Overview
MediaDive is the world’s largest expert-curated collection of microbial cultivation media, developed and maintained by DSMZ (Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures) in Germany. As part of the DSMZ Digital Diversity initiative, MediaDive provides comprehensive, standardized information about media compositions, solutions, ingredients, and growth conditions for cultivating diverse microorganisms.
Database Content
MediaDive contains extensive cultivation data:
- 3,326 Media: Complete cultivation media recipes with detailed formulations
- 5,839 Solutions: Stock solutions and preparation instructions
- 1,235 Ingredients: Individual media components with specifications
- 47,546 Strains: Microbial strains with associated cultivation protocols
Organism Coverage
- Bacteria (Gram-positive and Gram-negative)
- Archaea
- Fungi (yeasts and filamentous fungi)
- Protists
- Algae
- Over 40,000 strains with documented cultivation media
Key Features
Data Organization
- Detailed Media Formulations: Precise ingredient quantities, concentrations, and preparation steps
- Hierarchical Solutions: Stock solutions with component breakdowns
- Ingredient Specifications: Chemical properties, sources, and preparation methods
- Preparation Steps: Sequential instructions for media and solution preparation
- Gas Atmospheres: Anaerobic and microaerophilic growth conditions
Growth Parameters
- Temperature ranges and optima
- pH requirements and adjustments
- Oxygen requirements (aerobic, anaerobic, microaerophilic)
- Pressure conditions
- Light requirements (for phototrophs)
- Incubation times
Standardized Annotations
- Controlled vocabularies for media components
- Taxonomic classifications (linked to NCBI Taxonomy)
- Isolation source information
- Growth characteristics
- Media types (liquid, solid, semi-solid)
Search Features
- Medium Finder: Search and filter cultivation media by various criteria
- Solution Finder: Locate specific stock solutions and preparations
- Taxonomy Search: Find media by organism taxonomy
- Isolation Sources: Search by environmental origin of strains
- Medium Builder: Create custom media formulations from available components
- Compare Media: Side-by-side comparison of different media compositions
- Compare Solutions: Analyze differences between stock solutions
- Unit Converter: Convert between different concentration units
- SPARQL Endpoint: Semantic query interface for advanced data access (https://sparql.dsmz.de/mediadive)
- Machine learning-based prediction of suitable media for new isolates
Data Structure and Interoperability
Semantic Web Integration
- RDF-based data representation
- SPARQL query interface for programmatic access
- Linked data principles for interoperability
- Integration with external taxonomic and chemical databases
API Access
- RESTful API for programmatic data retrieval
- Comprehensive API documentation available at https://mediadive.dsmz.de/doc/index.html
- Batch queries for large-scale data integration
Applications
Research and Development
- Microbiology Research: Evidence-based media selection for cultivation experiments
- Culture Collection Management: Standardized protocols for strain maintenance
- Biotechnology: Optimizing growth conditions for industrial microorganisms
- Novel Strain Isolation: Reference media for cultivating previously uncultured organisms
Comparative and Systems Biology
- Growth Preference Analysis: Comparing nutritional requirements across taxa
- Metabolic Inference: Linking media composition to metabolic capabilities
- Ecological Modeling: Understanding niche requirements from cultivation data
- Phylogenetic Studies: Analyzing growth trait evolution
Education and Training
- Teaching resource for microbiology courses
- Reference for laboratory protocols
- Best practices in microbial cultivation
Integration with External Resources
Partner Databases
MediaDive collaborates with international culture collections:
- JCM (Japan Collection of Microorganisms)
- CCAP (Culture Collection of Algae and Protozoa, UK)
- NBRC (NITE Biological Resource Center, Japan)
Knowledge Graph Integration
MediaDive data is integrated into:
- KG-Microbe: Knowledge graph framework connecting media with microbial taxonomy, traits, and functional annotations
- DSMZ Digital Diversity: Unified access to all DSMZ biological resources
- Links to chemical ontologies (ChEBI) for ingredient standardization
- Connections to environmental ontologies (ENVO) for isolation source context
- Integration with Gene Ontology (GO) for functional associations
Publication and Citation
MediaDive is described in:
- Publication: “MediaDive: the expert-curated cultivation media database” (2022)
- DOI: https://doi.org/10.1093/nar/gkac803
- Citation: Available at https://mediadive.dsmz.de/cite
Access and Documentation
- Homepage: https://mediadive.dsmz.de/
- Documentation: https://mediadive.dsmz.de/docs/website
- Medium Builder Guide: https://mediadive.dsmz.de/docs/medium-builder
- API Reference: https://mediadive.dsmz.de/doc/index.html
- Statistics: https://mediadive.dsmz.de/stats
- Contact: https://mediadive.dsmz.de/contact
Funding and Support
MediaDive is supported by:
- DSMZ (Leibniz Institute)
- de.NBI (German Network for Bioinformatics Infrastructure)
For more information about how MediaDive data is used in knowledge graph construction, see the KG-Microbe project.