Search Results - "Bebenek, Anna"
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Fidelity consequences of the impaired interaction between DNA polymerase epsilon and the GINS complex
Published in DNA repair (01-05-2015)“…•The dpb2-100 allele encodes the mutant form of Dpb2p, the noncatalytic subunit of Pol ɛ.•It does not change the biochemical properties of DNA Pol ɛ…”
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2
Fidelity of DNA replication—a matter of proofreading
Published in Current genetics (01-10-2018)“…DNA that is transmitted to daughter cells must be accurately duplicated to maintain genetic integrity and to promote genetic continuity. A major function of…”
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A remote palm domain residue of RB69 DNA polymerase is critical for enzyme activity and influences the conformation of the active site
Published in PloS one (07-10-2013)“…Non-conserved amino acids that are far removed from the active site can sometimes have an unexpected effect on enzyme catalysis. We have investigated the…”
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4
Clusters of Mutations from Transient Hypermutability
Published in Proceedings of the National Academy of Sciences - PNAS (06-09-2005)“…Collections of mutants usually contain more mutants bearing multiple mutations than expected from the mutant frequency and a random distribution of mutations…”
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5
Interacting Fidelity Defects in the Replicative DNA Polymerase of Bacteriophage RB69
Published in The Journal of biological chemistry (30-03-2001)“…The DNA polymerases (gp43s) of the related bacteriophages T4 and RB69 are B family (polymerase α class) enzymes that determine the fidelity of phage DNA…”
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6
Varying thermodynamic conditions as a new way to tune the molecular order in glassy itraconazole
Published in Journal of molecular liquids (15-07-2019)“…In this paper, comprehensive calorimetric, structural, inter- and intramolecular dynamics measurements with the use of Differential Scanning Calorimetry (DSC),…”
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7
Dissecting the Fidelity of Bacteriophage RB69 DNA Polymerase: Site-Specific Modulation of Fidelity by Polymerase Accessory Proteins
Published in Genetics (Austin) (01-11-2002)“…Bacteriophage RB69 encodes a replicative B-family DNA polymerase (RB69 gp43) with an associated proofreading 3' exonuclease. Crystal structures have been…”
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DNA replication fidelity
Published in Postępy biochemii (2008)“…DNA replication fidelity plays fundamental role in faithful transmission of genetic material during cell division and during transfer of genetic material from…”
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9
Reversal of a Mutator Activity by a Nearby Fidelity-Neutral Substitution in the RB69 DNA Polymerase Binding Pocket
Published in Journal of molecular biology (17-12-2010)“…Phage RB69 B-family DNA polymerase is responsible for the overall high fidelity of RB69 DNA synthesis. Fidelity is compromised when conserved Tyr567, one of…”
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10
Different Behaviors In Vivo of Mutations in the β Hairpin Loop of the DNA Polymerases of the Closely Related Phages T4 and RB69
Published in Journal of molecular biology (26-06-2009)“…The T4 and RB69 DNA replicative polymerases are members of the B family and are highly similar. Both replicate DNA with high fidelity and employ the same…”
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11
Prokaryotic primases - structure and function
Published in Postępy biochemii (22-03-2019)“…Primases are responsible for the synthesis of a short oligo RNA, which serves as primer for DNA polymerase. Primases play an essential role in the initiation…”
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12
A Remote Palm Domain Residue of RB69 DNA Polymerase Is Critical for Enzyme Activity and Influences the Conformation of the Active Site: e76700
Published in PloS one (01-10-2013)“…Non-conserved amino acids that are far removed from the active site can sometimes have an unexpected effect on enzyme catalysis. We have investigated the…”
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13
The L561A Substitution in the Nascent Base-Pair Binding Pocket of RB69 DNA Polymerase Reduces Base Discrimination
Published in Biochemistry (Easton) (21-02-2006)“…Several variants of RB69 DNA polymerase (RB69 pol) with single-site replacements in the nascent base-pair binding pocket are less discriminating with respect…”
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14
The Roles of Tyr391 and Tyr619 in RB69 DNA Polymerase Replication Fidelity
Published in Journal of molecular biology (20-04-2007)“…In the family-B DNA polymerase of bacteriophage RB69, the conserved aromatic palm-subdomain residues Tyr391 and Tyr619 interact with the last primer–template…”
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15
Processivity Clamp gp45 and ssDNA-Binding-Protein gp32 Modulate the Fidelity of Bacteriophage RB69 DNA Polymerase in a Sequence-Specific Manner, Sometimes Enhancing and Sometimes Compromising Accuracy
Published in Genetics (Austin) (01-03-2005)“…Numerous studies of the impact of accessory proteins upon the fidelity of DNA synthesis have provided a complex and sometimes discordant picture. We previously…”
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16
Processivity Clamp gp45 and ssDNA-Binding-Protein gp32 Modulate the Fidelity of Bacteriophage RB69 DNA Polymerase in a Sequence-Specific Manner, Sometimes Enhancing and Sometimes Compromising Accuracy
Published in Genetics (Austin) (01-04-2005)“…Numerous studies of the impact of accessory proteins upon the fidelity of DNA synthesis have provided a complex and sometimes discordant picture. We previously…”
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17
Bacteriophage T4 rnh (RNase H) Null Mutations: Effects on Spontaneous Mutation and Epistatic Interaction withrII Mutations
Published in Journal of Bacteriology (15-05-1999)“…Article Usage Stats Services JB Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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18
The isfA mutation specifically inhibits the SOS-dependent mutagenic pathway and does not selectively affect any particular base substitution
Published in Mutagenesis (01-05-1999)“…We have previously described a new mutation in Escherichia coli, isfA, which causes inhibition of SOS mutagenesis (UV-induced in rec+ and spontaneous in…”
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Bacteriophage T4 rnh (RNase H) null mutations: effects on spontaneous mutation and epistatic interaction with rII mutations
Published in Journal of bacteriology (01-05-1999)“…The bacteriophage T4 rnh gene encodes T4 RNase H, a relative of a family of flap endonucleases. T4 rnh null mutations reduce burst sizes, increase sensitivity…”
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A new mutation in Escherichia coli K12, isfA, which is responsible for inhibition of SOS functions
Published in Molecular & general genetics (22-07-1995)“…A new mutation in Escherichia coli K12, isfA, is described, which causes inhibition of SOS functions. The mutation, discovered in a delta polA+ mutant, is…”
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