmodium knowlesi (P. knowlesi), a parasite that causes malaria in humans, has been generated by researchers at Harvard T.H. Chan School of Public Health and colleagues. The map

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2025-02-25 21:03:09动物植物
座头鲸的歌声在结构上与人类语言相似

Language has long been considered a uniquely human trait, with features that mark it out as distinct from the communication of all other species. However, research published in Science has uncovered the same statistical structure that is a hallmark of hum

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2025-02-25 20:49:07动物植物
螳螂虾棒过滤声音以减轻损害

Known for their powerful punch, mantis shrimp can smash a shell with the force of a .22 caliber bullet. Yet, amazingly, these tough critters remain intact despite the intense shockwaves created by their own strikes.

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2025-02-25 20:38:35动物植物
恢复捕食者,恢复生态系统:黄石狼和其他食肉动物推动了强烈的营养级联

A new study reveals the profound ecological effects of wolves and other large carnivores in Yellowstone National Park, showcasing the cascading effects predators can have on ecosystems. In Yellowstone, this involves wolves and other large carnivores, elk,

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2025-02-25 20:27:17动物植物
可编程水下灯可以加速珊瑚礁的恢复

Scientists have developed a novel tool designed to protect and conserve coral reefs by providing them with an abundance of feeding opportunities.

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2025-02-25 20:16:41动物植物
居住在火山温泉中的藻类揭示了光合作用的见解

Italy's Phlegraean Fields is a hotspot of volcanic activity—an ever-shifting landscape pocketed with acidic hot springs. This huge caldera is a part of the Campanian volcanic arc, which includes Mount Vesuvius, whose eruption wiped out the Roman city of

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2025-02-25 20:04:50动物植物
蜜蜂迁出后,本土蜜蜂种群可以反弹

Managed honey bees have the potential to affect native bee populations when they are introduced to a new area, but a study led by researchers at Penn State suggests that under certain conditions, the native bees can bounce back if the apiaries are moved a

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2025-02-25 19:52:58动物植物
破解缅甸蟒蛇密码:数据分析揭示了将其从佛罗里达州移除的最佳策略

University of Florida scientists have statistically analyzed large amounts of data collected by Burmese python contractors, revealing critical insights about how to most efficiently remove the reptiles.

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2025-02-25 19:42:39动物植物
科学家解开海龟“失落的岁月”之谜

Using satellite trackers, scientists have discovered the whereabouts of young sea turtles during a key part of their lives.

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2025-02-25 19:28:05动物植物
宠物眼病研究中可能存在的火蚁联系

A new study from the Koret School of Veterinary Medicine at Hebrew University has brought new insights into Florida spot keratopathy (FSK), an eye condition that affects both dogs and cats. Led by Dr. Oren Pe'er and published in Veterinary Ophthalmology,

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