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It has been argued for a long time that the representation of a problem is of crucial importance to understanding and solving it. Equally accepted is the fact that the human visual system is a… (More)
The results present evidence for the important role of phosphate-mediated regulation of the nourseothricin biosynthesis by the processes of phosphate limitation and release of phosphate. Also, higher… (More)
Using a strain of Streptomyces hygroscopicus JA 6599 several 14C-compounds were investigates as potential precursors of the macrolide antibiotic turimycin followed by partial degradation to localize… (More)
In S. noursei JA 3890b which produces nourseothricin, a streptothricin-type antibiotic, the participation of the glutamine synthetase/glutamate synthase pathway in the regeneration of glutamic acid… (More)
Using the semi-continuous cultivation technique we could establish that specifically in Streptomyces noursei JA 3890b during growth on a medium supplied with D,L-alanine, NH4+, and maize starch there… (More)
Observations de 2 fillettes, issues de cousines germaines, ayant un allongement de QT. 4 membres de cette famille etaient decedes de mort subite avant l'âge de 2 ans, et 6 deces sans cause evidente… (More)