The Bacterial Diversity Metadatabase BacDive is the worldwide largest database for standardized bacterial phenotypic information. Its mission is to mobilize research data on strain level from internal files in culture collections (e.g. CABI, CIP, CCUG, DSMZ) as well as from primary literature and make it freely accessible. Today BacDive offers data on 93,254 bacterial and archaeal strains, including 19,313 type strains and thereby covers approx. 90% of the validly described species. Within over 600 data fields the topics taxonomy, morphology, physiology, origin, molecular data, and cultivation conditions are covered. The database offers systematic access to phenotypic data. BacDive thereby enables queries like "show me all strains that grow under certain conditions” by using the Advanced search or queries like “show me all strains isolated from a marine environment” by using the Isolation source search. With currently 15,357 API® tests for 27,634 strains, BacDive also offers the worldwide largest API® test collection, which can be queried using the API test finder tool. The Bacterial Diversity Database BacDive is the worldwide largest knowledge base of standardized bacterial information. It has been selected as an ELIXIR Core Data Resource as well as a Global Core Biodata Resource. Its mission is to mobilize and make freely available strain-level research data from various sources. Major sources are internal files from culture collections (e.g. CABI, CCUG, CIP, DSMZ, JCM, KCTC) and extensive data manually extracted from species descriptions. Today, BacDive offers 2.6 million data points on 97,334 strains, including 20,060 type strains. Over 1000 data fields cover the topics taxonomy, morphology, physiology, metabolism, origin, biosafety, sequence data, and cultivation. Powerful tools such as the Advanced Search or the Isolation Source Search allow users to easily find strains based on their characteristics, e.g. strains that grow under certain conditions or strains isolated from a specific environment. The RESTful API and a SPARQL endpoint provide expert access to perform large-scale analysis on knowledge provided by BacDive.

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