相关实验视频
Updated: Jun 6, 2025

05:33
Isolation of Soil Microorganisms Using iChip Technology
Published on: January 10, 2025
779
使用深度学习在考古中发现抗生素的发现
Marcelo D T Torres1,2,3,4, Fangping Wan1,2,3,4, Cesar de la Fuente-Nunez1,2,3,4
1Machine Biology Group, Departments of Psychiatry and Microbiology, Institute for Biomedical Informatics, Institute for Translational Medicine and Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America.
bioRxiv : the preprint server for biology
|November 28, 2024
概括
科学家们发现了新型抗生素,称为archaeasins从archaea,一个独特的生命领域. 这些化合物表现出显著的抗微生物活性,为抗微生物耐药性 (AMR) 提供了一个有前途的新策略.
科学领域:
- 微生物学 微生物学
- 生物技术是生物技术.
- 药物发现 药物发现 药物发现
背景情况:
- 抗菌素耐药性 (AMR) 是一个关键的全球健康威胁,需要开发新的抗生素.
- 古代生物,一个独特的生命领域,代表了新型抗微生物化合物的未经探索的来源.
研究的目的:
- 通过深度学习系统地探索新型抗生素候选者的古体.
- 识别和描述具有潜在抗微生物活性的新分子.
主要方法:
- 对233个古老蛋白质组进行深度学习分析.
- 识别和合成潜在的抗微生物 (archaeasins).
- 合成化合物的体外和体外测试.
主要成果:
- 确定了12623种潜在的抗微生物分子 (古菌素).
- 合成了80种考古素,其中93%显示出体外抗菌活性.
- 在小鼠模型中,Archaeasin-73在体内表现出显著的疗效,与polymyxin B.相当.
结论:
- 考古生物是发现下一代抗生素的宝贵储备.
- 考古素具有独特的特征和强大的抗菌性质.
- 深度学习是一种有效的工具,用于探索药物发现的考古组.
相关概念视频
Antibiotic Selection
52.3K
Overview
52.3K
Applications of Molecular Taxonomy
Molecular taxonomy has revolutionized the understanding and classification of bacteria, providing precise insights into their diversity, evolutionary relationships, and ecological roles. By utilizing molecular techniques such as DNA sequencing and fingerprinting, researchers have made significant strides in various fields related to bacterial studies.Resolving Taxonomic AmbiguitiesMolecular taxonomy has been instrumental in distinguishing closely related bacterial species initially thought to...
Microorganisms in Medicine and Therapeutics
1
Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
1
Diversity of Archaea I
2
Archaea, a domain of single-celled microorganisms, are classified into five major phyla based on genetic and biochemical characteristics: Euryarchaeota, Crenarchaeota, Thaumarchaeota, Korarchaeota, and Nanoarchaeota. Among these, the phylum Euryarchaeota is notable for its remarkable diversity in morphology, metabolism, and ecological adaptations.Morphological and Metabolic DiversityMembers of Euryarchaeota exhibit a variety of cellular shapes, including rods and cocci. Their metabolic pathways...
2
Viruses of Archaea
Archaeal viruses play a crucial role in the ecosystems of extremophilic archaea, particularly those belonging to the phyla Euryarchaeota and Crenarchaeota. By shaping host evolution and facilitating gene transfer, these viruses influence microbial communities and contribute to genetic diversity in extreme environments. The archaea they infect thrive in acidic hot springs and hydrothermal vents characterized by high temperatures and low pH. Archaeal viruses exhibit remarkable structural...
MALDI-TOF Mass Spectrometry
4.7K
Mass spectrometry is a powerful characterization technique that can identify and separate a wide variety of compounds ranging from chemical to biological entities, based on their mass-to-charge ratio (m/z). The instruments that allow this detection, known as mass spectrometers, have three components: an ion source, a mass analyzer, and a detector. These spectrometers differ based on the nature of their ion source and analyzers.
Matrix-assisted laser desorption ionization (MALDI) is a commonly...
Matrix-assisted laser desorption ionization (MALDI) is a commonly...
4.7K

