Search Results - "Rao, Desirazu N"
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Promiscuous DNA cleavage by HpyAII endonuclease is modulated by the HNH catalytic residues
Published in Bioscience reports (30-09-2020)“…Helicobacter pylori is a carcinogenic bacterium that is responsible for 5.5% of all human gastric cancers. H. pylori codes for an unusually large number of…”
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2
Mechanism of formation of a toroid around DNA by the mismatch sensor protein
Published in Nucleic acids research (09-01-2018)“…Abstract The DNA mismatch repair (MMR) pathway removes errors that appear during genome replication. MutS is the primary mismatch sensor and forms an…”
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3
Identification of the periplasmic DNA receptor for natural transformation of Helicobacter pylori
Published in Nature communications (25-11-2019)“…Horizontal gene transfer through natural transformation is a major driver of antibiotic resistance spreading in many pathogenic bacterial species. In the case…”
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4
The C-terminal domain is sufficient for endonuclease activity of Neisseria gonorrhoeae MutL
Published in Biochemical journal (15-10-2009)“…The mutL gene of Neisseria gonorrhoeae has been cloned and the gene product purified. We have found that the homodimeric N. gonorrhoeae MutL (NgoL) protein…”
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Comparative transcriptomics of H. pylori strains AM5, SS1 and their hpyAVIBM deletion mutants: possible roles of cytosine methylation
Published in PloS one (03-08-2012)“…Helicobacter pylori is an important human pathogen and one of the most successful chronic colonizers of the human body. H. pylori uses diverse mechanisms to…”
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Correction to: Mutations in the nucleotide binding and hydrolysis domains of helicobacter pylori MutS2 lead to altered biochemical activities and inactivation of its in vivo function
Published in BMC microbiology (19-08-2019)“…Following publication of the original article [1], the authors notified us of an error in the presentation of Fig. 6G…”
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7
Structure, function and mechanism of exocyclic DNA methyltransferases
Published in Biochemical journal (15-10-2006)“…DNA MTases (methyltransferases) catalyse the transfer of methyl groups to DNA from AdoMet (S-adenosyl-L-methionine) producing AdoHcy…”
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8
Functional analysis of an acid adaptive DNA adenine methyltransferase from Helicobacter pylori 26695
Published in PloS one (09-02-2011)“…HP0593 DNA-(N(6)-adenine)-methyltransferase (HP0593 MTase) is a member of a Type III restriction-modification system in Helicobacter pylori strain 26695…”
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Role(s) of Acetylation in human pathogen Helicobacter pylori
Published in The FASEB journal (01-05-2022)“…Helicobacter pyloris (H.pylori) a Gram‐negative bacterium whose infection of the human stomach triggers a chronic gastritis that can evolve into a series of…”
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10
Role of DNA methyltransferases in epigenetic regulation in bacteria
Published in Sub-cellular biochemistry (2013)“…In prokaryotes, alteration in gene expression was observed with the modification of DNA, especially DNA methylation. Such changes are inherited from generation…”
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11
Distinct properties of hexameric but functionally conserved Mycobacterium tuberculosis transcription-repair coupling factor
Published in PloS one (29-04-2011)“…Transcription coupled nucleotide excision repair (TC-NER) is involved in correcting UV-induced damage and other road-blocks encountered in the transcribed…”
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12
Fast-scan atomic force microscopy reveals that the type III restriction enzyme EcoP15I is capable of DNA translocation and looping
Published in Proceedings of the National Academy of Sciences - PNAS (31-07-2007)“…Many DNA-modifying enzymes act in a manner that requires communication between two noncontiguous DNA sites. These sites can be brought into contact either by a…”
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13
Insights into the Functional Roles of N-Terminal and C-Terminal Domains of Helicobacter pylori DprA
Published in PloS one (02-07-2015)“…DNA processing protein A (DprA) plays a crucial role in the process of natural transformation. This is accomplished through binding and subsequent protection…”
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14
Structural similarities between SAM and ATP recognition motifs and detection of ATP binding in a SAM binding DNA methyltransferase
Published in Current research in structural biology (2023)“…S-adenosylmethionine (SAM) is a ubiquitous co-factor that serves as a donor for methylation reactions and additionally serves as a donor of other functional…”
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15
The nuclease activities of both the Smr domain and an additional LDLK motif are required for an efficient anti‐recombination function of Helicobacter pylori MutS2
Published in Molecular microbiology (01-06-2015)“…Summary Helicobacter pylori, a human pathogen, is a naturally and constitutively competent bacteria, displaying a high rate of intergenomic recombination…”
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16
The C-terminal domain of the MutL homolog from Neisseria gonorrhoeae forms an inverted homodimer
Published in PloS one (28-10-2010)“…The mismatch repair (MMR) pathway serves to maintain the integrity of the genome by removing mispaired bases from the newly synthesized strand. In E. coli,…”
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17
A nucleotide insertion between two adjacent methyltransferases in Helicobacter pylori results in a bifunctional DNA methyltransferase
Published in Biochemical journal (01-02-2011)“…Helicobacter pylori has a dynamic R-M (restriction-modification) system. It is capable of acquiring new R-M systems from the environment in the form of DNA…”
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18
Mutations in the nucleotide binding and hydrolysis domains of Helicobacter pylori MutS2 lead to altered biochemical activities and inactivation of its in vivo function
Published in BMC microbiology (03-02-2016)“…Helicobacter pylori MutS2 (HpMutS2), an inhibitor of recombination during transformation is a non-specific nuclease with two catalytic sites, both of which are…”
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19
Type III restriction-modification enzymes: a historical perspective
Published in Nucleic acids research (01-01-2014)“…Restriction endonucleases interact with DNA at specific sites leading to cleavage of DNA. Bacterial DNA is protected from restriction endonuclease cleavage by…”
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Characterization of an N⁶ adenine methyltransferase from Helicobacter pylori strain 26695 which methylates adjacent adenines on the same strand
Published in The FEBS journal (01-04-2010)“…Genomic sequences of Helicobacter pylori strains 26695, J99, HPAGI and G27 have revealed an abundance of restriction and modification genes. hp0050, which…”
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