{"doi":"10.3390/life10090164","title":"The Maintenance of Mitochondrial DNA Integrity and Dynamics by Mitochondrial Membranes","abstract":"<jats:p>Mitochondria are complex organelles that harbour their own genome. Mitochondrial DNA (mtDNA) exists in the form of a circular double-stranded DNA molecule that must be replicated, segregated and distributed around the mitochondrial network. Human cells typically possess between a few hundred and several thousand copies of the mitochondrial genome, located within the mitochondrial matrix in close association with the cristae ultrastructure. The organisation of mtDNA around the mitochondrial network requires mitochondria to be dynamic and undergo both fission and fusion events in coordination with the modulation of cristae architecture. The dysregulation of these processes has profound effects upon mtDNA replication, manifesting as a loss of mtDNA integrity and copy number, and upon the subsequent distribution of mtDNA around the mitochondrial network. Mutations within genes involved in mitochondrial dynamics or cristae modulation cause a wide range of neurological disorders frequently associated with defects in mtDNA maintenance. This review aims to provide an understanding of the biological mechanisms that link mitochondrial dynamics and mtDNA integrity, as well as examine the interplay that occurs between mtDNA, mitochondrial dynamics and cristae structure.</jats:p>","journal":"Life","year":2020,"id":600895,"datarank":0.6907755278982138,"base_score":4.605170185988092,"endowment":4.605170185988092,"self_citation_contribution":0.6907755278982138,"citation_network_contribution":0.0,"self_endowment_contribution":0.6907755278982138,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":99,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":311183,"name":"Yi Shiau Ng","orcid":"0000-0002-7591-2034","position":1,"is_corresponding":false},{"id":1181143,"name":"Thomas J. Nicholls","orcid":"0000-0002-3034-4109","position":2,"is_corresponding":false},{"id":623094,"name":"James Chapman","orcid":"0000-0002-2841-282X","position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"The Maintenance of Mitochondrial DNA Integrity and Dynamics by Mitochondrial Membranes","abstract":"<jats:p>Mitochondria are complex organelles that harbour their own genome. Mitochondrial DNA (mtDNA) exists in the form of a circular double-stranded DNA molecule that must be replicated, segregated and distributed around the mitochondrial network. Human cells typically possess between a few hundred and several thousand copies of the mitochondrial genome, located within the mitochondrial matrix in close association with the cristae ultrastructure. The organisation of mtDNA around the mitochondrial network requires mitochondria to be dynamic and undergo both fission and fusion events in coordination with the modulation of cristae architecture. The dysregulation of these processes has profound effects upon mtDNA replication, manifesting as a loss of mtDNA integrity and copy number, and upon the subsequent distribution of mtDNA around the mitochondrial network. Mutations within genes involved in mitochondrial dynamics or cristae modulation cause a wide range of neurological disorders frequently associated with defects in mtDNA maintenance. This review aims to provide an understanding of the biological mechanisms that link mitochondrial dynamics and mtDNA integrity, as well as examine the interplay that occurs between mtDNA, mitochondrial dynamics and cristae structure.</jats:p>","is_dataset_classified":null,"base_score":4.605170185988092,"endowment":4.605170185988092,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"32858900","pmcid":"PMC7555930","openalex_id":"https://openalex.org/W3081196248","authors":[],"funders":[{"funder_name":"Wellcome Trust","grant_id":"213464/Z/18/Z","title":null},{"funder_name":"Rosetrees Trust","grant_id":"M811","title":null},{"funder_name":"National Institute for Health Research","grant_id":"CL‐2016‐01‐003","title":null},{"funder_name":"National Institute for Health Research (NIHR)","grant_id":"CL-2016-01-003","title":null},{"funder_name":"Wellcome Trust","grant_id":"213464","title":"Mitochondrial DNA maintenance, propagation and disease"}],"total_grants":5,"fwci":5.4422,"citation_percentile":0.97166624,"influential_citations":0,"citation_trend":[{"year":2021,"count":16},{"year":2022,"count":19},{"year":2023,"count":38},{"year":2024,"count":12},{"year":2025,"count":10},{"year":2026,"count":4}],"oa_status":"gold","license":"cc-by","oa_locations":[{"url":"https://www.mdpi.com/2075-1729/10/9/164/pdf?version=1598510635","host_type":"journal"},{"url":"https://www.mdpi.com/2075-1729/10/9/164/pdf?version=1598510635","host_type":"publisher"},{"url":"https://www.mdpi.com/2075-1729/10/9/164/pdf","host_type":"publisher"},{"url":"https://doi.org/10.3390/life10090164","host_type":"journal"},{"url":"https://pubmed.ncbi.nlm.nih.gov/32858900","host_type":"repository"},{"url":"https://doaj.org/article/d90762fcf5b7469c8899ca2c36f6c2c0","host_type":"repository"},{"url":"https://eprint.ncl.ac.uk/268986","host_type":"repository"},{"url":"https://dx.doi.org/10.3390/life10090164","host_type":"repository"},{"url":"https://www.ncbi.nlm.nih.gov/pmc/articles/7555930","host_type":"repository"},{"url":"https://europepmc.org/articles/PMC7555930","host_type":"Europe_PMC"},{"url":"https://europepmc.org/articles/PMC7555930?pdf=render","host_type":"Europe_PMC"},{"url":"http://dx.doi.org/10.3390/life10090164","host_type":""}],"fields_of_study":["Mitochondrial Function and Pathology","Metabolism and Genetic Disorders","ATP Synthase and ATPases Research","0301 basic medicine","03 medical and health sciences"],"mesh_terms":[],"keywords":["Mitochondrial DNA","Biology","mitochondrial fusion","Mitochondrial fission","Mitochondrion","Cell biology","DNAJA3","Genetics","Genome","Gene","Mitochondria","mtDNA","Cristae","Mitochondrial Diseas","Science","Q","Review"],"sdg_mappings":[{"sdg_number":0,"sdg_label":"Life in Land"}],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[{"name":"doi"}],"source":"live","citation_network_status":"fetched"},"created_at":"2026-07-29T14:25:29.097444Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}