Results 71 to 80 of about 47,217 (278)

Non-B DNA Secondary Structures and Their Resolution by RecQ Helicases

open access: yesJournal of Nucleic Acids, 2011
In addition to the canonical B-form structure first described by Watson and Crick, DNA can adopt a number of alternative structures. These non-B-form DNA secondary structures form spontaneously on tracts of repeat sequences that are abundant in genomes ...
Sudha Sharma
doaj   +1 more source

RECQL1 and WRN DNA repair helicases: potential therapeutic targets and proliferative markers against cancers

open access: yesFrontiers in Genetics, 2015
RECQL1 and WRN helicases in the human RecQ helicase family participate in maintaining genome stability, DNA repair, replication and recombination pathways in the cell cycle.
Kazunobu eFutami, Yasuhiro eFuruichi
doaj   +1 more source

RECQL5 at the Intersection of Replication and Transcription

open access: yesFrontiers in Cell and Developmental Biology, 2020
Maintenance of genome stability is essential to prevent the accumulation of DNA mutations that can initiate oncogenesis and facilitate tumor progression.
Zeid Hamadeh   +5 more
doaj   +1 more source

Identification and pharmacological inactivation of the MYCN gene network as a therapeutic strategy for neuroblastic tumor cells [PDF]

open access: yes, 2015
This research was originally published in Journal of Biological Chemistry. Olesya Chayka, Cosimo Walter D’Acunto, Odette Middleton, Maryam Arab, and Arturo Sala.
Arab, M   +4 more
core   +1 more source

DNA helicases in homologous recombination repair

open access: yesCurrent Opinion in Genetics & Development, 2021
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 substrate binding specificities, along one strand of a nucleic acid.
Branzei D, Szakal B
openaire   +3 more sources

Ketogenic Diet as an Epigenetic Therapy in SETD1B‐Related Epilepsy

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Histone lysine methyltransferases such as SETD1B regulate chromatin structure and gene transcription. Ketone bodies, including butyrate, act as histone deacetylase inhibitors. We report a 4‐year‐old boy with SETD1B‐related absence epilepsy, refractory to conventional medications, who achieved sustained > 90% seizure reduction on the Modified ...
Erica Tsang   +10 more
wiley   +1 more source

Unwinding of a DNA replication fork by a hexameric viral helicase

open access: yesNature Communications, 2021
Replicative hexameric helicases are fundamental components of replisomes. Here the authors resolve a cryo-EM structure of the E1 helicase from papillomavirus bound to a DNA replication fork, providing insights into the mechanism of DNA unwinding by these
Abid Javed   +4 more
doaj   +1 more source

Transcription as a Threat to Genome Integrity [PDF]

open access: yes, 2016
Genomes undergo different types of sporadic alterations, including DNA damage, point mutations, and genome rearrangements, that constitute the basis for evolution.
Aguilera López, Andrés   +1 more
core   +1 more source

Temporal and Cell‐Specific Regulation of Synaptic Homeostasis by the Chromatin Remodeler Chd1

open access: yesAdvanced Science, EarlyView.
Chd1, the Drosophila homologue of mammalian CHD2 ‐ a gene linked to autism, epilepsy, and intellectual disability, is required for synaptic homeostatic plasticity. Chd1 in glia is necessary for the rapid induction of synaptic homeostasis, whereas Chd1 in motoneurons, muscle, and glia is critical for long‐term maintenance.
Danielle T. Morency   +19 more
wiley   +1 more source

Context-Dependent Remodeling of Rad51–DNA Complexes by Srs2 Is Mediated by a Specific Protein–Protein Interaction [PDF]

open access: yes, 2014
The yeast Srs2 helicase removes Rad51 nucleoprotein filaments from single-stranded DNA (ssDNA), preventing DNA strand invasion and exchange by homologous recombination.
Antony, Edwin   +5 more
core   +1 more source

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