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Showing 1 to 12 of 40 entries
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DNA Helicases.

EcoSal Plus

Bianco PR.
PMID: 26443783
EcoSal Plus. 2010 Sep;4(1). doi: 10.1128/ecosalplus.4.4.8.

DNA and RNA helicases are organized into six superfamilies of enzymes on the basis of sequence alignments, biochemical data, and available crystal structures. DNA helicases, members of which are found in each of the superfamilies, are an essential group...

Genome-wide localization of Rrm3 and Pif1 DNA helicases at stalled active and inactive DNA replication forks of Saccharomyces cerevisiae.

Genomics data

Rossi SE, Carotenuto W, Giannattasio M.
PMID: 26981397
Genom Data. 2015 Dec 01;7:162-5. doi: 10.1016/j.gdata.2015.11.024. eCollection 2016 Mar.

The genome of the budding yeast Saccharomyces cerevisiae is sequenced and the location and dynamic of activation of DNA replication origins are known. G1 synchronized yeast cells can be released into S-phase in the presence of hydroxyurea (HU) (1),...

Active elastic dimers: self-propulsion and current reversal on a featureless track.

Physical review. E, Statistical, nonlinear, and soft matter physics

Kumar KV, Ramaswamy S, Rao M.
PMID: 18351968
Phys Rev E Stat Nonlin Soft Matter Phys. 2008 Feb;77(2):020102. doi: 10.1103/PhysRevE.77.020102. Epub 2008 Feb 06.

We present a Brownian inchworm model of a self-propelled elastic dimer in the absence of an external potential. Nonequilibrium noise together with a stretch-dependent damping form the propulsion mechanism. Our model connects three key nonequilibrium features -- position-velocity correlations,...

Determination of virulence and fitness genes associated with the .

Gut pathogens

Saile N, Schuh E, Semmler T, Eichhorn I, Wieler LH, Bauwens A, Schmidt H.
PMID: 30337962
Gut Pathog. 2018 Oct 08;10:43. doi: 10.1186/s13099-018-0271-8. eCollection 2018.

BACKGROUND: In the current study, nine foodborne "Locus of Enterocyte Effacement" (LEE)-negative Shiga toxin-producing RESULTS: In total, 293 open reading frames partially encoding putative virulence factors such as TonB-dependent receptors, DNA helicases, a hemolysin activator protein precursor, antigen 43,...

Recognition and Unfolding of c-MYC and Telomeric G-Quadruplex DNAs by the RecQ C-Terminal Domain of Human Bloom Syndrome Helicase.

ACS omega

Lee S, Kim J, Han S, Park CJ.
PMID: 32596589
ACS Omega. 2020 Jun 11;5(24):14513-14522. doi: 10.1021/acsomega.0c01176. eCollection 2020 Jun 23.

G-quadruplex (G4) is a noncanonical DNA secondary structure formed by Hoogsteen base pairing. It is recognized by various DNA helicases involved in DNA metabolism processes such as replication and transcription. Human Bloom syndrome protein (BLM), one of five human...

Untangling the clinicopathological significance of MRE11-RAD50-NBS1 complex in sporadic breast cancers.

NPJ breast cancer

Alblihy A, Shoqafi A, Toss MS, Algethami M, Harris AE, Jeyapalan JN, Abdel-Fatah T, Servante J, Chan SYT, Green A, Mongan NP, Rakha EA, Madhusudan S.
PMID: 34782604
NPJ Breast Cancer. 2021 Nov 15;7(1):143. doi: 10.1038/s41523-021-00350-5.

The MRE11-RAD50-NBS1 (MRN) complex is critical for genomic stability. Although germline mutations in MRN may increase breast cancer susceptibility, such mutations are extremely rare. Here, we have conducted a comprehensive clinicopathological study of MRN in sporadic breast cancers. We...

Characterization of the telomerase modulating activities of yeast DNA helicases.

Methods in enzymology

Nickens DG, Bochman ML.
PMID: 34776218
Methods Enzymol. 2021;661:327-342. doi: 10.1016/bs.mie.2021.08.005. Epub 2021 Sep 06.

Eukaryotes with linear chromosomes circumvent the end replication problem via the action of a specialized ribonucleoprotein reverse transcriptase known as telomerase. Cells lacking telomerase activity will senesce when their chromosome ends shorten to a critical length. In contrast, cancer...

In silico analysis of Plasmodium species specific UvrD helicase.

Communicative & integrative biology

Tuteja R.
PMID: 23750298
Commun Integr Biol. 2013 Mar 01;6(2):e23125. doi: 10.4161/cib.23125.

Malaria is still a devastating disease caused by the mosquito-transmitted parasite Plasmodium, particularly Plasmodium falciparum. During the last few years the situation has worsened in many ways, mainly due to malarial parasites becoming increasingly resistant to several anti-malarial drugs....

Nanobiomotors of archaeal DNA repair machineries: current research status and application potential.

Cell & bioscience

Han W, Shen Y, She Q.
PMID: 24995126
Cell Biosci. 2014 Jun 25;4:32. doi: 10.1186/2045-3701-4-32. eCollection 2014.

Nanobiomotors perform various important functions in the cell, and they also emerge as potential vehicle for drug delivery. These proteins employ conserved ATPase domains to convert chemical energy to mechanical work and motion. Several archaeal nucleic acid nanobiomotors, such...

Roles of DNA helicases in the maintenance of genome integrity.

Molecular & cellular oncology

Bochman ML.
PMID: 27308340
Mol Cell Oncol. 2014 Oct 29;1(3):e963429. doi: 10.4161/23723548.2014.963429. eCollection 2014.

Genome integrity is achieved and maintained by the sum of all of the processes in the cell that ensure the faithful duplication and repair of DNA, as well as its genetic transmission from one cell division to the next....

Guidelines for DNA recombination and repair studies: Mechanistic assays of DNA repair processes.

Microbial cell (Graz, Austria)

Klein HL, Ang KKH, Arkin MR, Beckwitt EC, Chang YH, Fan J, Kwon Y, Morten MJ, Mukherjee S, Pambos OJ, El Sayyed H, Thrall ES, Vieira-da-Rocha JP, Wang Q, Wang S, Yeh HY, Biteen JS, Chi P, Heyer WD, Kapanidis AN, Loparo JJ, Strick TR, Sung P, Van Houten B, Niu H, Rothenberg E.
PMID: 30652106
Microb Cell. 2019 Jan 07;6(1):65-101. doi: 10.15698/mic2019.01.665.

Genomes are constantly in flux, undergoing changes due to recombination, repair and mutagenesis.

DNA helicases in homologous recombination repair.

Current opinion in genetics & development

Branzei D, Szakal B.
PMID: 34271541
Curr Opin Genet Dev. 2021 Dec;71:27-33. doi: 10.1016/j.gde.2021.06.009. Epub 2021 Jul 14.

Helicases are in the spotlight of DNA metabolism and are critical for DNA repair in all domains of life. At their biochemical core, they bind and hydrolyze ATP, converting this energy to translocate unidirectionally, with different strand polarities and...

Showing 1 to 12 of 40 entries