Results 11 to 20 of about 2,105,688 (341)

Viral polymerase-host interaction analysis reveals that the association between avian NUP93 and PB1 promotes H5N6 avian influenza virus replication [PDF]

open access: yesMicrobiology Spectrum
The H5N6 avian influenza virus, a highly pathogenic strain, poses a significant threat to poultry production and public health. The RNA-dependent RNA polymerase (comprising PB1, PB2, and PA proteins) and nucleoprotein of highly pathogenic avian influenza
Lei Cao   +10 more
doaj   +2 more sources

A Single Amino Acid Change to Taq DNA Polymerase Enables Faster PCR, Reverse Transcription and Strand-Displacement

open access: yesFrontiers in Bioengineering and Biotechnology, 2021
A change of an aspartic acid to asparagine of Taq (Thermus aquaticus) DNA polymerase is a gain of function mutation that supports faster PCR: the extension times for PCR amplification can be 2–3 times shorter.
Wayne M. Barnes   +3 more
doaj   +1 more source

Phenotypic Characterization of Sulfolobus islandicus Strains Lacking the B-Family DNA Polymerases PolB2 and PolB3 Individually and in Combination

open access: yesFrontiers in Microbiology, 2021
Across the three domains of life, B-family DNA polymerases play a variety of roles in both DNA repair and DNA replication processes. We examine the phenotypic consequences of loss of the putative repair polymerases PolB2 and/or PolB3 in the crenarchaeon ...
Peter B. Bohall   +3 more
doaj   +1 more source

Characteristics of Pan-Cancer Patients With Ultrahigh Tumor Mutation Burden

open access: yesFrontiers in Oncology, 2021
BackgroundTumor mutation burden has been proven to be a good predictor for the efficacy of immunotherapy, especially in patients with hypermutation. However, most research focused on the analysis of hypermutation in individual tumors, and there is a lack
Hong Yuan   +13 more
doaj   +1 more source

Aurintricarboxylic Acid Suppresses Hepatitis B Virus Replication by Inhibition of RNase H Activity

open access: yesFrontiers in Virology, 2022
BackgroundChronic hepatitis B virus (HBV) infection is a global health threat for which there is an urgent need to develop novel therapeutics.MethodsAurintricarboxylic acid (ATA) has been demonstrated with broad-spectrum antimicrobial and antiviral ...
Meng Xu, Xiao Guan
doaj   +1 more source

Are There Mutator Polymerases? [PDF]

open access: yesThe Scientific World JOURNAL, 2003
DNA polymerases are involved in different cellular events, including genome replication and DNA repair. In the last few years, a large number of novel DNA polymerases have been discovered, and the biochemical analysis of their properties has revealed a long list of intriguing features.
García Díaz, Miguel   +4 more
openaire   +6 more sources

Bst polymerase — a humble relative of Taq polymerase

open access: yesComputational and Structural Biotechnology Journal, 2023
DNA polymerases are a superfamily of enzymes synthesizing DNA using DNA as a template. They are essential for nucleic acid metabolism and for DNA replication and repair. Modern biotechnology and molecular diagnostics rely heavily on DNA polymerases in analyzing nucleic acids.
Igor Oscorbin, Maxim Filipenko
openaire   +3 more sources

Prophylaxis and treatment of influenza: options, antiviral susceptibility, and existing recommendations

open access: yesGMS Infectious Diseases, 2021
Influenza viruses of types A and B attack 5–10% of adults and 20–30% of children, thereby causing millions of acute respiratory infections in Germany annually.
Duwe, Susanne C.   +6 more
doaj   +1 more source

Chronic Hepatitis B Treatment Strategies Using Polymerase Inhibitor-Based Combination Therapy

open access: yesViruses, 2021
Viral polymerase is an essential enzyme for the amplification of the viral genome and is one of the major targets of antiviral therapies. However, a serious concern to be solved in hepatitis B virus (HBV) infection is the difficulty of eliminating ...
Eriko Ohsaki   +2 more
doaj   +1 more source

DNA Helicase–Polymerase Coupling in Bacteriophage DNA Replication

open access: yesViruses, 2021
Bacteriophages have long been model systems to study the molecular mechanisms of DNA replication. During DNA replication, a DNA helicase and a DNA polymerase cooperatively unwind the parental DNA.
Chen-Yu Lo, Yang Gao
doaj   +1 more source

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