Banco EspaƱol de Algas


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 As an International Depository Authority, the BEA holds strains of microalgae and cyanobacteria for patents. To deposit a strain, please, read carefully the Status of International Depositary Authority by the BEA and the Depositing Request BP/1 Form which specify the information you should include regarding the strain.

The strains must be viable in the collection via subculture in liquid and/or solid media (agar).

The strains must be identified at the species level by a taxonomical authority and must be free from fungi, protozoa or other microalgae or cyanobacteria. The depositor must provide information regarding:

  1. Its taxonomical identification (taxonomical identifier, proposed taxonomical description, etc.)
  2. Where it was found (place, date, collector,etc.)
  3. The characteristics of its habitat (temperature, pH, conductivity,ā€¦)
  4. Its toxicity or dangers to health or the environment
  5. Culture and care conditions (temperature, radiation, culture media, etc.)

All of this information must be provided on the algae deposit request form.

All of the strains sent for deposit must be in a liquid or agar culture. The minimum number of replicates to be supplied for deposit is five. The microalgae and cyanobacteria cultures must contain a minimum of 102 to 104 cells per milliliter.

The strains will be assigned a temporary reference number until the viability analysis is complete. This analysis consists of growing several subcultures of the strains in the proposed culture medium. The average time required for this viability analysis is from 7 to 35 days, depending on the strains.

Whether the viability test is positive we will send to the depositor the notification of the acceptance of the strain for deposit in the BEA

To request this service download and fill out the following PDF form (DEPOSIT REQUEST FORM [BP1]) and send it to

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