2025-05-10 02:51:10动物植物
微小的CRISPR工具为更快、更简单的植物基因组编辑打开了大门

Plant breeding plays a vital role in ensuring global food security by increasing crop yields, improving nutritional quality and creating crops that are adaptable to climate change. However, current plant transformation methods present significant hurdles—

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2025-05-10 02:36:16动物植物
新的研究发现,气候变化现在是濒危物种的主要威胁

Authors of an article in BioScience reveal that climate change has become the most pervasive threat to ESA-listed species, marking the first time that this driver has been identified to surpass other causes of biodiversity loss for this group.

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2025-05-10 02:25:12动物植物
新的证据表明,早期巨型鳄鱼在家谱上与现代鳄鱼相距更远

An international team of paleontologists, geologists, geoscientists and Earth scientists has found evidence that a type of giant crocodile that lived millions of years ago in what is now North America is not closely related to modern alligators. In their

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2025-05-10 02:10:16动物植物
蜱虫研究人员发现了导致人类斑点热感染的立克次体新菌株

In a residential backyard in Maine, Project ITCH researchers from the University of Massachusetts Amherst stumbled upon a surprise finding: rabbit ticks harboring a new type of bacteria related to a group of pathogens that can cause sometimes life-threate

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2025-05-10 01:56:25动物植物
计算方法提高了农艺相关性状的基因组预测准确性

Advances in high-throughput phenotyping (HTP) platforms together with genotyping technologies have revolutionized breeding of varieties with desired traits relying on genomic prediction. Yet, we lack an understanding of the expression of multiple traits a

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2025-05-10 01:45:54动物植物
野生倭黑猩猩的研究表明,雌性黑猩猩会联合起来维持社会中的权力

Biologically speaking, female and male bonobos have a weird relationship. First, there's the sex. It's the females who decide when and with whom they mate. They easily parry unwanted sexual advances—and the males know better than to force the issue.

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2025-05-10 01:33:54动物植物
1.13亿年前的Scythe-jawed地狱蚁是已知最古老的标本

A 113-million-year-old hell ant that once lived in northeastern Brazil is now the oldest ant specimen known to science, finds a report published in Current Biology. The hell ant, which was preserved in limestone, is a member of Haidomyrmecinae—an extinct

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2025-05-10 01:23:32动物植物
超越双螺旋:猿基因组中的替代DNA构象

Certain DNA sequences can form structures other than the canonical double helix. These alternative DNA conformations—referred to as non-B DNA—have been implicated as regulators of cellular processes and of genome evolution, but their DNA tends to be repet

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2025-05-10 01:10:55动物植物
植物性鱿鱼在质地上可与真正的海鲜相媲美

Plant-based seafood alternatives should have similar flavors, textures and nutritional content to the foods they mimic. And recreating the properties of fried calamari rings, which have a neutral flavor and a firm, chewy texture after being cooked, has be

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2025-05-10 00:58:04动物植物
研究人员发现了两种新的鳄鱼物种

McGill University researchers, in collaboration with Mexican scientists, have discovered two previously unknown species of crocodiles, one living on the island of Cozumel and the other on the atoll of Banco Chinchorro, both off the Yucatán Peninsula.

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2025-05-10 00:46:20动物植物
利用长期数据对“空间同步性”的研究揭示了生态趋势,并可能促进保护和农业

Populations of animals and plants separated by even thousands of miles can rise and fall together driven by ecological factors, a phenomenon scientists call "spatial synchrony."

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2025-05-10 00:33:24动物植物
一只食肉的“骨收集器”毛毛虫裹着猎物的残骸

A new carnivorous caterpillar that wears the remains of its prey has been dubbed the "bone collector."

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