نتایج جستجو برای: 26 rrna gene
تعداد نتایج: 1298130 فیلتر نتایج به سال:
Kunu is a non-alcoholic fermented cereal beverage consumed primarily as refreshing drink. This study investigated the effects of storage conditions on viability Lactic Acid Bacteria (LAB) in kunu and antibacterial against diarrhoea caused by Escherichia coli strains. was prepared according to local traditional method. Viability counts LAB stored at two different conditions, cold (4 ℃ average) r...
Introduction: FAD is the cofactor of FAD-FR protein family. Sulfite reductase flavoprotein alpha-component is one of the main enzymes of this family. Based on applications of this enzyme in biotechnology and industry, it was chosen as the subject of evolutionary studies in 19 specific species. Method: Gene and protein sequences of sulfite reductase flavoprotein alpha-component, 5S rRNA sequence...
the crustacean paramysis intermedia is one of the most important zooplanktons which is used as food by aquatic animals in estuaries and marine environments. regarding the existence of this zooplankton stocks in the persian gulf and oman sea, knowledge on genetic structure of this species is necessary for conservation of its biological diversity and gene pool. in present study, genetic diversity...
INTRODUCTION Mycoplasma pneumoniae (M. pneumoniae) is the most common atypical pathogen that causes respiratory infections in humans. Laboratory tests are important in the diagnosis of M. pneumoniae because of the atypical features in clinical signs and symptoms. Nowadays, both the P1 adhesin gene and 16S ribosomal (r) RNA (rRNA) gene of M. pneumoniae have been widely detected by polymerase cha...
Phytoplasma phylogenetics has focused primarily on sequences of the non-coding 16S rRNA gene and the 16S-23S rRNA intergenic spacer region (16-23S ISR), and primers that enable amplification of these regions from all phytoplasmas by PCR are well established. In this study, primers based on the secA gene have been developed into a semi-nested PCR assay that results in a sequence of the expected ...
This is part of a series of two papers on gene regulation in Bacillus subtilis rRNA-tRNA operons that contain large clusters of tRNA genes. The preceding paper (Vold, B.S., Okamoto, K., Murphy, B.J., and Green, C.J. (1988) J. Biol. Chem. 263, 14480-14484) investigates the rrnB operon containing 21 tRNA genes, and this paper investigates a B. subtilis rRNA-tRNA operon containing 16 tRNA genes an...
16S rRNA gene sequences have been widely used for the identification of prokaryotes. However, the flood of sequences of non-type strains and the lack of a peer-reviewed database for 16S rRNA gene sequences of type strains have made routine identification of isolates difficult and labour-intensive. In the present study, we generated a database containing 16S rRNA gene sequences of all prokaryoti...
The current study's goal was to identify virulence factors (genes) in P. mirabilis. A total of 25/100 (25%) Proteus mirabilis were obtained from patients with otitis media and identified using culture biochemical characteristics, Polymerase chain reaction (PCR). PCR technique used detect the 16S rRNA gene all factors, including ureC gene, which encodes urease synthesis, flaA flagella fimbriae p...
An Escherichia coli open reading frame, ygcA, was identified as a putative 23 S ribosomal RNA 5-methyluridine methyltransferase (Gustafsson, C., Reid, R., Greene, P. J., and Santi, D. V. (1996) Nucleic Acids Res. 24, 3756-3762). We have cloned, expressed, and purified the 50-kDa protein encoded by ygcA. The purified enzyme catalyzed the AdoMet-dependent methylation of 23 S rRNA but did not act ...
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