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Related Concept Videos

Microbial Classification System01:24

Microbial Classification System

Classification is the process of organizing organisms into hierarchically inclusive groups based on their phenotypic similarities or evolutionary relationships. A species comprises one or more strains, and closely related species are grouped into genera. Genera are further classified into families, families into orders, orders into classes, and so forth, up to the domain level, which is the broadest taxonomic rank derived from a combination of phenotypic and genotypic data.The nomenclature of...
Evolutionary Relationships through Genome Comparisons02:54

Evolutionary Relationships through Genome Comparisons

Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
Modern Molecular Taxonomy01:29

Modern Molecular Taxonomy

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...
Evolution of Microbial Genome01:08

Evolution of Microbial Genome

Microbial genome evolution is a highly dynamic process shaped by continual gene gain and loss across species and strains. This genomic flexibility allows microorganisms to adapt rapidly to environmental pressures and interactions with other organisms. Central to understanding this diversity is the distinction between the core and pan genomes.The core genome comprises the genes shared by all sampled strains of a species, representing essential functions needed for fundamental cellular processes.
Comparing Mitochondrial, Chloroplast, and Prokaryotic Genomes02:16

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The present-day mitochondrial and chloroplast genomes have retained some of the characteristics of their ancestral prokaryotes and also have acquired new attributes during their evolution within eukaryotic cells. Like prokaryotic genomes, mitochondrial and chloroplast genomes neither bind with histone-like proteins nor show complex packaging into chromosome-like structures, as observed in eukaryotes. Unlike mitotic cell divisions observed in eukaryotic cells, mitochondria and chloroplasts...
Automated Microbial Diagnostics01:24

Automated Microbial Diagnostics

Automated diagnostic analyzers have transformed clinical microbiology by providing rapid and reliable methods for pathogen identification and antibiotic susceptibility testing. Among these systems, the Vitek 2 is widely used because it automates the traditionally labor-intensive processes of microbial identification (ID) and antibiotic susceptibility testing (AST), delivering standardized and timely results that are essential for effective patient care.Microbial Identification with ID CardsThe...

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Comprehensive Workflow for the Genome-wide Identification and Expression Meta-analysis of the ATL E3 Ubiquitin Ligase Gene Family in Grapevine
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IMG: the Integrated Microbial Genomes database and comparative analysis system.

Victor M Markowitz1, I-Min A Chen, Krishna Palaniappan

  • 1Biological Data Management and Technology Center, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, USA. VMMarkowitz@lbl.gov

Nucleic Acids Research
|December 24, 2011
PubMed
Summary
This summary is machine-generated.

The Integrated Microbial Genomes (IMG) system offers a comprehensive platform for analyzing publicly available microbial genomes. This resource facilitates comparative genomics across all domains of life, aiding research and education.

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Area of Science:

  • Microbiology
  • Bioinformatics
  • Genomics

Background:

  • Comparative analysis of microbial genomes is crucial for understanding life.
  • Publicly available genomic data requires integrated platforms for effective utilization.
  • The Integrated Microbial Genomes (IMG) system was developed to address these needs.

Purpose of the Study:

  • To provide a comprehensive, integrated resource for comparative analysis of publicly available microbial genomes.
  • To offer tools and viewers for examining gene and genome annotations in a comparative context.
  • To continuously update and expand data content and analytical capabilities.

Main Methods:

  • Integration of publicly available draft and complete genomes from Bacteria, Archaea, and Eukarya.
  • Inclusion of a large number of plasmids and viruses.
  • Development of analytical tools and viewers for comparative genome analysis.

Main Results:

  • IMG provides a unified platform for accessing and analyzing diverse microbial genomic data.
  • Regular updates since 2005 have expanded IMG's data content and analytical features.
  • Companion systems (IMG/ER, IMG/EDU, IMG/HMP) cater to specific user needs.

Conclusions:

  • The Integrated Microbial Genomes system is a valuable community resource for microbial genomics.
  • Its continuous development ensures its relevance for ongoing research and education.
  • IMG supports diverse applications, from expert annotation review to human microbiome research.