TRGdb:用于探索细菌中分类学上受限制的基因的通用资源
Andrzej Zielezinski1, Wojciech Dobrychlop1, Wojciech M Karlowski1
1Department of Computational Biology, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Uniwersytetu Poznanskiego 6, Poznan 61-614, Poland.
Database : the journal of biological databases and curation
|August 9, 2023
概括
TRGdb数据库提供了细菌中分类学限制基因 (TRG) 的全面集合. 本资源有助于理解独特的细菌特征和特征.
科学领域:
- 微生物学 微生物学
- 生物信息学是一种生物信息学.
- 基因组学就是基因组学.
背景情况:
- 分类学上受限制的基因 (TRGs) 在细菌进化和适应中起着至关重要的作用.
- 了解TRG对于破译特定物种的特征和功能至关重要.
- 细菌TRG的现有资源在范围和可访问性方面是有限的.
研究的目的:
- 开发和介绍TRGdb,一个专门用于细菌分类学上受限基因的数据库.
- 为探索,搜索和分析TRG提供一个用户友好的平台.
- 为TRG的蛋白质特征提供见解,包括乱,复杂性和聚合倾向.
主要方法:
- 基于最新的细菌分类学编制的细菌TRG.
- 开发一个基于Web的接口,用于数据库访问和导航.
- 实施用于序列相似性探索的工具.
- 包括蛋白质性质分析 (障碍,复杂性,聚合).
主要成果:
- TRGdb成功地处理了一系列细菌TRG的综合集合.
- 该数据库可方便浏览,搜索和序列相似性分析.
- 提供了TRG蛋白序列的详细信息,包括生物物理特性.
- 该资源支持研究细菌中与TRG相关的独特特征.
结论:
- 对于研究细菌基因组学和进化研究的研究人员来说,TRGdb是一个有价值和可访问的资源.
- 该数据库增强了对特定物种基因及其功能影响的理解.
- 通过TRG分析,TRGdb可以更深入地了解细菌生物的独特特征.
相关概念视频
Applications of Molecular Taxonomy
41
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...
41
Modern Molecular Taxonomy
52
Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
52
Coordination of Gene Expression Processes in Bacteria
40
The DNA replication, transcription, and translation processes are intricately coupled in bacteria, allowing efficient gene expression and rapid protein synthesis. While this physical and functional coordination is advantageous, it introduces challenges that bacteria overcome through specific regulatory mechanisms.Coupling of Replication, Transcription, and TranslationThe coupling of replication, transcription, and translation is a hallmark of bacterial gene expression. As the replisome unwinds...
40
Genomic DNA in Prokaryotes
44.0K
The genome of most prokaryotic organisms consists of double-stranded DNA organized into one circular chromosome in a region of cytoplasm called the nucleoid. The chromosome is tightly wound, or supercoiled, for efficient storage. Prokaryotes also contain other circular pieces of DNA called plasmids. These plasmids are smaller than the chromosome and often carry genes that confer adaptive functions, such as antibiotic resistance.
Genomic Diversity in Bacteria
Although bacterial genomes are much...
Genomic Diversity in Bacteria
Although bacterial genomes are much...
44.0K
Reporter Genes
11.5K
Reporter genes are a type of protein-coding gene that are often tagged to a gene of interest. Once inside a target cell, reporter genes usually produce visually identifiable characteristics like fluorescence and luminescence when expressed along with the gene of interest. Thus, reporter genes “report” the presence or absence of genes of interest in an organism, determine the gene expression pattern, or track the physical location of a DNA segment or protein in the cell.
11.5K
Repressible Operon: trp Operon
50
The trp operon in Escherichia coli exemplifies a repressible operon. It regulates the synthesis of tryptophan through repressor-mediated transcriptional control and attenuation. This dual regulatory mechanism ensures tryptophan biosynthesis occurs only when needed, conserving cellular resources.Structure of the trp OperonThe trp operon consists of five structural genes (trpE, trpD, trpC, trpB, and trpA) that encode enzymes for tryptophan biosynthesis. These genes are transcribed as a single...
50


