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About CBS-KNAW Fungal Biodiversity Centre

The CBS Fungal Biodiversity Centre - an institute of the Royal Netherlands Academy of Arts and Sciences (KNAW) and situated in Utrecht - maintains a world-renowned collection of living filamentous fungi, yeasts and bacteria. The Institute's research programs principally focus on the taxonomy and evolution of fungi as well as on functional aspects of fungal biology and ecology, increasingly making use of molecular and genomics approaches. The institute employs circa 70 personnel, among whom 20 scientists.

The Collection now maintains over 80.000 to 100.000 strains of micro-organisms, representing a large percentage of the species in the fungal kingdom that have been cultured to date. In diversity of species it is unchallenged as a reference centre for mycological research. The task to preserve the organisms while maintaining their original characters is a perpetuating challenge to technicians and scientists alike. Because the increase in the number of organism acquisitions is not proportional to an increase in assistance, preservation on agar has been minimized, thus placing high demands upon long-term preservation, a focal point for collection research. The value of a collection depends not only on the quality of the strains, but equally on the amount and accuracy of the data attached to them. Although there are considerable differences among the various taxonomic groups, efforts are taken to increase the amount of information. The available databases allow random information retrieval and give not only access to strain data, but also to literature while links to on-line information present elsewhere are provided.

CBS is a centre of expertise, advising on mycological problems of a scientific, health-related or industrial nature. It offers various services including identifications, patent deposits and courses. Research projects for third parties can be carried out on a strictly confidential base. The institute also publishes books and the journals Studies in Mycology, CBS Biodiversity Series and Persoonia.



CBS-KNAW History

  • 2016

    New Building Extension


    To accomodate the growth of existing research groups and to host a new research group on product discovery, a new wing is being adding to the existing building of Uppsalalaan 8 in Utrecht.

  • 2009

    New Research Groups


    In addition to the existing research group of Pedro Crous (Evolutionary Phytopathology), Robert Samson (Applied and Industrial Mycology), Sybren de Hoog (Origins of Pathogenicity in Clinical Fungi), Teun Boekhout (Yeast and Basidiomycete Research), two new research groups have been created by and for Ronald de Vries (Fungal Physiology) and Vincent Robert (Bioinformatics).

  • 2002

    Pedro W. Crous Director of CBS


    August 2002 dr. Pedro Crous was appointed director to lead the institute in a challenging research future. At the same time, a new research group on Evolutionary Phytopathology is created.

  • 2000

    Reunion of Fungal and Yeast Collections


    In December 2000 the CBS moved to Utrecht where it is accommodated in the completely renovated building, previously occupied by the Hubrecht Laboratory (NIOB), another institute of the Royal Academy of Arts and Sciences. The complete staff and collection of the yeast department also joined the staff and the collection of Baarn. The facilities in Utrecht allow a firm base for growth and fruitful cooperation between CBS, the Hubrecht laboratory and the University of Utrecht.

  • 1934

    Support from O. van Vloten Fund


    The donation in 1934 from mr. O. van Vloten, a tea planter in the Dutch Indies who was keenly interested in fungi, allowed CBS to start building her own laboratory in 1962. This was accomplished at the instigation of ms A.L. van Beverwijk who strove to obtain separate accommodation and become entirely independent from the Phytopathological Laboratory "WCS". CBS moved to the new building in 1964. Van Beverwijk did not live to enjoy the fulfillment of her wish. She was succeeded by J.A. von Arx who directed the institute from 1963 on. The number of staff member could be increased and consequently more time could be devoted to scientific research. Each staff member became responsible for the investigation of one or more, incompletely known or poorly defined groups of fungi.

  • 1921

    Yeast Collection


    In 1921 A.J. Kluyver (1888-1956) succeeded M.W. Beijerink as a professor of microbiology at the Technical University of Delft. He was interested in the yeasts that were known to be of importance to technical microbiology and took over the CBS yeast collection in 1922. In return for 60 yeast cultures he offered 2000 culture tubes and 100 Erlenmeyer flasks. The yeast research in Delft has developed quite separately from the classical morphological methods used for filamentous fungi. The yeast taxonomy was based mainly on the fermentation and assimilation of certain carbon compounds. This way of classifying yeasts is now generally known as the "Dutch School". J. Lodder was a member of the yeast division from 1932-1938 and published a revision of the imperfect (non ascosporogenous) yeasts in cooperation with H.A. Diddens. In 1946 N.J.W. Kreger-van Rij who joined the yeast department in 1946, compiled the monograph "The yeasts, a taxonomic study" in cooperation with J. Lodder in 1952. This book, many times reprinted and revised, is still the major text book in yeast taxonomy.

  • 1907

    Johanna Westerdijk Director of CBS


    Prof. Went who was responsible for founding the culture colection asked in 1907 prof. Johanna Westerdijk as director of the institute. Miss A.L. van Beverwijk succeeded Johanna Westerdijk as director of CBS in 1959.

  • 1904

    CBS Established


    CBS was established in 1904 as the foundation of a collection of fungal and algal cultures at the 11th International Botanical Congress at Vienna. For some time between the two world wars CBS was financially supported by the Royal Netherlands Academy of Arts and Sciences (RNAAS) and received a fixed annual sum of 4000 guilders.



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