菌体Ge15,NRG-P0073:基因组特征和宿主范围分析与ECOR参考图书馆相比.
Ranee K Anderson1, Shijie Qin1, Rachel M Carson1
1Department of Food Science, Cornell University, Ithaca, NY, USA.
PHAGE (New Rochelle, N.Y.)
|June 19, 2025
概括
我们完全测序和表征了Escherichia菌体Ge15 (NRG-P0073),揭示了其基因组特性和宿主相互作用. 需要进一步的研究来确定其特定的受体结合蛋白,以确定其潜在的应用.
科学领域:
- 微生物学 微生物学
- 病毒学 病毒学
- 基因组学就是基因组学.
背景情况:
- 菌体 (菌体) 的表征对于医学,农业和生物技术中的应用至关重要.
- 了解菌体属性需要基因组注释,形态学和宿主范围分析.
- 这项研究的重点是Escherichia菌体Ge15 (NRG-P0073),一个未分类的Tequatrovirus.
研究的目的:
- 为了呈现 Escherichia 菌体 Ge15 (NRG-P0073) 的完全注释的基因组.
- 为了描述菌体的形态和宿主范围.
- 为了确定负责宿主识别的受体结合蛋白.
主要方法:
- 整个基因组测序,新组装和注释使用银河和阿波罗软件.
- 对大肠杆菌参考图书馆 (ECOR) 和凯奥收集淘汰赛进行双点检.
- 传输电子显微镜用于菌体形态的阐明.
主要成果:
- NRG-P0073拥有170,913bp的基因组,包括259个基因和35.5%的GC含量.
- 菌体吸附了45.8%的ECOR菌株,并在20.8%的ECOR菌株中复制.
- 所有经过测试的大肠杆菌K-12单基因淘汰菌株都支持复制,表明没有任何一个评估的受体完全负责附着.
结论:
- 介绍了新型基因组数据和菌体NRG-P0073的表征.
- 需要进一步的研究来确定特定的大肠杆菌受体结合蛋白.
- 这项工作为未来关于菌体与宿主相互作用的机器学习研究提供了基础.
更多相关视频
07:22Bacteriophage Effectiveness for Biocontrol of Foodborne Pathogens Evaluated via High-Throughput Settings
Published on: August 19, 2021
3.1K
09:44Characterization of a Pathogenic Escherichia coli Strain Derived from Oreochromis spp. Farms Using Whole-Genome Sequencing
Published on: December 23, 2022
2.4K
相关概念视频
Diversity of Protists I
2.3K
Excavata is a diverse group of protists that includes both chemoorganotrophic and phototrophic species, with some thriving in anaerobic environments. Among the key groups within Excavata are diplomonads and parabasalids, which are flagellated protists that lack mitochondria and chloroplasts. These microorganisms typically inhabit anoxic environments, such as the intestines of animals, where they exist either symbiotically or as parasites, relying on fermentation for energy production. Some...
2.3K
Viral Replication: Lytic Cycle
2.8K
Bacteriophages, or phages, are viruses that specifically infect bacteria. Among them, T-even bacteriophages, such as T4, exhibit a well-characterized lytic replication cycle in Escherichia coli (E. coli). This process ensures the rapid proliferation of the virus while ultimately leading to the destruction of the bacterial host.Attachment and DNA InjectionThe infection process begins with the recognition and binding of the T4 phage to the E. coli cell surface. Tail fibers of the phage...
2.8K
DNA Bacteriophages
1.5K
Bacteriophages, or phages, are viruses that specifically infect bacteria, utilizing their genetic material to hijack host cellular machinery for replication. DNA bacteriophages employ single-stranded DNA (ssDNA) or double-stranded DNA (dsDNA) genomes. These phages exhibit diverse replication strategies and host interactions, influencing their ecological roles and applications in biotechnology and medicine.ssDNA BacteriophagesssDNA phages, with their small genomes, utilize unique strategies to...
1.5K
Bacterial Gastroenteritis
60
Bacterial gastroenteritis, characterized by diarrhea, abdominal cramps, and vomiting, is often caused by ingestion of contaminated food or water and is frequently associated with pathogenic Escherichia coli strains. These microbes exploit two principal mechanisms to inflict disease.Shiga toxin–producing E. coli, also referred to as STEC—notably O157:H7—release Shiga toxins that target ribosomes, blocking protein synthesis. The B subunit of the toxin binds the host glycolipid...
60
