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Advances in Biochemical Engineering/Biotechnology|February 22, 2005
Novel genes involved in cephalosporin biosynthesis: the three-component isopenicillin N epimerase systemJuan F Martín, Ricardo V Ullán, Javier Casqueiro
Current Genetics|August 1, 2008
Expression of the Acremonium chrysogenum cefT gene in Penicillum chrysogenum indicates that it encodes an hydrophilic beta-lactam transporterRicardo V Ullán, Fernando Teijeira, Juan F Martín
Microbial Biotechnology|January 25, 2011
Regulation and compartmentalization of β-lactam biosynthesisJuan F Martín, Ricardo V Ullán, Carlos García-Estrada
Biomolecular Concepts|December 2, 2014
Transport of substrates into peroxisomes: the paradigm of β-lactam biosynthetic intermediatesJuan-Francisco Martín, Carlos García-Estrada, Ricardo V Ullán
Journal of Industrial Microbiology & Biotechnology|December 14, 2011
Role of peroxisomes in the biosynthesis and secretion of β-lactams and other secondary metabolitesJuan-Francisco Martín, Ricardo V Ullán, Carlos García-Estrada
Applied Microbiology and Biotechnology|July 11, 2012
A vacuolar membrane protein affects drastically the biosynthesis of the ACV tripeptide and the beta-lactam pathway of Penicillium chrysogenumMarta Fernández-Aguado, Fernando Teijeira, Juan F Martín, et al.
Chemistry & Biology|March 24, 2007
Deacetylcephalosporin C production in Penicillium chrysogenum by expression of the isopenicillin N epimerization, ring expansion, and acetylation genesRicardo V Ullán, Sonia Campoy, Javier Casqueiro, et al.
The Biochemical Journal|September 8, 2010
Characterization of a novel peroxisome membrane protein essential for conversion of isopenicillin N into cephalosporin CRicardo V Ullán, Fernando Teijeira, Susana M Guerra, et al.
The Journal of Antibiotics|April 28, 2011
A preparative method for the purification of isopenicillin N from genetically blocked Acremonium chrysogenum strain TD189: studies on the degradation kinetics and storage conditionsInmaculada Vaca, Javier Casqueiro, Ricardo V Ullán, et al.
Applied Microbiology and Biotechnology|October 12, 2012
The transport of phenylacetic acid across the peroxisomal membrane is mediated by the PaaT protein in Penicillium chrysogenumMarta Fernández-Aguado, Ricardo V Ullán, Fernando Teijeira, et al.
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