2024-05-07 05:06:58动物植物
研究人员开发合成细胞发育的“奠基文件”

Cells are the fundamental units of life, forming the variety of all living things on Earth as individual cells and multicellular organisms. To better understand how cells perform the essential functions of life, scientists have begun developing synthetic

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2024-05-07 04:43:31动物植物
NOAA报告过度捕捞持续减少

In a report released May 2, NOAA Fisheries announced that 2023 saw a record low for the number of fish stocks subject to overfishing. The annual "Status of the Stocks" report is an assessment of the 506 stocks and stock complexes managed by NOAA

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2024-05-07 04:32:39动物植物
美国西部干旱森林的当代野火并不比历史上更严重:研究

Wildfires have increased over the last few decades in dry forests, which cover 25.5 million ha (63 million acres) of the western U.S. But are high-severity fires that kill 70% or more of trees already burning at rates that exceed historical (preindustrial

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2024-05-07 04:06:10动物植物
研究表明,由于气候变化,大黄蜂的巢穴过热,威胁着未来的种群

As a result of the climate crisis, global warming is driving up temperatures around the world—and bumblebees, like humans, are struggling to cope with homes that can't beat the heat.

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2024-05-07 03:55:55动物植物
研究发现微生物组动态变化,有利于重要的宿主相关功能

All multicellular organisms—from the simplest animal and plant organisms to humans—live in close association with a multitude of microorganisms, the so-called microbiome, which colonize their tissues and live in symbiotic relationships with the host.

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2024-05-07 03:41:06动物植物
一种控制细胞分裂机制的新发现

Researchers at Umeå University, Sweden, have discovered that how a special protein complex called the Mediator moves along genes in DNA may have an impact on how cells divide. The discovery may be important for future research into the treatment

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2024-05-07 03:28:12动物植物
新型三联用药对抗生素耐药菌有效

Scientists at the Ineos Oxford Institute (IOI) have found a new potential combination therapy to combat antimicrobial resistance (AMR) by targeting two key bacterial enzymes involved in resistance. The study, "The Triple Combination of Meropenem, Avi

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2024-05-07 03:14:30动物植物
研究发现植物利用干旱胁迫激素来阻止吃零食的蜘蛛螨

Recent findings that plants employ a drought-survival mechanism to also defend against nutrient-sucking pests could inform future crop breeding programs aimed at achieving better broadscale pest control.

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2024-05-07 03:03:43动物植物
汞含量上升可能导致斯特勒海狮数量下降

A team of researchers from Texas A&M University and other institutions has made a surprising discovery about rising mercury levels in Steller sea lion pups that may have detrimental effects on the endangered species.

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2024-05-07 02:49:05动物植物
“凯文·培根的程度”基因为群体连通性的核心参与者提供了可能的基础

A team of biologists and geneticists at the University of Toronto at Mississauga has found a possible genetic basis for a central player in group connectedness. In their study, published in the journal Nature Communications, the group conducted genetic ex

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2024-05-07 02:34:42动物植物
研究人员确定,每年都有大量野生山羊死于雪崩

A multi-institutional team of animal behaviorists, snow impact specialists and biologists from Alaska, Montana, Switzerland and Canada has found that large numbers of wild mountain goats die every year in Alaska due to avalanches. For their study, the gro

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2024-05-07 02:20:16动物植物
大肠杆菌如何获得引起尿路感染的能力

Through a quirk of anatomy, women are especially prone to urinary tract infections, with almost half dealing with one at some point in their lives.

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