نتایج جستجو برای: pseudo attp site
تعداد نتایج: 402461 فیلتر نتایج به سال:
The objective of this paper is to find an empirical hyperspectral absolute calibration model using Libya 4 pseudo invariant site (PICS). approach involves the Landsat 8 (L8) Operational Land Imager (OLI) as reference radiometer and Earth Observing One (EO-1) Hyperion, with a spectral resolution 10 nm source. This utilizes data from region interest (ROI) in “optimal region” 3% temporal, spatial,...
Since it is not possible to compute E-scores for 10-mers from PBM data, we used 10-mer pseudo-intensities to perform an analysis similar to the one described in the main text for 8-mer E-scores. We estimated the 10-mers intensities from the 7-mer and 8-mer median intensities. Let X = X1X2 . . . Xk be a DNA site of length k, with Ik(X) it’s median intensity, and Ek(X) it’s energy. Then the inten...
Summary Amino acid starvation is sensed by Escherichia coli RelA and Bacillus subtilis Rel through monitoring the aminoacylation status of ribosomal A-site tRNA. These enzymes are positively regulated their product—the alarmone nucleotide (p)ppGpp—through an unknown mechanism. The (p)ppGpp-synthetic activity Rel/RelA controlled via auto-inhibition hydrolase/pseudo-hydrola...
OBJECTIVE To determine the effects of applying vancomycin powder within the surgical wound on the risk of surgical infections, pseudo-arthrosis and adverse events, in patients undergoing spinal surgery. MATERIAL AND METHODS A meta-analysis was carried out, including controlled studies that evaluated the risk of postoperative infections and/or pseudo-arthrosis in patients undergoing spinal sur...
We study the problem of variable selection for linear models under the high-dimensional asymptotic setting, where the number of observations n grows at the same rate as the number of predictors p. We consider two-stage variable selection techniques (TVS) in which the first stage uses bridge estimators to obtain an estimate of the regression coefficients, and the second stage simply thresholds t...
This study, tries to suggest a design method based on displacement using finite difference numerical modeling in reinforcing soil retaining wall with steel strip. In this case, dynamic loading characteristics such as duration, frequency, peak ground acceleration, geometrical characteristics of reinforced soil structure and type of the site are considered to correct the pseudo static method and ...
Bacteria in the genus Streptomyces and its close relatives are prolific producers of secondary metabolites with antibiotic activity. Genome sequencing of these bacteria has revealed a rich source of potentially new antibiotic pathways, whose products have never been observed. Moreover, these new pathways can provide novel genes that could be used in combinatorial biosynthesis approaches to gene...
Over the past decade, the integrase enzyme from phage phiC31 has proven to be a useful genome engineering tool in a wide variety of species, including mammalian cells. The enzyme efficiently mediates recombination between two distinct sequences, attP and attB, producing recombinant product sites, attL and attR. The reaction proceeds exclusively in a unidirectional manner, because integrase is u...
Phage WPhi is a member of the nonlambdoid P2 family of temperate phages. The DNA sequence of the whole early-control region and the int and attP region of phage WPhi has been determined. The phage integration site was located at 88.6 min of the Escherichia coli K-12 map, where a 47-nucleotide sequence was found to be identical in the host and phage genomes. The WPhi Int protein belongs to the I...
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