نتایج جستجو برای: spiramycin
تعداد نتایج: 293 فیلتر نتایج به سال:
Shengjimycin is a group of 4"-acylated spiramycins with 4"-isovalerylspiramycin as the major component, produced by recombinant S. spiramyceticus F21 harboring a 4"-O-acyltransferase gene from S. mycarofaciens 1748. A stable bioengineered strain of Streptomyces spiramyceticus WSJ-1 was constructed by integrating the 4"-O-acyltransferase gene (ist) by homologous recombination into the chromosome...
The intravenous injection of the macrolide antibiotics such as spiramycin (30 mg/kg), oleandomycin (50 mg/kg), and erythromycin (30 mg/kg) in cats and dogs resulted in marked declines of blood pressure in our previous experiments1). The mechanism of action was shown to be due to the in vivo release of histamine (H) by a biological method. Of the methods of bioassay for H, cat blood pressure2) a...
Roxithromycin, formerly known as RU 28965 (9-[O [(2-methoxyethoxy)methyl]oxime]-erythromycin), is a novel 14 atom-membered semisynthetic macrolide with an antibacterial spectrum directed towards Gram-positive cocci and bacilli, Gram-negative cocci and some Parvobacteriaceae. The in vitro antibacterial activity of roxithromycin was compared with those of erythromycin and spiramycin against 275 c...
The aim of this study was to determine the incidence of congenital toxoplasmosis (CT) and to assess the performances of prenatal and neonatal diagnoses. From 1994-2005, in Toulouse University Hospital, France, amniocentesis was performed on 352 pregnant women who were infected during pregnancy. All women were treated with spiramycin and pyrimethamine-sulfadoxine when prenatal diagnosis was posi...
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