Article ; Online: Mitochondrial leak metabolism induces the Spemann-Mangold Organizer via Hif-1α in Xenopus.
2023 Volume 58, Issue 22, Page(s) 2597–2613.e4
Abstract: An instructive role for metabolism in embryonic patterning is emerging, although a role for mitochondria is poorly defined. We demonstrate that mitochondrial oxidative metabolism establishes the embryonic patterning center, the Spemann-Mangold Organizer, ...
Abstract | An instructive role for metabolism in embryonic patterning is emerging, although a role for mitochondria is poorly defined. We demonstrate that mitochondrial oxidative metabolism establishes the embryonic patterning center, the Spemann-Mangold Organizer, via hypoxia-inducible factor 1α (Hif-1α) in Xenopus. Hypoxia or decoupling ATP production from oxygen consumption expands the Organizer by activating Hif-1α. In addition, oxygen consumption is 20% higher in the Organizer than in the ventral mesoderm, indicating an elevation in mitochondrial respiration. To reconcile increased mitochondrial respiration with activation of Hif-1α, we discovered that the "free" c-subunit ring of the F |
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MeSH term(s) | Animals ; Adenosine Triphosphate/metabolism ; Hypoxia ; Hypoxia-Inducible Factor 1, alpha Subunit ; Mitochondria/metabolism ; Organizers, Embryonic/metabolism ; Xenopus laevis |
Chemical Substances | Adenosine Triphosphate (8L70Q75FXE) ; Hypoxia-Inducible Factor 1, alpha Subunit |
Language | English |
Publishing date | 2023-09-05 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 2054967-2 |
ISSN | 1878-1551 ; 1534-5807 |
ISSN (online) | 1878-1551 |
ISSN | 1534-5807 |
DOI | 10.1016/j.devcel.2023.08.015 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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