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This displaced, single-stranded copy is a mixture of target RNA and primers. The primers are designed to have a sequence that binds to the sequence itself, forming a loop. The BIP primer binds to the other end of this single strand and is used by the Bst DNA polymerase to build a complementary strand, making double-strand DNA.
The mRNA stem-loop structure forming at the ribosome binding site may control an initiation of translation. [4] [5] Stem-loop structures are also important in prokaryotic rho-independent transcription termination. The hairpin loop forms in an mRNA strand during transcription and causes the RNA polymerase to become dissociated from the DNA ...
Loop-mediated isothermal amplification (LAMP) primers [1] Loop-mediated isothermal amplification (LAMP) product [1]. In LAMP, the target sequence is amplified at a constant temperature of 60–65 °C (140–149 °F) using either two or three sets of primers and a polymerase like Bst Klenow fragment with high strand displacement activity in addition to a replication activity.
A typical molecular beacon structure can be divided in 4 parts: 1) loop, an 18–30 base pair region of the molecular beacon that is complementary to the target sequence; 2) stem formed by the attachment to both termini of the loop of two short (5 to 7 nucleotide residues) oligonucleotides that are complementary to each other; 3) 5' fluorophore ...
MS2 tagging is a technique based upon the natural interaction of the MS2 bacteriophage coat protein with a stem-loop structure from the phage genome, [1] which is used for biochemical purification of RNA-protein complexes and partnered to GFP for detection of RNA in living cells. [2]
Stem-loop 2 (SL2) (also referred to as HIV-1 SD) consists of a highly conserved 19 nt stem-loop which has been shown by mutagenesis to modulate the splicing efficiency of HIV-1 mRNAs. [ 17 ] Stem-loop 3 (SL3) consists of a highly conserved 14 nt stem-loop which was predicted and confirmed by mutagenesis and mass spectrometric detection (MS3D).
Without the presence of the loop, intrinsic termination is still able to occur. [5] This indicates that the loop is not inherently necessary for intrinsic termination. [citation needed] Generally, the absence of the uracil-rich sequence following the stem-loop will result in a delay or pause in transcription, but termination will not cease ...
In some versions of the protocol, the probe-release site (commonly a restriction site) is cleaved by restriction enzymes such that the probe becomes linearized. In this linearized probe the universal PCR primer sequences are located at the 5’ and 3’ ends and the captured genomic target becomes part of the internal segment of the probe ...
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