2025-04-20 23:25:50动物植物
古代谷物具有巨大的气候潜力,可能在欧洲的未来发挥关键作用

Sorghum is one of the world's oldest grains and possesses many traits that can benefit food security, climate resilience, and biodiversity. However, the mechanisms behind these traits have long remained a mystery to researchers, which has hindered effici

阅读全文
2025-04-20 23:15:39动物植物
侏罗纪化石揭示了刺头蠕虫的进化起源

A research team from the Nanjing Institute of Geology and Paleontology of the Chinese Academy of Sciences has identified a fossil acanthocephalan, Juracanthocephalus, from the 160-million-year-old Daohugou Biota in Inner Mongolia, China. This finding was

阅读全文
2025-04-20 23:04:43动物植物
基因组研究提供了过去一百万年猛犸象多样性的快照

A new genomic study has uncovered long-lost genetic diversity in mammoth lineages spanning over a million years, providing new insights into the evolutionary history of these animals.

阅读全文
2025-04-20 22:51:00动物植物
植物中罕见DNA标记的发现挑战了之前的假设

Could it be that one of only three known markers directly targeting the DNA does not exist outside the realm of microbes? Now, researchers led by Xiaoqi Feng at the Institute of Science and Technology Austria (ISTA) have demonstrated that this marker—N4-m

阅读全文
2025-04-20 22:38:35动物植物
人类细胞的交互式图谱揭示了以前未知的蛋白质功能

Scientists have attempted to map the human cell since the first microscope was invented more than 400 years ago. But many components of the cell still remain uncharted.

阅读全文
2025-04-20 22:27:58动物植物
人类细胞复杂的DNA修复系统揭示了癌症潜在的脆弱性

The DNA of human cells consists of a sequence of about 3.1 billion building blocks. Cells go to great lengths to maintain the integrity of this vast store of information. They constantly untangle knots in the DNA strand and create new chemical bonds when

阅读全文
2025-04-20 22:13:46动物植物
寄生虫缩小椋鸟的活动范围,影响下一代的生存

Infections with parasites often entail no recognizable signs in many wildlife species, but can still have negative effects across generations. Infected animals often have a slightly reduced body size and their offspring have a harder start in life.

阅读全文
2025-04-20 22:02:18动物植物
六种类人猿的基因组对端粒进行了测序,为人类进化研究提供了开放获取的参考

Comprehensive reference genomes have now been assembled for six ape species: siamang (a Southeast Asian gibbon), Sumatran orangutan, Bornean orangutan, gorilla, bonobo, and chimpanzee. Areas of their genomes previously inaccessible because of structural c

阅读全文
2025-04-20 21:48:02动物植物
使用基于AI的工具识别稀有微生物

Identifying rare microorganisms in microbiome data just got easier. A team of researchers from Portugal and Canada has developed a new tool that uses machine learning to automatically detect rare biosphere in ecological datasets.

阅读全文
2025-04-20 21:34:46动物植物
利用有益微生物构建土壤碳

Field trials conducted at the University of Queensland show microbial biotechnology could be a game-changer for farming with simultaneous benefits for soil regeneration, crop yield and carbon sequestration.

阅读全文
2025-04-20 21:22:43动物植物
“乐观”和“悲观”的医疗检测犬表现不同吗?

A new, exploratory study has revealed statistical links between the performance of medical detection dogs and their scores on behavioral and affective tests, finding that more "optimistic" dogs tended to perform better overall on detection tasks

阅读全文
2025-04-20 21:09:11动物植物
鸡的基因调控图谱可能有助于对抗禽流感

An international team of researchers led by Professor Huaijun Zhou from the UC Davis Department of Animal Science has created the first-ever detailed map of how genes are regulated in chickens—a breakthrough that could help scientists breed birds that are

阅读全文
 3112   首页 上一页 52 53 54 55 56 57 58 59 60 61 下一页 尾页