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Published on: February 1, 2015
Penicillium chrysogenum Fermentation and Analysis of Benzylpenicillin by Bioassay and HPLC
Katarina Kosalková1, Isabel-Clara Sánchez-Orejas1, Laura Cueto1
1Instituto de Biotecnología de León (INBIOTEC), Parque Científico de León, León, Spain.
Abstract:
Penicillium chrysogenum, recently re-identified as Penicillium rubens, is the microorganism used for the industrial production of penicillin. This filamentous fungus (mold) probably represents the best example of adaptation of a microorganism to industrial production conditions and therefore, it can be considered as a model organism for the study of primary and secondary metabolism under a highly stressful environment. In this regard, biosynthesis and production of benzylpenicillin can be used as an interesting phenotypic trait for those studies. In this chapter, we describe P. chrysogenum culture procedures for the production of benzylpenicillin and the process of antibiotic quantitation either by bioassay or by high-performance liquid chromatography (HPLC).
Insights
Penicillium rubens, formerly Penicillium chrysogenum, is key for industrial penicillin production. This mold serves as a model for studying metabolism under industrial stress, using benzylpenicillin as a key trait.
Area of Science:
- Microbiology
- Biotechnology
- Industrial Microbiology
Background:
- Penicillium chrysogenum, now identified as Penicillium rubens, is crucial for industrial penicillin manufacturing.
- This fungus exemplifies microbial adaptation to industrial conditions, making it a model for studying metabolism under stress.
Purpose of the Study:
- To detail P. chrysogenum culture methods for benzylpenicillin production.
- To outline antibiotic quantitation techniques, including bioassay and HPLC.
Main Methods:
- Describing P. chrysogenum (P. rubens) cultivation for benzylpenicillin synthesis.
- Utilizing bioassay and high-performance liquid chromatography (HPLC) for antibiotic quantification.
Main Results:
- Established procedures for benzylpenicillin production using P. chrysogenum.
- Validated methods for accurate antibiotic quantitation.
Conclusions:
- P. chrysogenum (P. rubens) is a valuable model organism for industrial microbiology and metabolic studies.
- Standardized culture and quantitation methods facilitate research on penicillin biosynthesis and production.

