Page last updated: 2024-10-24

mitochondrial transcription factor activity

Definition

Target type: molecularfunction

Interacting with the mitochondrial promoter DNA to modulate transcription by the mitochondrial RNA polymerase. [GOC:txnOH-2018, PMID:18391175]

Mitochondrial transcription factor activity involves the regulation of gene expression within the mitochondria, the powerhouse of the cell. This activity plays a crucial role in cellular respiration and energy production. Mitochondrial transcription factors bind to specific DNA sequences in the mitochondrial genome, known as promoters, initiating the process of transcription. Transcription is the first step in gene expression, where the genetic information encoded in DNA is copied into RNA. This RNA molecule then serves as a template for protein synthesis, ultimately producing the proteins essential for mitochondrial function. Mitochondrial transcription factors often interact with other regulatory proteins and cofactors, forming intricate complexes that control the rate and specificity of transcription. These factors are essential for maintaining mitochondrial integrity, responding to cellular demands for energy, and ensuring the proper function of respiratory chain components. Dysregulation of mitochondrial transcription factor activity can lead to mitochondrial dysfunction, contributing to various diseases including neurodegenerative disorders, metabolic syndromes, and cancer.'
"

Proteins (1)

ProteinDefinitionTaxonomy
Forkhead box protein O3A forkhead box protein O3 that is encoded in the genome of human. [PRO:DNx, UniProtKB:O43524]Homo sapiens (human)

Compounds (1)

CompoundDefinitionClassesRoles
syringaresinol(+)-syringaresinol : The (7alpha,7'alpha,8alpha,8'alpha)-stereoisomer of syringaresinol.syringaresinolantineoplastic agent