2024-07-06 12:52:22动物植物
梨源性发现:增强作物抗旱性的遗传机制

A recent study has shed light on a critical genetic mechanism that boosts plants' ability to withstand drought. The research uncovers the role of the transcription factor PbERF3, native to wild pears, which works in concert with the protein PbHsfC1a to r

阅读全文
2024-07-06 12:40:30动物植物
科学家表示,为了拯救蜜蜂,首先关注栖息地,然后是杀虫剂

Worldwide, hedgerows and wild grass in field margins which previously served as semi-natural habitats are being swallowed up into agricultural production. While scientists have suggested both pesticide use and habitat loss are detrimental to pollinators,

阅读全文
2024-07-06 12:28:36动物植物
研究人员揭示桃金娘锈病病原体如何侵入寄主植物

A recent study looking at the molecular foundation of myrtle rust reveals how the pathogen breaks into a host plant and how the host plant responds. This insight will inform the design of useful tools to prevent future break-ins and safeguard plant health

阅读全文
2024-07-06 12:15:43动物植物
研究表明,目前的策略在控制丹麦牛都柏林沙门氏菌方面无效

In a recent study published in the Journal of Dairy Science, researchers from the Complexity Science Hub (CSH), the University of Copenhagen, and SEGES have shown that despite stringent movement restrictions among Danish cattle farms, Salmonella Dublin co

阅读全文
2024-07-06 12:05:07动物植物
工程师们找到了一种保护微生物免受极端条件影响的方法

Microbes that are used for health, agricultural, or other applications need to be able to withstand extreme conditions, and ideally the manufacturing processes used to make tablets for long-term storage. MIT researchers have now developed a new way to mak

阅读全文
2024-07-06 11:54:50动物植物
生殖细胞内的“金库”提供的不仅仅是安全保护

Maternal messenger RNAs (mRNAs), located within the cytoplasm of an immature egg, are crucial for jump starting development. Following fertilization, these mRNAs are passed onto the zygote, the first newly formed cell.

阅读全文
2024-07-06 11:43:49动物植物
科学家揭示脊椎动物中心周异染色质启动的保守机制

A study published in Nature on July 4 by Prof. Zhu Bing from the Institute of Biophysics of the Chinese Academy of Sciences has shed light on the conserved mechanism responsible for the initiation of pericentric heterochromatin in vertebrates.

阅读全文
2024-07-06 11:30:48动物植物
研究发现提高转录因子活性的方法

Transcription factors regulate gene expression by binding specific sequences on DNA, which is an essential step to producing messenger RNAs from protein-coding genes. Denes Hnisz's lab, in collaboration with Martin Vingron's lab at the MPIMG, has discov

阅读全文
2024-07-06 11:15:59动物植物
高速视频显示,河马在奔跑时会悬空

A pair of evolutionary biomechanics specialists at the University of London's, Royal Veterinary College, has found that when hippos run at full speed, all four of their feet are regularly in the air.

阅读全文
2024-07-06 11:05:28动物植物
倾听正确的嗡嗡声如何防止蚊子与错误的物种交配

Researchers from Nagoya University in Japan have uncovered how the yellow fever mosquito and Asian tiger mosquito distinguish their own species from others. Males from these species listen for the specific frequencies of sound made by the flapping wings o

阅读全文
2024-07-06 10:54:38动物植物
研究人员开创了超快科学中制作更清晰分子电影的新方法

Imagine being able to watch the inner workings of a chemical reaction or a material as it changes and reacts to its environment—that's the sort of thing researchers can do with a high-speed "electron camera" called the Megaelectronvolt Ultrafas

阅读全文
2024-07-06 10:41:37动物植物
研究发现,座头鲸在疫情暂停期间更快乐

University of Queensland-led research has found migrating humpback whales off Australia's east coast became less stressed over the first year of the COVID-19 pandemic. The research paper is published in Marine Environmental Research.

阅读全文
 3112   首页 上一页 150 151 152 153 154 155 156 157 158 159 下一页 尾页