Ricardo
Vicente Ullán
Publications dans lesquelles il/elle collabore avec Ricardo Vicente Ullán (9)
2011
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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
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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
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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
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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
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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
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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
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Novel genes involved in cephalosporin biosynthesis: the three-component isopenicillin N epimerase system.
Advances in biochemical engineering/biotechnology, Vol. 88, pp. 91-109
2002
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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
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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