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The gene encoding factor C (facC), an extracellular signal protein involved in cellular differentiation, was cloned from Streptomyces griseus 45H, and the complete nucleotide sequence was determined. The deduced amino acid sequence was confirmed by HPLC/electrospray ionization-mass spectrometry analysis. The full-length protein consists of 324 amino acids(More)
A conidium-producing variant of Streptomyces griseus, strain 45-H, produces a substance, factor C, which is capable of inducing conidium formation in the hyphae of a conidium-non-producing mutant, strain 52-1. Factor C can be determined quantitatively on the basis of this biological effect. The biologically active substance can be purified by ion-exchange(More)
A 30-year-old male who presented with acute renal failure was found to have acquired immunodeficiency syndrome (AIDS). Although sonography and computerized tomography did not show urinary tract dilatation, obstructive renal failure was demonstrated by retrograde pyelography. Relief of obstruction(s) due to encasement of the renal pelves and ureters with(More)
Rabbit antisera and monoclonal antibodies were raised against factor C, a regulatory protein of Streptomyces griseus. ELISA and immunoblotting techniques suitable to determine and characterize factor C antigen in bacterial specimens were developed. Factor C antigen was detected in all the 23 Streptomyces strains and variants examined thus far and in one(More)
The occurrence of nucleotide pyrophosphotransferase (ATP: nucleotide 5'-phosphate pyrophosphotransferase, EC 2.7.4) and the changes in its activity were studied during differentiation in cultures of two Streptomyces griseus strains grown on the surface of a solid medium. One of the strains does not sporulate and produce nucleotide pyro photransferase in(More)