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تعداد نتایج: 30132 فیلتر نتایج به سال:
Acquiring new genetic traits by lateral gene transfer is a bacterial strategy for environmental adaptations. We previously showed that Escherichia coli laterally transmits nonconjugative plasmids in cocultures that contain strains with or without the plasmid. Using a pMB1-derived plasmid and the Keio collection, a comprehensive library of E. coli knockout mutants for nonessential genes, we rece...
background: available drugs are not able to eradicate intracellular viral dna in patients with hepatitis b virus (hbv) infections. hbsag vaccine could induce immunity and subsequently eradicate hepatitis b virus in proportions of these patients. our aim was to evaluate the efficacy of hbsag as a mode of therapy in inactive carriers. materials and methods: forty two consecutive patients of inact...
Multi-subunit RNA polymerases are the enzymes that perform transcription in all living organisms and that have emerged before the divergence of domains of life. The structures of catalytic cores and their functions during elongation step of transcription cycle are very similar for all multi-subunit RNA polymerases. In contrast, the mechanisms for terminating the RNA synthesis have seemingly div...
Background Omentin-1 is an adipokine, mainly produced by visceral adipose tissue that improves insulin resistance. Objective This study compared the serum levels of omentin-1 and insulin resistance markers in active-obese, inactive-obese and inactive normal-weight men. Methods In this cross-sectional study, 45 men (35.0±4.2 years, no symptoms of illness) were assigned to active-obese (n=16, ...
According to the World Health Organization, viable probiotics could have health effects. However, in recent years, many benefits have been observed through application of inactive and non-viable cells of microbes or their metabolites. Therefore, probiotics could be defined as viable, inactive, or non-viable microbial cells or cell extracts that have beneficial health effects on the host. Based...
Objectives: Toady with growth of different sciences, amount of dies decrease and life hope is going to increase, so world population tends to old ages. In old ages physiologic changes effect on nutrition needs, therefore nutrition cares have the most important role in their health improvement. The goal of this study is the surveying situation of active and inactive elder men nutrition health in...
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