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Structure of the ask-asd operon and formation of aspartokinase subunits in the cephamycin producer 'Amycolatopsis lactamdurans'.
The first two genes of the lysine pathway are closely linked forming a transcriptional operon in the cephamycin producer 'Amycolatopsis lactamdurans' and the presence of a ribosome-binding site within the ask sequence suggests that this ORF encodes two overlapping proteins. Expand
A Novel Heptameric Sequence (TTAGTAA) Is the Binding Site for a Protein Required for High Level Expression of pcbAB, the First Gene of the Penicillin Biosynthesis in Penicillium chrysogenum *
- K. Kosalková, A. T. Marcos, F. Fierro, V. Hernándo-Rico, S. Gutiérrez, J. Martín
- Medicine, Biology
- The Journal of Biological Chemistry
- 28 January 2000
In vivo studies using constructions carrying point mutations in the TTAGTAA sequence confirmed that this intact sequence is required for high level expression of the pcbAB gene, a factor required for expression of several genes in yeasts. Expand
Precipitation of Metallic Cations by the Acidic Exopolysaccharides from Bradyrhizobium japonicum and Bradyrhizobium (Chamaecytisus) Strain BGA-1
- J. Corzo, M. León-Barrios, V. Hernándo-Rico, A. M. Gutiérrez-Navarro
- Medicine, Chemistry
- Applied and environmental microbiology
- 1 December 1994
The results suggest that the precipitation is based on the interaction between carboxylate groups from different polysaccharide chains and the partially hydrolyzed aquoions of Fe, Al, Th, and Sn. Expand