Publications by the researcher in collaboration with Ricardo Vicente Ullán (9)

2011

  1. A preparative method for the purification of isopenicillin N from genetically blocked Acremonium chrysogenum strain TD189: Studies on the degradation kinetics and storage conditions

    Journal of Antibiotics, Vol. 64, Núm. 6, pp. 447-451

2009

  1. Transcriptional upregulation of four genes of the lysine biosynthetic pathway by homocitrate accumulation in Penicillium chrysogenum: Homocitrate as a sensor of lysine-pathway distress

    Microbiology, Vol. 155, Núm. 12, pp. 3881-3892

2007

  1. Deacetylcephalosporin C Production in Penicillium chrysogenum by Expression of the Isopenicillin N Epimerization, Ring Expansion, and Acetylation Genes

    Chemistry and Biology, Vol. 14, Núm. 3, pp. 329-339

2005

  1. Characterization of the oat1 gene of Penicillium chrysogenum encoding an ω-aminotransferase: Induction by L-lysine, L-ornithine and L-arginine and repression by ammonium

    Molecular Genetics and Genomics, Vol. 274, Núm. 3, pp. 283-294

2004

  1. Expression of cefD2 and the conversion of isopenicillin N into penicillin N by the two-component epimerase system are rate-limiting steps in cephalosporin biosynthesis

    Molecular Genetics and Genomics, Vol. 272, Núm. 5, pp. 562-570

  2. Inactivation of the lys7 Gene, Encoding Saccharopine Reductase in Penicillium chrysogenum, Leads to Accumulation of the Secondary Metabolite Precursors Piperideine-6-Carboxylic Acid and Pipecolic Acid from α-Aminoadipic Acid

    Applied and Environmental Microbiology, Vol. 70, Núm. 2, pp. 1031-1039

  3. Novel genes involved in cephalosporin biosynthesis: the three-component isopenicillin N epimerase system.

    Advances in biochemical engineering/biotechnology, Vol. 88, pp. 91-109

2002

  1. A novel epimerization system in fungal secondary metabolism involved in the conversion of isopenicillin N into penicillin N in Acremonium chrysogenum

    Journal of Biological Chemistry, Vol. 277, Núm. 48, pp. 46216-46225

  2. The cefT gene of Acremonium chrysogenum C10 encodes a putative multidrug efflux pump protein that significantly increases cephalosporin C production

    Molecular Genetics and Genomics, Vol. 267, Núm. 5, pp. 673-683