Search Results - "Craig, Jonathan M"
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Revealing dynamics of helicase translocation on single-stranded DNA using high-resolution nanopore tweezers
Published in Proceedings of the National Academy of Sciences - PNAS (07-11-2017)“…Enzymes that operate on DNA or RNA perform the core functions of replication and expression in all of biology. To gain high-resolution access to the detailed…”
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Nanopores map the acid-base properties of a single site in a single DNA molecule
Published in Nucleic acids research (22-07-2024)“…Abstract Nanopores are increasingly powerful tools for single molecule sensing, in particular, for sequencing DNA, RNA and peptides. This success has spurred…”
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Observing inhibition of the SARS-CoV-2 helicase at single-nucleotide resolution
Published in Nucleic acids research (22-09-2023)“…The genome of SARS-CoV-2 encodes for a helicase (nsp13) that is essential for viral replication and highly conserved across related viruses, making it an…”
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Enzymatic synthesis and nanopore sequencing of 12-letter supernumerary DNA
Published in Nature communications (26-10-2023)“…The 4-letter DNA alphabet (A, T, G, C) as found in Nature is an elegant, yet non-exhaustive solution to the problem of storage, transfer, and evolution of…”
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Investigating asymmetric salt profiles for nanopore DNA sequencing with biological porin MspA
Published in PloS one (27-07-2017)“…Nanopore DNA sequencing is a promising single-molecule analysis technology. This technique relies on a DNA motor enzyme to control movement of DNA precisely…”
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Direct Detection of Unnatural DNA Nucleotides dNaM and d5SICS using the MspA Nanopore
Published in PloS one (20-11-2015)“…Malyshev et al. showed that the four-letter genetic code within a living organism could be expanded to include the unnatural DNA bases dNaM and d5SICS…”
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Decoding long nanopore sequencing reads of natural DNA
Published in Nature biotechnology (01-08-2014)“…Laszlo et al . demonstrate sequence alignment, and proof-of-concept organism identification, genome assembly and polymorphism detection from nanopore analysis…”
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Subangstrom single-molecule measurements of motor proteins using a nanopore
Published in Nature biotechnology (01-10-2015)“…The movement of single motor proteins on DNA is measured at subangstrom resolution using a nanopore. Techniques for measuring the motion of single motor…”
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UPF1 mutants with intact ATPase but deficient helicase activities promote efficient nonsense-mediated mRNA decay
Published in Nucleic acids research (11-11-2022)“…The conserved RNA helicase UPF1 coordinates nonsense-mediated mRNA decay (NMD) by engaging with mRNAs, RNA decay machinery and the terminating ribosome. UPF1…”
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Assessing Readability of an 8‑Letter Expanded Deoxyribonucleic Acid Alphabet with Nanopores
Published in Journal of the American Chemical Society (10-04-2023)“…Chemists have now synthesized new kinds of DNA that add nucleotides to the four standard nucleotides (guanine, adenine, cytosine, and thymine) found in…”
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Nanopore tweezers show fractional-nucleotide translocation in sequence-dependent pausing by RNA polymerase
Published in Proceedings of the National Academy of Sciences - PNAS (16-07-2024)“…RNA polymerases (RNAPs) carry out the first step in the central dogma of molecular biology by transcribing DNA into RNA. Despite their importance, much about…”
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Nanopore tweezers measurements of RecQ conformational changes reveal the energy landscape of helicase motion
Published in Nucleic acids research (14-10-2022)“…Helicases are essential for nearly all nucleic acid processes across the tree of life, yet detailed understanding of how they couple ATP hydrolysis to…”
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Determining the effects of DNA sequence on Hel308 helicase translocation along single-stranded DNA using nanopore tweezers
Published in Nucleic acids research (18-03-2019)“…Abstract Motor enzymes that process nucleic-acid substrates play vital roles in all aspects of genome replication, expression, and repair. The DNA and RNA…”
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Nanopore Sequencing of an Expanded Genetic Alphabet Reveals High-Fidelity Replication of a Predominantly Hydrophobic Unnatural Base Pair
Published in Journal of the American Chemical Society (05-02-2020)“…Unnatural base pairs (UBPs) have been developed and used for a variety of in vitro applications as well as for the engineering of semisynthetic organisms…”
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Sequence-dependent mechanochemical coupling of helicase translocation and unwinding at single-nucleotide resolution
Published in Proceedings of the National Academy of Sciences - PNAS (06-09-2022)“…We used single-molecule picometer-resolution nanopore tweezers (SPRNT) to resolve the millisecond single-nucleotide steps of superfamily 1 helicase PcrA as it…”
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Mechanism of Sequence Dependent Translocation of a Superfamily 2 Helicase on ssDNA
Published in Biophysical journal (02-02-2018)Get full text
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Taking a Closer Look at RecQ Helicase with Nanopore Tweezers
Published in Biophysical journal (15-02-2019)Get full text
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SV40 Large T Antigen Helicase Unwinds Double-Stranded DNA in Single-Nucleotide Steps as Revealed by Nanopore Tweezers
Published in Biophysical journal (07-02-2020)Get full text
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Uncovering the Molecular Basis for Sequence-Dependent Translocation in a Superfamily 2 Helicase using High-Resolution Nanopore Tweezers
Published in Biophysical journal (07-02-2020)Get full text
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