نتایج جستجو برای: ribosomal
تعداد نتایج: 34016 فیلتر نتایج به سال:
چکیده: ترماتود های جنس فاسیولا رایجترین فلوکهای کبدی در انسان و حیوانات در سراسر جهان هستند. و خسارات اقتصادی و آسیبهای بهداشتی فراوانی در مناطق مختلف ایران و جهان ایجاد می کند. مطالعات قبلی نشان داده است که توالی its-2 rdna یک مارکر ژنتیکی ویژه برای مطالعات مولکولی بر روی فاسیولا است. هدف این مطالعه شناسایی نمونه های فاسیولا از مناطق مختلف جغرافیایی استان سیستان و بلوچستان با استفاده از رهیاف...
objectives: this current research was conducted in order to analyze the molecular characterization of isolated cryptosporidium spp. in the southwest of iran. materials and methods: in this survey, 390 fecal samples were collected from immunocompromised individuals and children under five-years-of-age. parasitic infection was evaluated using wet mount preparation, formalin ether, a modified acid...
in the present study, the diversity of trichoderma spp. was investigated in alkaline pistachio soils at different geographic area in kerman province, iran. a total of 161 trichoderma isolates were obtained and identified at the species level by analysis of their morphological characters and sequence analysis of their internal transcribed spacer regions of the rrna cluster and tef1 genes as phyl...
سابقه و هدف: بیماری لیشمانیوز یکی از بیماری مهم مناطق گرمسیری در جهان و ایران می باشدکه علی رغم تلاش های گسترده برای ساخت واکسن تاکنون موفقیتی به همراه نداشته و دیگر روش های متداول کنترل نیز نتوانسته است از گسترش روز افزون بیماری بکاهد. لذا شناخت و تعیین هویت انگل لیشمانیا در ناقل با استفاده از روش های نوین مولکولی هدف اصلی تحقیق است، تا بتوان با تعیین هویت انگل و دیگر خصوصیات اکولوژی و بیولوژی...
b a ckground: cutaneous leishmaniasis due to leishmania major is a serious and increasing problem affecting manyrural areas of 17 out of 31 provinces in iran. little is known about sand fly fauna and leishmaniases in eastern iran and no study has been carried out in sarbisheh county. the aim of this study was to determine sand flies composi- tion and probable leishmania infection to find the pr...
background and objective : due to the evolution of multidrug-resistant strains, screening of natural resources, especially actinomycetes, for new therapeutic agents discovery has become the interests of researchers. in this study, molecular, chemical and biological screening of soil actinomycetes was carried out in order to search for peptide-producing actinomycetes. materials and methods : 60 ...
conclusions species identification of trichophyton is crucially important for epidemiological and phylogenetic purposes and for genotype delineation. rca based on its polymorphisms can be used to generate identification barcodes and as an alternative to dna sequencing; it is a very fast, specific, and economical tool for species identification. results of the 61 putative trichophyton clinical i...
background: diagnosis and treatment of neuropsychiatric lupus is still a major challenge in clinical practice. we investigated the association between depression and anti-ribosomal p (anti-p) antibodies in a sample of iranian patients with systemic lupus erythematosus (sle). materials and methods: th is cross-sectional study was conducted on adult patients with sle referring to a referral out-p...
background recent studies suggest that rare codon clusters are functionally important for protein activity. methods here, for the first time we analyzed and reported rare codon clusters in hepatitis c virus (hcv) genome and then identified the location of these rare codon clusters in the structure of hcv protein. this analysis was performed using the sherlocc program that detects statistically ...
The kinetics of synthesis of ribosomal, nonribosomal, and total protein, and of ribosomal ribonucleic acid (RNA), were measured in Escherichia coli during a shift-up involving a doubling of specific growth rate. The increase in ribosomal protein synthesis was not accompanied by a corresponding decrease in non-ribosomal protein synthesis. Thus, the average rate of protein synthesis per ribosome ...
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