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Post-synthetic modifications of nucleic acids have long been known to affect their functional and structural properties. For instance, numerous different chemical modifications modulate the structural organization, stability or translation efficiency of tRNAs and rRNAs. In contrast, little is known about modifications of poly(A)RNAs. Here, we demonstrate for the first time that the two well-stu...
Introduction: One of the main goals of public health is reducing the disability-related age in elderly. On the one hand, older women especially in the low social and economic class, more experience chronic diseases and disabilities therefore, it is important to be identified women at risk in order to improve their health according to their needs. Since the concept of health in elderly depends o...
conclusions aerobic exercise program improved the quality of life as well as the physiological indicators. physical activities can be used as both appropriate model and nonpharmaceutical approach to prevent and cure some diseases. background studies show that lack of exercise and physical activity during childhood and teenage years is directly related to different diseases in adulthood. objecti...
Background & objectives: Vitamin D deficiency and poor sleep quality are important factors in health disorders and are common among women. The aim of this study was to investigate the effect of physical activity on vitamin D levels and improving sleep quality in women. Methods: This descriptive-analytical study was conducted on active and inactive women (85 individuals in each group), aged 30...
Introduction: The rapid growth of the elderly population and the sedentary and mechanical lifestyle of the present age, on the other hand, double the physical, psychological, social and economic problems in old age and affect the quality of life of individuals. Therefore, this study aimed to investigate the relationship between physical activity and various dimensions of quality of life in the ...
To search for heretofore unidentified DNA replication termination (Ter) sites on the Escherichia coli chromosome, we screened the entire Kohara lambda bacteriophage library using as probes the four known 22-bp Ter sequences. We found a Ter site, which we named TerE, located at 23.2 min on the linkage map. TerE inhibits only counterclockwise DNA replication. Macroscopically, five Ter sites are l...
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