Search Results - "Hickman, Alison B"
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Structural basis of seamless excision and specific targeting by piggyBac transposase
Published in Nature communications (10-07-2020)“…The piggyBac DNA transposon is used widely in genome engineering applications. Unlike other transposons, its excision site can be precisely repaired without…”
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2
Breaking and joining single-stranded DNA: the HUH endonuclease superfamily
Published in Nature reviews. Microbiology (01-08-2013)“…Key Points HUH endonucleases contain the characteristic HUH motif (in which U represents a hydrophobic residue) and a Y motif, containing either one or two Tyr…”
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3
Zinc-finger BED domains drive the formation of the active Hermes transpososome by asymmetric DNA binding
Published in Nature communications (25-07-2023)“…The Hermes DNA transposon is a member of the eukaryotic hAT superfamily, and its transposase forms a ring-shaped tetramer of dimers. Our investigation,…”
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Helraiser intermediates provide insight into the mechanism of eukaryotic replicative transposition
Published in Nature communications (29-03-2018)“…Helitrons are eukaryotic DNA transposons that have profoundly affected genome variability via capture and mobilization of host genomic sequences. Defining…”
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Molecular basis for the transcriptional regulation of an epoxide-based virulence circuit in Pseudomonas aeruginosa
Published in Nucleic acids research (11-11-2024)“…The opportunistic pathogen Pseudomonas aeruginosa infects the airways of people with cystic fibrosis (CF) and produces a virulence factor Cif that is…”
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Mechanisms of DNA Transposition
Published in Microbiology spectrum (01-04-2015)“…DNA transposases use a limited repertoire of structurally and mechanistically distinct nuclease domains to catalyze the DNA strand breaking and rejoining…”
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Mechanisms of Evolution in High-Consequence Drug Resistance Plasmids
Published in mBio (06-12-2016)“…The dissemination of resistance among bacteria has been facilitated by the fact that resistance genes are usually located on a diverse and evolving set of…”
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Casposase structure and the mechanistic link between DNA transposition and spacer acquisition by CRISPR-Cas
Published in eLife (08-01-2020)“…Key to CRISPR-Cas adaptive immunity is maintaining an ongoing record of invading nucleic acids, a process carried out by the Cas1-Cas2 complex that integrates…”
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Structural Basis of hAT Transposon End Recognition by Hermes, an Octameric DNA Transposase from Musca domestica
Published in Cell (17-07-2014)“…Hermes is a member of the hAT transposon superfamily that has active representatives, including McClintock’s archetypal Ac mobile genetic element, in many…”
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Polymerization and nucleic acid-binding properties of human L1 ORF1 protein
Published in Nucleic acids research (01-01-2012)“…The L1 (LINE 1) retrotransposable element encodes two proteins, ORF1p and ORF2p. ORF2p is the L1 replicase, but the role of ORF1p is unknown. Mouse ORF1p, a…”
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DNA Transposition at Work
Published in Chemical reviews (26-10-2016)“…DNA transposons are defined segments of DNA that are able to move from one genomic location to another. Movement is facilitated by one or more proteins, called…”
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A retrotransposon for site-specific gene transfer
Published in Nature biotechnology (18-03-2024)Get full text
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The casposon-encoded Cas1 protein from Aciduliprofundum boonei is a DNA integrase that generates target site duplications
Published in Nucleic acids research (15-12-2015)“…Many archaea and bacteria have an adaptive immune system known as CRISPR which allows them to recognize and destroy foreign nucleic acid that they have…”
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A Model for Transposition of the Colistin Resistance Gene mcr-1 by ISApl1
Published in Antimicrobial agents and chemotherapy (01-11-2016)“…Analysis of mcr-1-containing sequences identified a common ∼2,607-bp DNA segment that in many cases is flanked on one or both ends by ISApl1 We present…”
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Three New Structures of the Core Domain of HIV-1 Integrase: An Active Site that Binds Magnesium
Published in Proceedings of the National Academy of Sciences - PNAS (04-08-1998)“…HIV-1 integrase is an essential enzyme in the life cycle of the virus, responsible for catalyzing the insertion of the viral genome into the host cell…”
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Structures of ISCth4 transpososomes reveal the role of asymmetry in copy‐out/paste‐in DNA transposition
Published in The EMBO journal (04-01-2021)“…Copy‐out/paste‐in transposition is a major bacterial DNA mobility pathway. It contributes significantly to the emergence of antibiotic resistance, often by…”
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The large bat Helitron DNA transposase forms a compact monomeric assembly that buries and protects its covalently bound 5′-transposon end
Published in Molecular cell (21-10-2021)“…Helitrons are widespread eukaryotic DNA transposons that have significantly contributed to genome variability and evolution, in part because of their…”
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Crystal Structure of the Catalytic Domain of HIV-1 Integrase: Similarity to Other Polynucleotidyl Transferases
Published in Science (American Association for the Advancement of Science) (23-12-1994)“…HIV integrase is the enzyme responsible for inserting the viral DNA into the host chromosome; it is essential for HIV replication. The crystal structure of the…”
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Toxic antiphage defense proteins inhibited by intragenic antitoxin proteins
Published in Proceedings of the National Academy of Sciences - PNAS (01-08-2023)“…Recombination-promoting nuclease (Rpn) proteins are broadly distributed across bacterial phyla, yet their functions remain unclear. Here, we report that these…”
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Transposase N-terminal phosphorylation and asymmetric transposon ends inhibit piggyBac transposition in mammalian cells
Published in Nucleic acids research (09-12-2022)“…DNA transposon systems are widely used in mammalian cells for genetic modification experiments, but their regulation remains poorly understood. We used…”
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