Results 21 to 30 of about 2,797,581 (364)

Regional differences in mitochondrial DNA methylation in human post-mortem brain tissue

open access: yesClinical Epigenetics, 2017
Background DNA methylation is an important epigenetic mechanism involved in gene regulation, with alterations in DNA methylation in the nuclear genome being linked to numerous complex diseases.
Matthew Devall   +8 more
doaj   +1 more source

Analysis of Nuclear Mitochondrial DNA Segments of Nine Plant Species: Size, Distribution, and Insertion Loci [PDF]

open access: yesGenomics & Informatics, 2016
Nuclear mitochondrial DNA segment (Numt) insertion describes a well-known phenomenon of mitochondrial DNA transfer into a eukaryotic nuclear genome. However, it has not been well understood, especially in plants. Numt insertion patterns vary from species
Young-Joon Ko, Sangsoo Kim
doaj   +1 more source

Neuropathic Pain as Main Manifestation of POLG-Related Disease: A Case Report

open access: yesFrontiers in Neurology, 2022
Mutations in nuclear-encoded genes that are involved in mitochondrial DNA replication and maintenance (e.g., POLG) have been associated with chronic progressive external ophthalmoplegia (CPEO) phenotype.
Melanie Lang-Orsini   +1 more
doaj   +1 more source

Dynamics of mitochondrial DNA evolution in animals: amplification and sequencing with conserved primers.

open access: yesProceedings of the National Academy of Sciences of the United States of America, 1989
With a standard set of primers directed toward conserved regions, we have used the polymerase chain reaction to amplify homologous segments of mtDNA from more than 100 animal species, including mammals, birds, amphibians, fishes, and some invertebrates ...
T. Kocher   +6 more
semanticscholar   +1 more source

Alterations of the mitochondrial proteome caused by the absence of mitochondrial DNA: A proteomic view [PDF]

open access: yesElectrophoresis 27 (04/2006) 1574-83, 2006
The proper functioning of mitochondria requires that both the mitochondrial and the nuclear genome are functional. To investigate the importance of the mitochondrial genome, which encodes only 13 subunits of the respiratory complexes, the mitochondrial rRNAs and a few tRNAs, we performed a comparative study on the 143B cell line and on its Rho-0 ...
arxiv   +1 more source

Mechanisms of replication and repair in mitochondrial DNA deletion formation

open access: yesNucleic Acids Research, 2020
Deletions in mitochondrial DNA (mtDNA) are associated with diverse human pathologies including cancer, aging and mitochondrial disorders. Large-scale deletions span kilobases in length and the loss of these associated genes contributes to crippled ...
Gabriele A. Fontana, Hailey L. Gahlon
semanticscholar   +1 more source

Defects of Mitochondrial DNA

open access: yesBrain Pathology, 1992
In the past few years several syndromes have been associated with lesions of the human mitochondrial DNA. MtDNA is a small, circular extra‐nuclear chromosome encoding essential components of the respiratory chain. MtDNA‐related syndromes can be divided into two groups: mitochondrial encephalomyopathies, characterized by the presence of ragged‐red ...
Zeviani M., Antozzi C.
openaire   +3 more sources

DNA Damage and Base Excision Repair in Mitochondria and Their Role in Aging

open access: yesJournal of Aging Research, 2011
During the last decades, our knowledge about the processes involved in the aging process has exponentially increased. However, further investigation will be still required to globally understand the complexity of aging.
Ricardo Gredilla
doaj   +1 more source

Mitochondrial DNA sequencing of a wet-collection syntype demonstrates the importance of type material as genetic resource for lantern shark taxonomy (Chondrichthyes: Etmopteridae)

open access: yesRoyal Society Open Science, 2021
After initial detection of target archival DNA of a 116-year-old syntype specimen of the smooth lantern shark, Etmopterus pusillus, in a single-stranded DNA library, we shotgun-sequenced additional 9 million reads from this same DNA library.
Nicolas Straube   +3 more
doaj   +1 more source

Melatonin inhibits cytosolic mitochondrial-DNA induced neuroinflammatory signaling in accelerated aging and neurodegeneration.

open access: yesJournal of Clinical Investigation, 2020
Chronic inflammation is a pathologic feature of neurodegeneration and aging; however, the mechanism regulating this process is not understood. Melatonin, an endogenous free radical scavenger synthesized by neuronal mitochondria, decreases with aging and ...
A. Jauhari   +12 more
semanticscholar   +1 more source

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