编辑丨王多鱼 排版丨水成文 2025 年 7 月 30 日， 华大智造 杨梦 团队联合泰国朱拉隆功大学的研究团队 在 Nature 子刊 Nature Biomedical Engineering 上发表了题为 ： Accelerating primer design for amplicon sequencing using large language model-powered agents 的研究论文， 发布了名为" PrimeGen "的干湿协同多智能体系统， 通 过 整合大语言模型 （LLM） 与多智能体协作，显著提升了扩增子测序引物设计的效率与可靠性。 这也是该团队在 Nature Machine Intelligence 期刊发表 蛋白自博弈 AI 智能体 后，时隔两年再度发表 AI 相关论文 。（详情： Nature子刊：华大智造发布自博 弈AI智能体，实现高效蛋白质从头设计 ） 科学研究的范式革命已然兴起，其前沿图景 ——" 自驾实验室 " （Self-driving l aboratories） ——正从一个酝酿数十年的构想转变为工程现实。这一理念源于 20 世纪 70 年代的闭环自动化 ...

Core Viewpoint - The study highlights the relationship between high-fat diets, gut microbiota, and cardiovascular disease (CVD), suggesting that palmitic acid levels in circulation, influenced by gut bacteria, may exacerbate thrombosis risk [2][3][12]. Group 1: Research Findings - High-fat diets increase circulating palmitic acid levels through the promotion of the gut bacterium Bacteroides thetaiotaomicron, leading to enhanced thrombosis [3][10]. - Palmitic acid has a direct pro-coagulation effect by inhibiting the endogenous anticoagulant activated protein C (APC) and enhancing platelet activation [8][10]. - The abundance of Bacteroides thetaiotaomicron is associated with elevated palmitic acid levels and a hypercoagulation state in patients with coronary artery disease [7][10]. Group 2: Dietary Implications - The composition and function of gut microbiota are directly influenced by dietary intake, particularly macronutrients like lipids, which play a crucial role in shaping host-microbe interactions [5]. - The study indicates that controlling palmitic acid and Bacteroides thetaiotaomicron could be a preventive strategy against cardiovascular diseases [12]. Group 3: Preventive Measures - Hesperidin, a dietary flavonoid, can inhibit the interaction between palmitic acid and APC, thereby preventing thrombosis induced by palmitic acid or Bacteroides thetaiotaomicron transplantation [9][10].

Core Viewpoint - The recent research published in Cell reveals that the potato is a hybrid product of ancient crossbreeding between tomatoes and a wild relative, which has significantly contributed to its unique tuber formation and ecological success [2][3][4]. Group 1: Research Findings - The study, led by Academician Huang Sanwen from the Chinese Academy of Agricultural Sciences, indicates that the potato lineage originated from an unexpected combination of tomato and a close relative about 8-9 million years ago [3][4]. - The research systematically uncovers the hybrid origin of the potato species, its tuber formation, and subsequent diversification, providing new theoretical insights into species formation mechanisms and genetic breeding [5][8]. - The analysis of 128 genomes revealed that the potato lineage is a "hybrid offspring," with the hybridization event coinciding with the dramatic uplift of the Andes mountains, paving the way for its evolution [8][10]. Group 2: Genetic Mechanisms - The formation of potato tubers is attributed to the complementary inheritance of genes from both parent species: the "light signal gene" SP6A from tomatoes triggers the swelling of underground stolons, while the "regulatory gene" IT1 from the close relative ensures tubers form in the correct location [10][11]. - The research demonstrates that the combination of these genes is unique to hybrids, suggesting a natural selection process that tailored the potato's genetic toolkit for survival [13][14]. Group 3: Evolutionary Advantages - The hybrid potato gained three significant advantages: 1. Asexual reproduction insurance through tubers allows survival in harsh Andean conditions [15]. 2. An explosion of genetic diversity due to hybridization led to the emergence of 107 wild potato species, with about 40% of genes showing parent-specific differentiation [15]. 3. Ecological niche expansion enabled potatoes to thrive in diverse environments, with cold tolerance genes closely resembling those of the close relative [15]. Group 4: Implications for Breeding and Evolution - The study challenges traditional views by demonstrating that hybridization is a key driver of innovation, directly creating new traits like tubers and facilitating evolutionary radiation [16]. - Insights into the genetic origins of tubers can inform the design of cold-resistant, high-yield potato varieties, potentially leading to the cultivation of "super potatoes" through simulated ancient hybridization [17]. - The research serves as a living textbook for evolution, illustrating that hybridization is not random but a strategic response to geological upheavals, acting as a shortcut for survival [18].

