2024-02-29 16:34:40动物植物
禽流感病毒正在适应向海洋哺乳动物传播

The highly pathogenic avian influenza virus H5N1 has adapted to spread between birds and marine mammals, posing an immediate threat to wildlife conservation, according to a study from the University of California, Davis, and the National Institute of Agri

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2024-02-29 16:34:37动物植物
干燥而不死亡:追踪从苔藓到开花植物的缺水应对机制

Imagine you find the dried-up remains of a once green and lush philodendron on your bookshelf and realize you can't remember the last time you watered your houseplants. You soak the soil with water, hoping you can breathe life back into its desiccated hu

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2024-02-29 16:34:34动物植物
研究发现地球化学景观推动麝香牛繁殖成功

Researchers have studied Greenland musk oxen that have been followed for 25 years to see how their feeding habits affect their reproductive success. And it turns out that when they go to areas with more copper and selenium in the ground, they have more ca

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2024-02-29 16:34:33动物植物
小鼠研究发现,雌性嗅觉线索会加速死亡和生殖衰老

Sensory cues from the opposite sex can influence how animals age, a University of Otago-led study has found.

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2024-02-29 16:34:31动物植物
北大西洋露脊鲸雌性体型变小,导致出生人数减少

A team of oceanologists affiliated from the U.S. and Scotland has found reductions in body size of female North Atlantic right whales is resulting in fewer births, endangering the species. In their study, published in Royal Society Open Science, the group

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2024-02-29 16:34:27动物植物
构建用于海洋探索的仿生水母

Jellyfish can't do much besides swim, sting, eat, and breed. They don't even have brains. Yet, these simple creatures can easily journey to the depths of the oceans in a way that humans, despite all our sophistication, cannot.

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2024-02-29 16:34:23动物植物
新发现加速科学家开发耐黄病柑橘

It's one thing for a hybrid citrus tree to tolerate citrus greening disease (a.k.a. Huanglongbing) and quite another if it also produces orange-like fruit—especially if the juice makes for a delicious breakfast beverage. Now, that holy grail of traits co

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2024-02-29 16:34:21动物植物
研究小组揭示了驱动所有细胞膜形成的通用代码

Researchers at the University of Alberta have uncovered what they say has been the missing puzzle piece ever since the genetic code was first cracked.

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2024-02-29 16:34:18动物植物
大麻油被发现是治疗犬盘状红斑狼疮的有效药物

A team of veterinary students and scientists at the Federal University of Santa Catarina, in Brazil, working with the Cannabis Development and Innovation Center, also in Brazil, has found that oral administration of cannabis oil to dogs can reduce symptom

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2024-02-29 16:34:15动物植物
基因密码的变化可能解释人类祖先是如何失去尾巴的

A genetic change in our ancient ancestors may partly explain why humans don't have tails like monkeys, finds a new study led by researchers at NYU Grossman School of Medicine.

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2024-02-26 16:06:30动物植物
果蝇卵母细胞内自组织扭曲的建模与模拟

Cytoplasmic streaming is the large-scale motion of cytoplasm (i.e., gelatinous liquid inside cells) inside a living cell. This flow, known to regulate various intracellular processes, can vary greatly between different cell types at different stages of a

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2024-02-26 16:06:17动物植物
CRISPR/Cas9介导的橡胶蒲公英菊粉生物合成靶向突变

Researchers have leveraged the power of the CRISPR/Cas9 genome editing system to enhance natural rubber production in rubber dandelion (Taraxacum kok-saghyz). The CRISPR system's efficiency and precision offer a promising avenue to address challenges fac

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