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3 results about "Processivity" patented technology
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In molecular biology and biochemistry, processivity is an enzyme's ability to catalyze "consecutive reactions without releasing its substrate". For example, processivity is the average number of nucleotides added by a polymerase enzyme, such as DNA polymerase, per association event with the template strand. Because the binding of the polymerase to the template is the rate-limiting step in DNA synthesis, the overall rate of DNA replication during S phase of the cell cycle is dependent on the processivity of the DNA polymerases performing the replication. DNA clamp proteins are integral components of the DNA replication machinery and serve to increase the processivity of their associated polymerases. Some polymerases add over 50,000 nucleotides to a growing DNA strand before dissociating from the template strand, giving a replication rate of up to 1,000 nucleotides per second.
Improved thermostable viral reverse transcriptase
The present invention provides novel engineered reverse transcriptase enzymes that afford beneficial improvements in thermal stability, processivity, cDNA yields and elimination of secondary enzymatic activity. The present invention also provides methods for amplifying template nucleic acids using such reverse transcriptase enzymes. This invention addresses deficiencies in the current state of the art reverse transcriptase enzymes in RNA detection and analysis including deficiencies in detection sensitivity, specificity, side enzyme activities, enzyme stability and synthesis capacity, especially when using template nucleic acids ranging in length, secondary structure and nucleotide content.
Owner:QIAGEN BEVERLY LLC
Creation of low-lignin content bmr mutant of sorghum and its application
This invention discloses the creation of a low-lignin-content sorghum BMR mutant gene and its application, belonging to the field of genetic engineering technology. The BMR mutant gene includes (1) bmr6-m, which is obtained by site-directed mutagenesis of the SbCAD2 / BMR6 gene as shown in SEQ ID NO.1, with the nucleotide sequence shown in SEQ ID NO.20; and (2) bmr12-m, which is obtained by site-directed mutagenesis of the SbCOMT / BMR12 gene with the nucleotide sequence shown in SEQ ID NO.2, with the nucleotide sequence shown in SEQ ID NO.21. Based on the obtained sorghum BMR mutant gene, while reducing the lignin content of sorghum and weakening the biomass anti-degradation barrier, mutant materials without transgenic element insertion and with easily identifiable phenotypes are also obtained, laying the foundation for simultaneously improving the feed quality and industrial processing performance of sorghum.
Owner:INSTITUTE OF CROP SCIENCE CHINESE ACADEMY OF AGRICULTURAL SCIENCES
Recombinant reverse transcriptase with improved processivity
The present disclosure provides a recombinant reverse transcriptase with improved sustained synthesis capability and uses thereof. In one embodiment, the recombinant reverse transcriptase is a fusion protein comprising a reverse transcriptase and a cold shock protein.
Owner:FEIPENG LIFE SCIENCES CO LTD +1