TWINKLE and other human mitochondrial DNA helicases: structure, function and disease

B Peter, M Falkenberg - Genes, 2020 - mdpi.com
Mammalian mitochondria contain a circular genome (mtDNA) which encodes subunits of the
oxidative phosphorylation machinery. The replication and maintenance of mtDNA is carried …

Structure-specific roles for PolG2–DNA complexes in maintenance and replication of mitochondrial DNA

JL Wojtaszek, KE Hoff, MJ Longley, P Kaur… - Nucleic Acids …, 2023 - academic.oup.com
The homodimeric PolG2 accessory subunit of the mitochondrial DNA polymerase gamma
(Pol γ) enhances DNA binding and processive DNA synthesis by the PolG catalytic subunit …

Single-molecule imaging of genome maintenance proteins encountering specific DNA sequences and structures

EM Irvin, H Wang - DNA repair, 2023 - Elsevier
DNA repair pathways are tightly regulated processes that recognize specific hallmarks of
DNA damage and coordinate lesion repair through discrete mechanisms, all within the …

Structural and dynamic basis of DNA capture and translocation by mitochondrial Twinkle helicase

Z Li, P Kaur, CY Lo, N Chopra, J Smith… - Nucleic acids …, 2022 - academic.oup.com
Twinkle is a mitochondrial replicative helicase which can self-load onto and unwind
mitochondrial DNA. Nearly 60 mutations on Twinkle have been linked to human …

[PDF][PDF] Structures of the mitochondrial single-stranded DNA binding protein with DNA and DNA polymerase γ

AA Riccio, J Bouvette, LC Pedersen… - Nucleic Acids …, 2024 - academic.oup.com
The mitochondrial single-stranded DNA (ssDNA) binding protein, mtSSB or SSBP1, binds to
ssDNA to prevent secondary structures of DNA that could impede downstream replication or …

Structural insight and characterization of human Twinkle helicase in mitochondrial disease

AA Riccio, J Bouvette, L Perera… - Proceedings of the …, 2022 - National Acad Sciences
Twinkle is the mammalian helicase vital for replication and integrity of mitochondrial DNA.
Over 90 Twinkle helicase disease variants have been linked to progressive external …

Synthesis and application of a 19 F-labeled fluorescent nucleoside as a dual-mode probe for i-motif DNAs

WA Wee, JH Yum, S Hirashima, H Sugiyama… - RSC Chemical …, 2021 - pubs.rsc.org
Because of their stable orientations and their minimal interference with native DNA
interactions and folding, emissive isomorphic nucleoside analogues are versatile tools for …

The roles of non-productive complexes of DNA repair proteins with DNA lesions

I Tessmer - DNA repair, 2023 - Elsevier
A multitude of different types of lesions is continuously introduced into the DNA inside our
cells, and their rapid and efficient repair is fundamentally important for the maintenance of …

[HTML][HTML] 非洲猪瘟病毒解旋酶D1133L 基因序列分析, 蛋白结构预测及亚细胞定位

侯景, 申超超, 张大俊, 杨博, 史喜绢, 张婷, 崔卉梅… - 畜牧兽医学报, 2021 - xml-data.org
旨在通过预测分析和亚细胞定位研究非洲猪瘟病毒(ASFV) D1133L 基因结构,
亚细胞定位与功能间的关系. 作者使用Mega6. 0 软件绘制了7 株不同基因型的D1133L …

[HTML][HTML] DNA replication machinery: Insights from in vitro single-molecule approaches

R Bocanegra, GAI Plaza, CR Pulido, B Ibarra - Computational and …, 2021 - Elsevier
The replisome is the multiprotein molecular machinery that replicates DNA. The replisome
components work in precise coordination to unwind the double helix of the DNA and …