2024-12-25 16:53:01动物植物
研究人员在水稻中发现了木聚糖合酶复合物的核心成分

Xylan is a major interlocking polysaccharide in the cell walls of seed plants, possessing a high structural diversity and cellular specificity in terms of chain polymerization, side chains, and modifications.

阅读全文
2024-12-25 16:42:01动物植物
新的野生动物模型捕捉了纽约州的物种相互作用

Cornell ecologists and colleagues have developed a new model that captures the abundance of wildlife species in a region and offers new insights into animals' interactions with each other—information that will aid wildlife management and conservation.

阅读全文
2024-12-25 16:31:36动物植物
研究表明,干燥的天气会引发榴莲开花

Researchers from Tokyo Metropolitan University have discovered that around 15 days of dry weather can trigger the flowering of durian. Observations of 110 durian plants revealed that flowering occurred around 50 days after an approximately 15-day dry spel

阅读全文
2024-12-25 16:21:08动物植物
研究人员发现了缓解绿豆品种镉胁迫的有前景的方法

A research team led by Prof. Xu Hailiang from the Xinjiang Institute of Ecology and Geography (XIEG) of the Chinese Academy of Sciences, has demonstrated an effective approach to mitigate cadmium (Cd) stress in mung bean cultivars using salicylic acid (SA

阅读全文
2024-12-25 16:07:37动物植物
科学家利用病毒DNA检测粪便对水的污染

The presence of human waste in sewage overflow or stormwater runoff that ultimately finds its way into rivers and lakes is a major public health hazard. As a result, it is imperative that water bodies and samples are continuously tested for the presence o

阅读全文
2024-12-25 15:55:43动物植物
六种新树种命名:三种来自巴拿马,三种来自哥伦比亚

Botanists José Luis Fernández-Alonso, of the Royal Botanical Garden of Madrid, and Ernesto Campos, research technician at the Smithsonian Tropical Research Institute (STRI) in Panama, have named six new tree species based on comparisons made among collect

阅读全文
2024-12-25 15:44:09动物植物
新的研究记录了波罗的海快速生长、以鱼为食的鲱鱼的进化

Atlantic and Baltic herring are typical plankton-eating fish of central importance for the northern Atlantic Ocean and Baltic Sea ecosystems. A new study published in Nature Communications led by scientists from Uppsala University (Sweden) documents the d

阅读全文
2024-12-25 15:30:57动物植物
钙通道调节研究有助于解决长达数十年的争论

Scientists have addressed a long-standing controversy behind the molecular players mediating calcium signaling, a biological process that coordinates a wide array of physiological responses, according to findings published in the Proceedings of the Nation

阅读全文
2024-12-25 15:17:14动物植物
海洋对决:马林鱼和沙丁鱼如何智胜对方

In the vast, open ocean with no place to hide, sardines group together for protection. When they cannot rely on speed to escape, the sardines' best chance is to outmaneuver the predator altogether. However, predators also seek ways to find weak spots in

阅读全文
2024-12-25 15:03:12动物植物
生物声学研究发现,豹子可以通过其独特的叫声来识别

Each leopard has its own unique roar through which it can be identified, a new study finds. In the first large-scale paired camera trap and autonomous recording survey for large African carnivores, researchers were able to identify individual leopards by

阅读全文
2024-12-25 14:53:15动物植物
人工智能将窃听世界上最荒凉的地方,以追踪和帮助保护濒危野生动物

The endangered Geoffrey's spider monkeys that dangle high in the rainforest canopy are elusive and hard for scientists to track.

阅读全文
2024-12-25 14:39:32动物植物
研究苹果的生物学家发现结构细胞蛋白也直接调节基因转录

A cell protein previously believed only to provide a scaffolding for DNA has also been shown to directly influence DNA transcription into RNA—the first step of the process by which an organism's genetic code expresses itself. The fundamental breakthrough

阅读全文
 3112   首页 上一页 105 106 107 108 109 110 111 112 113 114 下一页 尾页