Mirela Belu

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An important question in developmental biology is how relatively shallow gradients of morphogens can reliably establish a series of distinct transcriptional readouts. Current models emphasize interactions between transcription factors binding in distinct modes to cis-acting sequences of target genes. Another recent idea is that the cis-acting interactions(More)
BACKGROUND It has been shown that species separated by relatively short evolutionary distances may have extreme variations in egg size and shape. Those variations are expected to modify the polarized morphogenetic gradients that pattern the dorso-ventral axis of embryos. Currently, little is known about the effects of scaling over the embryonic architecture(More)
Several well-known morphogenetic gradients and cellular movements occur along the dorsal/ventral axis of the Drosophila embryo. However, the current techniques used to view such processes are somewhat limited. The following protocol describes a new technique for mounting fixed and labeled Drosophila embryos for coronal viewing with confocal imaging. This(More)
The present paper reports on 34 cases of meningococcal meningitis admitted during the last three years to the Clinic of Communicable Diseases of Cluj. The incidence was higher in adolescents and young adults (76%). The clinical form was severe in 10 cases, medium in 19 cases and mild in 5 cases. All the patients recovered, with a mean duration of the(More)
Over a six year period, in the Clinic of Communicable Diseases of Cluj Napoca, 2301 patients with staphylococcal infections were admitted to the Clinic, representing 8% of the total number of patients admitted, and 3513 staphylococcal strains were isolated. A number of 43 of the 2301 patients died (1.8%), but staphylococcal infection was actually the cause(More)
During the period January 1985-July 1988, 532 purulent CSF taken from patients with meningitis, aged between 3 weeks and 91 years, were studied by microscopic examination, cultivation and for H. influenzae type B (HITB) also by coagglutination (COA), counterimmunoelectrophoresis (CIE) and double immunodiffusion (DID) in agarose gel. Positive CSFs were taken(More)
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