2024-07-10 22:31:22动物植物
新数据库揭示动物体内存在磁性细菌

The remarkable ability of migratory animals to navigate and recall routes may be attributed to a sensitivity to not just Earth's magnetic fields, but perhaps an interaction with magnetic bacteria living inside them.

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2024-07-10 22:20:11动物植物
奥德河灾难微藻的全基因组和毒素基因解码

In the summer of 2022, around 1,000 tons of fish, mussels and snails died in the River Oder. Although the disaster was manmade, the immediate cause of death was the toxin of a microalgae with the scientific collective name Prymnesium parvum, often referre

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2024-07-10 22:06:49动物植物
美国首次发现因海平面上升而导致的局部灭绝

The United States has lost its only stand of the massive Key Largo tree cactus in what researchers believe is the first local extinction of a species caused by sea level rise in the country.

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2024-07-10 21:54:29动物植物
研究小组发现,受体使奶牛成为流感的主要目标

As highly pathogenic avian influenza has spread in dairy herds across the U.S., the virus is being detected in raw milk. A new study by a broad team of researchers at Iowa State University's College of Veterinary Medicine helps explain why.

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2024-07-10 21:41:38动物植物
团队开发了一种新的一步方法来对细胞基因组进行多次编辑

Genome editing has become a widely adopted technology to modify DNA in cells, allowing scientists to study diseases in the lab and develop therapies that repair disease-causing mutations. However, with current approaches, it's only possible to edit cells

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2024-07-10 21:26:59动物植物
研究人员倾听飞行中蝙蝠的心跳

Researchers from Konstanz have measured the heart rate of bats over several days in the wild, including complete flights—the first time this has been done for a bat species. To record the heart rate of male common noctule bats during flight, the scientist

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2024-07-10 21:12:55动物植物
科学家创造了一种阻止恶性生长的细胞

Cell therapies could help in the treatment of hereditary diseases, myocardial infarction and hundreds of other diseases. For many blood diseases, new cells can already be transplanted into human patients, and diabetes has also been treated by transplantin

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2024-07-10 20:58:23动物植物
某些细菌或真菌可以对抗攻击普通兽医的植物病原体

Anthracnose, a severe disease caused by the Colletotrichum spinaciae plant pathogen, often occurs in common vetch, a widely grown legume. Chemicals are not recommended for disease management because the plants are used as livestock feed. A new study publi

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2024-07-10 20:45:23动物植物
研究表明,叶子的形状和大小无法可靠地区分野生古柯树和生产可卡因的古柯树

A new paper in Molecular Biology and Evolution indicates that while the United Nations Office on Drugs and Crime has collected annual data on areas of coca cultivation in South America for decades to monitor the establishment of illegal plantations and as

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2024-07-10 20:34:24动物植物
野生水稻:人类是如何无意中选择“杂草”水稻的

University of Massachusetts Amherst researchers have discovered that the anatomical adaptation helping weedy rice varieties to proliferate is not, as previously believed, confined only to these pest varieties. The research, published recently in the Journ

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2024-07-10 20:21:04动物植物
人工智能图谱揭示蛋白质在细胞内的行为

Scientists at the University of Cambridge have developed an atlas of proteins describing how the proteins behave inside human cells. This tool could be used to search for the origins of diseases related to proteins misbehaving, such as dementia and many c

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2024-07-10 20:10:56动物植物
团队发现细菌的新防御机制

When confronted with an antibiotic, toxic substance, or other source of considerable stress, bacteria are able to activate a defense mechanism using cell-to-cell communication to "warn" unaffected bacteria, which can then anticipate, shield them

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