2024-06-11 17:19:47动物植物
抗生素发现工作利用人工智能揭示全球微生物组中潜在的新抗生素

Almost a century ago, the discovery of antibiotics like penicillin revolutionized medicine by harnessing the natural bacteria-killing abilities of microbes. Now, a new study co-led by researchers at the Perelman School of Medicine at the University of Pen

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2024-06-11 17:07:36动物植物
确定了维持适当端粒长度的关键机制

The length of telomeres that protect the ends of our chromosomes should be tightly regulated. Those that are too long predispose to cancer, and those that are too short lose their protective ability, resulting in telomere disorders with serious health con

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2024-06-11 16:53:42动物植物
布里斯托尔海生爬行动物的鱼之谜解开

The identity of a local prehistoric marine reptile has finally been revealed after experts discovered that some of its remains actually belonged to fish.

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2024-06-11 16:42:10动物植物
一项新的研究发现,世界上许多最受威胁的物种缺乏足够的保护措施的证据

A new study has revealed alarming gaps in the implementation of conservation interventions for thousands of the world's most threatened species.

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2024-06-11 16:30:53动物植物
粮食安全:研究人员发现了抵抗一种破坏水稻和小麦作物的疾病的基因

Blast disease, caused by the fungus Magnaporthe oryzae, is a veritable plague in agriculture. In addition to devastating rice crops—the staple food of 60% of the world's population—it began attacking wheat in the 1980s, across a growing area of distribut

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2024-06-11 16:20:00动物植物
大规模研究揭示DNA转座子的功能多样性并扩展基因组工程工具箱

In a study published in Cell, a research team led by Zhang Yong'e and Wang Haoyi from the Institute of Zoology of the Chinese Academy of Sciences has characterized the diversity of DNA transposons and expanded the genome engineering toolbox.

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2024-06-11 16:06:59动物植物
地质生物学家团队发现“失踪”海绵

At first glance, the simple sea sponge is no creature of mystery. No brain. No gut. No problem dating it back 700 million years. Yet convincing sponge fossils only go back about 540 million years, leaving a 160 million-year gap in the fossil record.

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2024-06-11 15:55:06动物植物
研究表明,吝啬的喜鹊往往不那么聪明

Magpies that are aggressive towards other members of their group tend to be not so smart, according to researchers at The University of Western Australia.

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2024-06-11 15:42:01动物植物
科学家发现造血干细胞自我更新所需的“缺失部分”

UCLA scientists have identified a protein that plays a critical role in regulating human blood stem cell self-renewal by helping them sense and interpret signals from their environment.

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2024-06-11 15:29:47动物植物
研究人员解开了有2000年历史的破坏性船蛆之谜

They bedeviled ancient Greek navies, helped shipwreck Christopher Columbus, aided in the sinking of the Spanish Armada and caused the wharves in San Francisco Bay to collapse into the sea, but until now, scientists have been unable to pinpoint exactly how

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2024-06-11 15:14:58动物植物
象海豹爆发标志着高致病性禽流感首次在哺乳动物中跨国传播

Highly pathogenic H5N1 avian influenza viruses are becoming increasingly flexible and are adapting to mammals in new ways that could have global consequences for humans, wildlife and livestock, according to a new study of a massive outbreak among elephant

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2024-06-11 15:02:19动物植物
天堂鱼在进化和行为遗传学研究中的重要性

In Hungary, ethological research is most often identified with tests on dogs, but novel methodological advances could bring another species, the paradise fish, into the spotlight. Fish are easy to handle and produce numerous offspring, which could open up

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