Mostrando 20,221 - 20,240 Resultados de 20,464 Para Buscar '"primer"', tiempo de consulta: 0.33s Limitar resultados
  1. 20221
  2. 20222
    “…Lastly, we report multiple systematic errors that occurred when following the ARTIC Network SARS-CoV-2 tiled amplicon approach using the V3 primers and Nanopore sequencing, which led to the masking of some of the important signature mutations in the Delta sequences. …”
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  3. 20223
  4. 20224
  5. 20225
  6. 20226
    “…Reverse transcription-polymerase chain reaction (RT-PCR) with species-specific primers and indirect enzyme-linked immunosorbent assay (ELISA) with anti-coat protein antisera were developed for virus detection in the field [see Additional file 1]. …”
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  7. 20227
    “…Plantago maxima has one 35S and two 5S rDNA loci, located on the acrocentric chromosome pair. Eight variable ISSR primers yielded 100 fragments, of which 74.6% were polymorphic (mean H(e) = 0.220). …”
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  8. 20228
  9. 20229
    “…Moreover, with a minor modification of previously developed primers, the same method was successfully applied for the analysis of SARS-CoV-2 positive samples, implying the ease of adapting TaME-seq2 to other viruses. …”
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  10. 20230
    “…The drugs were selected based on the frequent usage in veterinary medicine in the study area. By using particular primers, the presence of the resistance (mecA and blaZ), and thermonuclease (nuc) genes were determined by polymerase chain reaction (PCR). …”
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  11. 20231
    “…Eighth-generation adhesives may be applied with total etch, selective-etch or self-conditioning, and serve as primers for non-dental substrates. Aim: To determine the bonding characteristics of universal adhesives applied to the deep pulp wall with different strategies, by means of shear bond strength and laser microscopy. …”
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  12. 20232
    “…Then, β-CoV-positive samples were subjected to RT-PCR using specific primers to identify the Embecovirus subgenus. Out of 32 analyzed samples, 30 (93.8%) tested positive for at least one CoV genus. β-, α-, or unclassified CoVs were identified in 24 (80%), 1 (3.3%), and 1 (3.3%) of the positive samples, respectively. …”
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  13. 20233
    “…The amino acid sequences contained features similar to those found in other vertebrate HSP90 and SOD1 sequences, and the phylogenetic tree and synteny analysis provided conclusive evidence of their relationship to other vertebrate HSP90 and SOD1 genes. Primers were designed for qPCR to enable the expression of all copies of HSP90 and SOD1 to be analysed. …”
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  14. 20234
    “…Despite identifying three different substitutions in the CDC’s Monkeypox Virus Generic Real-Time PCR Test’s primers, results from ANOVA did not suggest a mean difference in cycle threshold values between assays. …”
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  15. 20235
    “…[Figure: see text] RESULTS: Methods were optimized for multiple variables, including volume, duration, flow of air sampling; culturing techniques (direct impact plates, cultures at different stages of filter processing); filter DNA recovery (extraction protocols, stage of filter processing); PCR (targets, primers, PCR parameters). To date, we have surveyed each unit ≥4 times. …”
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  16. 20236
    “…Eluents from sponges and swabs were used for both culture-based quantification and qPCR using FungiQuant primers and probe for the fungal 18S rRNA gene. RESULTS: 20 experiments were completed for each combination of species (n=2), study surface (n=4), sampling method (n=3) and quantification method (n=2) resulting in 960 total samples. …”
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  17. 20237
    “…Using in-house designed gene-specific primers, 18 different antibiotic resistance genes (algJ, alpB, AQU-1, CEPH-A3, ciaB, CMY-1-MOX-7, CMY-1-MOX-9, CMY-1/MOX, cphA2, cphA5, cphA7, ebpA, ECP_4655, fliC, OXA-51, RfbU, ThiU2, and tolB) from 46 strains were selected and validated. …”
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  18. 20238
    “…This was confirmed by PCR amplification and sequencing using primers that flank the IR/LSC boundaries. Repeat analysis identified 29 direct and inverted repeats 30 bp or longer with a sequence identity ≥ 90%. …”
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  19. 20239
    “…RESULTS: Y chromosome fragments were amplified and sequenced using primers that included the entire Sry coding region and flanking sequences. …”
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  20. 20240
    por Lee, Lesley, Tin, Sara, Kelley, Scott T
    Publicado 2007
    “…We also extracted DNA directly from nine representative swab samples taken over the course of the study from both toy and furniture surfaces, and used "universal" 16S rRNA gene bacterial primers to create PCR-based clone libraries. The rRNA gene clones were sequenced, and the sequences were compared with related sequences in GenBank and subjected to phylogenetic analyses to determine their evolutionary relationships. …”
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