نتایج جستجو برای: توالییابی 16 s rrna
تعداد نتایج: 1031050 فیلتر نتایج به سال:
In this study the influence of external circuit resistance on metabolic behaviour anodic biofilm in Microbial fuel cell (MFC) was studied. The results obtained demonstrated that extremely low and high loads could deteriorate bio-electrochemistry respiration by shifting microbial metabolism towards typical fermentation substrates. best conditions for efficient substrate mineralisation nearly 70%...
.......................................................................................... 5 SAMMANFATTNING PÅ SVENSKA ............................................... 7 PAPERS IN THIS THESIS .................................................................. 9 THE RIBOSOME ............................................................................... 10 The coordinated assembly of a ribosome .....
The copy numbers of 16S rRNA genes in 12 probiotic Lactobacillus strains of poultry origin were analyzed. Genomic DNA of the strains was digested with restriction endonucleases that do not cut within the 16S rRNA gene of the strains. This was followed by Southern hybridization with a biotinylated probe complementary to the 16S rRNA gene. The copy number of the 16S rRNA gene within a Lactobacill...
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 ...
BACKGROUND Tyrophagus putrescentiae (Acari: Astigmata) and Fusarium sp. co-occur in poorly managed grain. In a laboratory experiment, mite grazing resulted in significant reduction of fungal mycelium on cultivation plates. The destruction of mycelium appeared to be a result of an interaction between the mites, fungi and associated bacteria. METHODOLOGY AND PRINCIPAL FINDINGS A laboratory expe...
The kakapo, a parrot endemic to New Zealand, is currently the focus of intense research and conservation efforts with the aim of boosting its population above the current 'critically endangered' status. While virtually nothing is known about the microbiology of the kakapo, given the acknowledged importance of gut-associated microbes in vertebrate nutrition and pathogen defense, it should be of ...
Paleomicrobiological investigations of a 14(th)-century coprolite found inside a barrel in Namur, Belgium were done using microscopy, a culture-dependent approach and metagenomics. Results were confirmed by ad hoc PCR--sequencing. Investigations yielded evidence for flora from ancient environment preserved inside the coprolite, indicated by microscopic observation of amoebal cysts, plant fibers...
When cells of S. typhimurium were heated at 48 C for 30 min in phosphate buffer (pH 6.0), they became sensitive to Levine Eosin Methylene Blue Agar containing 2% NaCl (EMB-NaCl). The inoculation of injured cells into fresh growth medium supported the return of their normal tolerance to EMB-NaCl within 6 hr. The fractionation of ribosomal ribonucleic acid (rRNA) from unheated and heat-injured ce...
Let R be a regular ring essentially of finite type over a perfect field k. An R–module M is called a unit R[F ]–module if it comes equipped with an isomorphism F M −→ M where F denotes the Frobenius map on SpecR, and F e∗ is the associated pullback functor. It is well known that M then carries a natural DR–module structure. In this paper we investigate the relation between the unit R[F ]–struct...
We have probed the structure and dynamics of ribosomal RNA in the Escherichia coli ribosome using equilibrium and time-resolved hydroxyl radical (OH) RNA footprinting to explore changes in the solvent-accessible surface of the rRNA with single-nucleotide resolution. The goal of these studies is to better understand the structural transitions that accompany association of the 30 S and 50 S subun...
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