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PDZD8 is not the 'f...
PDZD8 is not the 'functional ortholog' of Mmm1, it is a paralog
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- Wideman, Jeremy G (author)
- Institute for Advanced Study, Berlin
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- Balacco, Dario L (author)
- University of Nottingham
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- Fieblinger, Tim (author)
- Lund University,Lunds universitet,Basala gangliernas patofysiologi,Forskargrupper vid Lunds universitet,Basal Ganglia Pathophysiology,Lund University Research Groups
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- Richards, Thomas A (author)
- University of Exeter
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(creator_code:org_t)
- 2018-07-16
- 2018
- English.
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In: F1000Research. - : F1000 Research Ltd. - 2046-1402. ; 7, s. 1088-1088
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Abstract
Subject headings
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- Authors of a recent paper demonstrate that, like ERMES (ER-mitochondria encounter structure) in fungal cells, PDZD8 (PDZ domain containing 8) tethers mitochondria to the ER in mammalian cells. However, identifying PDZD8 as a "functional ortholog" of yeast Mmm1 (maintenance of mitochondrial morphology protein 1) is at odds with the phylogenetic data. PDZD8 and Mmm1 are paralogs, not orthologs, which affects the interpretation of the data with respect to the evolution of ER-mitochondria tethering. Our phylogenetic analyses show that PDZD8 co-occurs with ERMES components in lineages closely related to animals solidifying its identity as a paralog of Mmm1. Additionally, we identify two related paralogs, one specific to flagellated fungi, and one present only in unicellular relatives of animals. These results point to a complex evolutionary history of ER-mitochondria tethering involving multiple gene gains and losses in the lineage leading to animals and fungi.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Andra medicinska och farmaceutiska grundvetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Other Basic Medicine (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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