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Systematic name YAL015C
Gene name NTG1
Aliases FUN33, SCR1, ogg2
Feature type ORF, Verified
Coordinates Chr I:128102..126903
Primary SGDID S000000013

Description of YAL015C: DNA N-glycosylase and apurinic/apyrimidinic (AP) lyase; involved in base excision repair; acts in both nucleus and mitochondrion; creates a double-strand break at mtDNA origins that stimulates replication in response to oxidative stress; NTG1 has a paralog, NTG2, that arose from the whole genome duplication[1][2][3][4][5]


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  1. Alseth I, et al. (1999) The Saccharomyces cerevisiae homologues of endonuclease III from Escherichia coli, Ntg1 and Ntg2, are both required for efficient repair of spontaneous and induced oxidative DNA damage in yeast. Mol Cell Biol 19(5):3779-87 SGD PMID 10207101
  2. Byrne KP and Wolfe KH (2005) The Yeast Gene Order Browser: combining curated homology and syntenic context reveals gene fate in polyploid species. Genome Res 15(10):1456-61 SGD PMID 16169922
  3. Griffiths LM, et al. (2009) Dynamic compartmentalization of base excision repair proteins in response to nuclear and mitochondrial oxidative stress. Mol Cell Biol 29(3):794-807 SGD PMID 19029246
  4. Hori A, et al. (2009) Reactive oxygen species regulate DNA copy number in isolated yeast mitochondria by triggering recombination-mediated replication. Nucleic Acids Res 37(3):749-61 SGD PMID 19074198
  5. Meadows KL, et al. (2003) Characterization of AP lyase activities of Saccharomyces cerevisiae Ntg1p and Ntg2p: implications for biological function. Nucleic Acids Res 31(19):5560-7 SGD PMID 14500818

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