2024-05-10 01:17:26动物植物
肉豆蔻卵巢结构特化的发现

Elaborate observations reveal the structural specialization within an epithelial layer covering oocytes in the Japanese pill-millipede, Hyleoglomeris japonica, considered absent in Myriapoda. Comparing this result with previous descriptions suggested that

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2024-05-10 00:42:02动物植物
深海采矿对海洋动物来说可能是灾难性的

In a recent study published in Deep-Sea Research Part I: Oceanographic Research Papers, researchers of Wageningen University & Research and the University of Bergen have shown that release of deep-sea mining particles can have severe detrimental e

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2024-05-10 00:29:05动物植物
研究表明,放射性铯污染土壤中的根系生长得到改善

Researchers at the RIKEN Center for Sustainable Resource Science (CSRS) have identified a way for plants to gain resistance to cesium, a radioactive toxin that can be found in contaminated soil. After manipulating a specific biological signaling pathway,

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2024-05-10 00:18:11动物植物
工程师开发创新的微生物组分析软件工具

Since the first microbial genome was sequenced in 1995, scientists have reconstructed the genomic makeup of hundreds of thousands of microorganisms and have even devised methods to take a census of bacterial communities on the skin, in the gut, or in soil

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2024-05-10 00:06:45动物植物
全球荟萃分析量化了覆盖作物使用的效益

For years, both scientists and farmers have debated whether the use of cover crops—plants used to cover the ground after harvesting of main crops—have a positive or negative impact on subsequent crop yield. Hundreds of studies have been performed on the s

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2024-05-09 23:54:57动物植物
水生杂草在美国东北部“世界上最严重”

An article published in the journal Invasive Plant Science and Management provides new insights on a northern hydrilla (Hydrilla verticillata) subspecies (lithuanica) and its establishment outside the Connecticut River.

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2024-05-09 23:42:53动物植物
Snap bean面板揭示了叶片、豆荚颜色表型的变异性

A new study led by researchers from Oregon State University explores the significance of vegetable color in consumer choices and agricultural production, focusing on snap beans. The color of snap bean pods, influenced by various compounds, plays a crucial

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2024-05-09 23:28:06动物植物
Bsal及其他:特遣部队帮助抵御两栖动物疾病的威胁

Amphibians—like frogs and salamanders—are the most imperiled group of animal species in the world; infectious diseases are among the greatest threats to their existence. After a decade of research, a scientific task force is poised to stave off these and

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2024-05-09 23:16:37动物植物
研究人员研究同源重组和异常染色体桥的复杂性

Keeping the genetic information stored in genomic DNA intact during the cell division cycle is crucial for almost all lifeforms. Extensive DNA damage invariably causes various adverse genomic rearrangements, which can lead to cell death in the best cases

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2024-05-09 23:06:34动物植物
丰富的分子语言引导细胞中微小液滴的形成

Peering into a biological cell reveals a bustling microscopic world. The workhorses within this realm are specialized structures called organelles that perform vital cellular functions. Curiously, some organelles defy accepted convention: Instead of being

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2024-05-09 22:54:55动物植物
为什么鹦鹉有时会收养或杀死对方的婴儿

Infanticide and adoption in the animal kingdom have long puzzled scientists. While both males and females of many species are known to kill the babies of their rivals to secure sexual or social advantage, other animals have been observed caring for the yo

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2024-05-09 22:43:46动物植物
Dogma-挑战端粒的发现可能为癌症治疗提供新的见解

A new study led by University of Pittsburgh and UPMC Hillman Cancer Center researchers shows that an enzyme called PARP1 is involved in repair of telomeres, the lengths of DNA that protect the tips of chromosomes, and that impairing this process can lead

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