MGnify Genomes: A Resource for Biome-specific Microbial Genome Catalogues

Area of Science:

• Microbiology
• Bioinformatics
• Genomics

Background:

• Metagenomic analysis generates numerous microbial genome assemblies (MAGs), but standardization issues hinder their use.
• Lack of uniformity in MAG generation, annotation, and storage impedes discovery and comparison of genome collections.

Purpose of the Study:

• To develop MGnify Genomes, a standardized, non-redundant collection of microbial genome catalogs.
• To facilitate the discovery and comparison of microbial genomes from diverse biomes.

Main Methods:

• Generation of biome-specific, non-redundant microbial genome catalogs using MAGs and isolate genomes.
• Organization of genomes into species clusters, with representative genomes selected based on quality, prioritizing isolates.
• Development of online search tools for comparing user sequences against the genome catalogs.

Main Results:

• MGnify Genomes offers catalogs across seven biomes, containing over 300,000 genomes representing 11,048 non-redundant species.
• The resource includes 36 taxonomic classes not currently represented by cultured genomes.
• Species representative sequences and annotations are visualized on the MGnify website, with full catalogs downloadable.

Conclusions:

• MGnify Genomes addresses the need for standardized microbial genome collections from metagenomic data.
• The platform enhances microbial genome discovery, comparison, and analysis across diverse biomes.
• It provides valuable insights into microbial diversity, including uncultured organisms.