نتایج جستجو برای: dna primers
تعداد نتایج: 520069 فیلتر نتایج به سال:
BACKGROUND MicroRNAs are important regulators of gene expression at the post-transcriptional level and play an important role in many biological processes. Due to the important biological role it is of great interest to quantitatively determine their expression level in different biological settings. RESULTS We describe a PCR method for quantification of microRNAs based on a single reverse tr...
Background: White spot syndrome virus (wssv) is the causing agent for white spot disease in shrimp and many crustaceans. This disease is highly contagious and can cause death within 3–10 days under normal culture conditions. Therefore, early diagnosis of the virus is a necessity. Materials and Methods: Primers were designed for three regions of the virus genome and one region of the shrimp geno...
The analysis of quantitative PCR data usually does not take into account the fact that the increase in fluorescence depends on the monitoring chemistry, the input of ds-DNA or ss-cDNA, and the directionality of the targeting of probes or primers. The monitoring chemistries currently available can be categorized into six groups: (A) DNA-binding dyes; (B) hybridization probes; (C) hydrolysis prob...
Genus and Species. Ovis aries. Locus. Ovine DNA segment OarTMR1 associated with ovine v-akt1 murine thymoma viral oncogene homolog 1 (AKT1) and ovine DNA segment OB2 associated with ovine bradykinin receptor B2 (BDKRB2). Source and Description of Primers. Primers for AKT1 (GenBank accession no. AF207873) were obtained from Scott Fahrenkrug, USDA-MARC, Clay Center, Nebraska, and were sent to Dan...
Free-living N2-fixing Frankia strains isolated from Casuarina sp. were investigated for genomic polymorphism. We used six 10-mer oligonucleotides as single arbitrary primers (AP) for the polymerase chain reaction (PCR) in order to amplify random DNA fragments in the genome of free-living Frankia strains. Agarose-gels of the amplified genomic DNA revealed that two of the six arbitrary primers sh...
SUMMARY We developed a program named MFEprimer for evaluating the specificity of PCR primers based on multiple factors, including sequence similarity, stability at the 3'-end of the primer, melting temperature, GC content and number of binding sites between the primer and DNA templates. MFEprimer can help the user to select more suitable primers before running either standard or multiplex PCR r...
In the present paper, the experience with detection of intron 22 inversion of F8C gene in severe hemophilia A patients using a recently described long-distance PCR (LD-PCR) method was reported. To test the sensitivity and the specifity of the LD-PCR, analysis of 46 DNA samples of patients and their family members, previously tested by Southern hybridization, was performed. In addition, 16 DNA s...
Primer retention owing to the absence of RNase H1 is catastrophic for mitochondrial DNA replication.
Encoding ribonuclease H1 (RNase H1) degrades RNA hybridized to DNA, and its function is essential for mitochondrial DNA maintenance in the developing mouse. Here we define the role of RNase H1 in mitochondrial DNA replication. Analysis of replicating mitochondrial DNA in embryonic fibroblasts lacking RNase H1 reveals retention of three primers in the major noncoding region (NCR) and one at the ...
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