Core Viewpoint - The research highlights the discovery of chemosynthetic communities at extreme ocean depths, challenging existing hypotheses about life potential in such environments and providing new insights into deep-sea carbon cycling [3][5][6]. Group 1: Research Findings - The study identified chemosynthetic life forms, including tube worms and mollusks, at a depth of 9,533 meters in the Northwest Pacific Ocean [3]. - These chemosynthetic ecosystems exist in areas where geological faults release hydrogen sulfide and methane, indicating a complex interaction with the deep-sea carbon cycle [6]. - The research team utilized China's independently developed manned submersible "Fendouzhe" to explore the Kuril-Kamchatka Trench and the western Aleutian Trench, discovering the deepest and most widespread chemosynthetic communities known, ranging from 5,800 meters to 9,533 meters deep, spanning over 2,500 kilometers [5][6]. Group 2: Implications - The presence of these communities suggests that the distribution of chemosynthetic life may be more extensive than previously anticipated, potentially reshaping current models of life limits in extreme environments [6]. - The findings challenge existing theories regarding deep-sea carbon cycling and the potential for life in extreme conditions, indicating a need for further exploration and understanding of these ecosystems [5][6].

Core Insights - On July 30, 2025, a total of 20 papers were published in the prestigious journal Nature, with 11 of them authored by Chinese scholars, highlighting the significant contribution of Chinese researchers to global scientific advancements [2][5][7][9][10][12][14][17][19][21][22]. Group 1: Research Contributions - The paper titled "Flourishing chemosynthetic life at the greatest depths of hadal trenches" was co-authored by researchers from the Chinese Academy of Sciences, showcasing new findings in deep-sea biology [2]. - A study on "Repurposing haemoproteins for asymmetric metal-catalysed H atom transfer" was published by researchers from Basel University, indicating advancements in chemical catalysis [5]. - Stanford University published a paper on "Remodelling of corticostriatal axonal boutons during motor learning," contributing to the understanding of neural plasticity [7]. - The synthesis of bulk hexagonal diamond was reported by researchers from the Beijing High Pressure Science Research Center, marking a significant achievement in material science [9]. - A study on "Invariance of dynamo action in an early-Earth model" was published by Southern University of Science and Technology, providing insights into geophysical processes [10]. - Research from McMaster University on "ACLY inhibition promotes tumour immunity and suppresses liver cancer" highlights potential cancer treatment strategies [12]. - A molecular cell atlas of the mouse lemur was published by Stanford University, offering valuable data for primate research [14]. - A study on "Diffusing protein binders to intrinsically disordered proteins" was conducted by researchers at the University of Washington, advancing the field of protein interactions [17]. - A paper on "SuFEx-based antitubercular compound irreversibly inhibits Pks13" was published by researchers from Scripps Research Institute, contributing to tuberculosis treatment research [19]. - Research on "Epithelial cell membrane perforation induces allergic airway inflammation" was published by researchers from Beijing Institute of Life Sciences and Tsinghua University, shedding light on allergic responses [21]. - A study on "The Virtual Lab of AI agents designs new SARS-CoV-2 nanobodies" was published by Stanford University, indicating the role of AI in biomedical research [22].

Core Viewpoint - The article discusses the innovative method of chemical reprogramming to generate human chemical induced pluripotent stem cells (hCiPS cells), highlighting its potential in regenerative medicine and the advantages of using human blood cells as a source for these stem cells [2][10]. Group 1: Chemical Reprogramming Method - The chemical reprogramming method allows for the conversion of somatic cells into pluripotent stem cells using a combination of small molecules, providing a more flexible and simpler approach compared to traditional transcription factor-based methods [2][6]. - In 2025, the team led by Professor Deng Hongkui successfully established an accelerated chemical reprogramming platform by overcoming key epigenetic barriers, enhancing the efficiency of generating hCiPS cells [2][4]. Group 2: Source of Cells - Human blood cells are identified as the most accessible and convenient source for generating hCiPS cells, although challenges remain in the chemical reprogramming of these cells [3][6]. - The research demonstrated high efficiency in chemical reprogramming from both fresh and frozen blood cells, with the ability to generate over 100 hCiPS cell clones from just a drop of fingertip blood [7][14]. Group 3: Research Highlights - The study published in Cell Stem Cell represents a significant advancement in the field, overcoming the critical bottleneck of starting cell sources for chemical induced pluripotent stem cell production [4][10]. - The method is noted for its robustness and reproducibility, making it a promising next-generation platform for efficient and scalable stem cell production in regenerative medicine [10][14].

