2024-05-16 21:01:56动物植物
研究人员培育的番茄植物含有双亲植物的完整遗传物质

In a new study published in Nature Genetics, led by Charles Underwood from the Max Planck Institute for Plant Breeding Research in Cologne, Germany, scientists established a system to generate clonal sex cells in tomato plants and used them to design the

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2024-05-16 20:47:46动物植物
印度洋海面温度被发现是登革热爆发的准确预测因子

A team of Earth scientists, health care workers and meteorologists affiliated with several institutions in China, and working with several international partners, reports that global dengue severity in Asia and South America can be predicted by sea-surfac

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2024-05-16 20:32:58动物植物
中心点研究为染色体分离错误的机制提供了新的见解

Researchers from the Hubrecht Institute's Kops group, in collaboration with researchers from the University of Edinburgh, have made a surprising new discovery in the structure of the centromere, a structure involved in ensuring that chromosomes are segre

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2024-05-16 20:18:27动物植物
两年的研究表明,一些一年生花卉品种在传粉昆虫友好的花园中占有一席之地

While wildflowers and perennials are a must for supporting pollinators, there's no denying the popularity of many annual flowers for their colorful, visual appeal. Annuals are often thought of as pollinator "deserts," but a new study suggests c

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2024-05-16 20:05:22动物植物
基因分析揭示新病毒即将出现

Suddenly they appear, and like the SARS-CoV-2 coronavirus, can trigger major epidemics: Viruses that nobody had on their radar. They are not really new, but they have changed genetically. In particular, the exchange of genetic material between different v

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2024-05-16 19:53:11动物植物
由面粉和燕麦制成的生物混合机器人可以作为可生物降解的载体进行重新造林

Researchers at Istituto Italiano di Tecnologia (IIT-Italian Institute of Technology) in collaboration with the University of Freiburg have developed a biohybrid robot, which consists of a flour-based capsule created using 3D microfabrication techniques, a

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2024-05-16 19:42:19动物植物
果蝇睾丸提供了对抗有害昆虫的潜在工具

A way to curb nagging insects has been flying under our radar—an enzyme from fruit fly testes. The compound could control bugs that carry disease and harm crops by stunting their ability to procreate, Johns Hopkins University researchers found.

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2024-05-16 19:27:26动物植物
科学家发现,持续的霍乱菌株可以抵御变革的力量

A deadly strain of cholera bacteria that emerged in Indonesia back in 1961 continues to spread widely to this day, claiming thousands of lives around the world every year, sickening millions, and with its persistence, baffling scientists.

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2024-05-16 19:17:04动物植物
研究揭示了对蛋白质进化的见解

Rice University's Peter Wolynes and his research team have unveiled a breakthrough in understanding how specific genetic sequences, known as pseudogenes, evolve. Their paper was published May 13 in the Proceedings of the National Academy of Sciences.

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2024-05-16 19:07:01动物植物
鸟类学家发现世界上最大的蜂鸟实际上是两种

The Giant Hummingbird of western South America is not one species but two, according to an international group of researchers. The northern population stays in the high Andes year-round while the southern population migrates from sea level up to 14,000 fe

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2024-05-16 18:55:15动物植物
长期研究发现,有机农业会导致植物遗传物质的适应

Plants adapt genetically over time to the special conditions of organic farming. This has been demonstrated in a long-term study conducted at the University of Bonn.

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2024-05-16 18:42:37动物植物
细根决定代谢组和微生物组的差异

Bacteria and fungi live together on the surface of plant roots, which can promote symbiotic interactions with the plant. Plant roots that are especially fine can support various niches for their microbial proliferations, but traditionally, microbiome stud

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