Structure, mechanism, and regulation of mitochondrial DNA transcription initiation

U Basu, AM Bostwick, K Das… - Journal of Biological …, 2020 - ASBMB
Mitochondria are specialized compartments that produce requisite ATP to fuel cellular
functions and serve as centers of metabolite processing, cellular signaling, and apoptosis …

Organization of DNA in mammalian mitochondria

G Farge, M Falkenberg - International Journal of Molecular Sciences, 2019 - mdpi.com
As with all organisms that must organize and condense their DNA to fit within the limited
volume of a cell or a nucleus, mammalian mitochondrial DNA (mtDNA) is packaged into …

Sequence-specific dynamic DNA bending explains mitochondrial TFAM's dual role in DNA packaging and transcription initiation

H Huh, J Shen, Y Ajjugal, A Ramachandran… - Nature …, 2024 - nature.com
Mitochondrial transcription factor A (TFAM) employs DNA bending to package mitochondrial
DNA (mtDNA) into nucleoids and recruit mitochondrial RNA polymerase (POLRMT) at …

Two mitochondrial HMG-box proteins, Cim1 and Abf2, antagonistically regulate mtDNA copy number in Saccharomyces cerevisiae

S Schrott, C Osman - Nucleic Acids Research, 2023 - academic.oup.com
The mitochondrial genome, mtDNA, is present in multiple copies in cells and encodes
essential subunits of oxidative phosphorylation complexes. mtDNA levels have to change in …

A minimal motif for sequence recognition by mitochondrial transcription factor A (TFAM)

WS Choi, M Garcia-Diaz - Nucleic Acids Research, 2022 - academic.oup.com
Mitochondrial transcription factor A (TFAM) plays a critical role in mitochondrial transcription
initiation and mitochondrial DNA (mtDNA) packaging. Both functions require DNA binding …

Studying protein-DNA interactions using atomic force microscopy

EC Beckwitt, M Kong, B Van Houten - Seminars in cell & developmental …, 2018 - Elsevier
Atomic force microscopy (AFM) has made significant contributions to the study of protein-
DNA interactions by making it possible to topographically image biological samples. A …

Organization and dynamics of yeast mitochondrial nucleoids

I Miyakawa - Proceedings of the Japan Academy, Series B, 2017 - jstage.jst.go.jp
Mitochondrial DNA (mtDNA) is packaged by association with specific proteins in compact
DNA-protein complexes named mitochondrial nucleoids (mt-nucleoids). The budding yeast …

[HTML][HTML] Structure and Functions of HMGB3 Protein

E Chikhirzhina, A Tsimokha, AN Tomilin… - International Journal of …, 2024 - mdpi.com
HMGB3 protein belongs to the group of HMGB proteins from the superfamily of nuclear
proteins with high electrophoretic mobility. HMGB proteins play an active part in almost all …

Mitochondrial HMG-box containing proteins: From biochemical properties to the roles in human diseases

V Vozáriková, N Kunová, JA Bauer, J Frankovský… - Biomolecules, 2020 - mdpi.com
Mitochondrial DNA (mtDNA) molecules are packaged into compact nucleo-protein structures
called mitochondrial nucleoids (mt-nucleoids). Their compaction is mediated in part by high …

Structural and mechanistic insight into DNA bending by antitumour calicheamicins

A Mills, F Gago - Organic & Biomolecular Chemistry, 2021 - pubs.rsc.org
Among the class of enediyne antibiotics endowed with potent antitumour activities, the
calicheamicin derivative known as ozogamicin is selectively targeted to several leukaemia …