Core Viewpoint - Intrinsically disordered proteins (IDPs) and intrinsically disordered regions (IDRs) represent about 60% of the human proteome and are crucial for various cellular functions and disease progression. Recent advancements in artificial intelligence (AI) have enabled the design of specific binding agents for these previously considered "undruggable" targets, unlocking new therapeutic possibilities [1][2][20]. Group 1: Importance of IDPs and IDRs - IDPs and IDRs play significant roles in cellular signaling, stress responses, and disease progression, making them valuable targets for clinical diagnostics and drug development [2][8]. - Traditional drug design struggles with IDPs due to their lack of stable structure, which complicates the development of targeted therapies [6][7]. Group 2: AI Breakthroughs in Drug Design - The research led by David Baker's team utilized generative AI to design proteins that can accurately bind to IDPs and IDRs, achieving atomic-level precision [2][11]. - The AI model, RFdiffusion, allows for dynamic matching without pre-setting structures, enabling the generation of binding proteins that can adapt to the flexible nature of IDPs [11][12]. Group 3: Experimental Results and Applications - The studies published in Nature and Science demonstrated the successful design of binding proteins for various IDPs, with binding affinities ranging from 3 to 100 nanomolar [15][18]. - These binding proteins have shown potential in therapeutic applications, such as inhibiting amyloid fiber formation related to type 2 diabetes and disrupting stress granule formation in neurodegenerative diseases [16][18]. Group 4: Future Implications - The new design strategies developed could lead to innovative treatment methods and diagnostic tools for diseases associated with IDPs and IDRs, marking a significant advancement in precision medicine [20][24]. - The complementary strategies of RFdiffusion and logos provide a robust framework for targeting both structured and unstructured protein regions, enhancing the versatility of drug design [21][22].

近期，广东佛山发生了 基孔肯雅热 （ Chikungunya） 疫情。截至 7 月 26 日 24 时，今年广东省累计报 告 4824 例基孔肯雅热本地病例，均为轻症。据世界卫生组织 （WHO） 数据显示，自 2025 年初至 6 月 初，全球已有 14 个国家和地区报告了约 22 万例基孔肯雅热病例，涉及美洲、非洲和亚洲地区。 美国 得克萨斯大学医学分部感染与免疫研究所主任、基孔肯雅病毒专家 Scott Weaver 在 Nature 旗下综 述期刊 Nature Reviews Microbiology （最新影响因子IF=103.3） 发表了一篇题为 ： Chikungunya virus and other emerging arthritogenic alphaviruses 的综述论文。 该综述系统介绍了 基孔肯雅病毒 （CHIKV） 及其它致关节炎的虫媒甲病毒的传播周期、媒介、进化及预 防等研究进展 ，接下来我们一起通过这篇综述了解 CHIKV 相关的研究进展。 CHIKV 表面 的 E2–E1 刺突蛋白与宿主细胞受体 MXRA8 及附着辅助因子的结合 。结合后 通过内吞作用 进入细胞，并在内体 ...

Core Viewpoint - The recent research challenges the fundamental role of the solid inner core in the generation of Earth's magnetic field, suggesting that the dynamo action in early Earth models is invariant and not dependent on the presence of a solid inner core [4][6]. Group 1: Research Findings - The study published in Nature by Lin Yufeng and colleagues reveals that the dynamo action in an early Earth model exhibits characteristics independent of fluid viscosity, indicating that viscosity can be considered negligible in simulations [5]. - The magnetic field strength and morphology generated by models using early Earth geometries align closely with ancient geomagnetic data and show significant similarity to the present Earth's magnetic field [5]. Group 2: Historical Context - Earth's magnetic field has likely existed for at least 3.5 billion years, initially sustained by the long-term cooling of the core and currently driven by the growth of the solid inner core [1]. - Existing numerical models of the Earth's dynamo have successfully simulated a terrestrial magnetic field that closely resembles real dynamic mechanisms, although the understanding of the dynamo mechanism in a fully liquid outer core remains limited [2].

Core Insights - Recent breakthroughs in xenotransplantation using genetically modified pigs have garnered global attention, particularly in addressing the shortage of human organ donors [1][2] - The first successful transplantation of a genetically edited pig liver into a human recipient was reported in March 2024, demonstrating the potential for pig organs to serve as a transitional therapy for patients with liver failure [1][2] Group 1: Research Developments - In October 2021, NYU Langone Medical Center performed the first transplantation of a genetically edited pig kidney into a brain-dead woman [1] - In January 2022, the University of Maryland conducted the first live transplantation of a genetically edited pig heart, with the patient surviving for approximately two months [1] - A study published in Nature Medicine in July 2025 analyzed the immune cell landscape in a human recipient of a pig liver xenograft, highlighting the immune response post-transplantation [2][3] Group 2: Immune Response Analysis - The research utilized single-cell and spatial transcriptomics to characterize immune cell changes in the peripheral blood and transplanted liver of the human patient [3][7] - The study found that T cells in the peripheral blood were gradually activated, while γδT cells and exhausted T cells infiltrated the pig liver, indicating impaired adaptive immunity [8] - Two distinct monocyte subpopulations, THBS1+ and C1QC+, were identified, which may influence coagulation and immune responses post-xenotransplantation [9][11] Group 3: Implications for Future Research - The findings emphasize the role of innate immune cells in influencing coagulation and immune pathways following pig liver xenotransplantation, suggesting avenues for further research [11] - Understanding the roles of THBS1+ and C1QC+ monocytes could provide insights into early rejection responses and adaptive immune regulation in xenotransplantation [11]