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Mitochondrion. 2011 Nov;11(6):855-61. doi: 10.1016/j.mito.2011.04.005. Epub 2011 May 9.

Mitochondrial DNA variation in human metabolic rate and energy expenditure.

Author information

  • 1California Pacific Medical Center Research Institute, San Francisco, CA, 94107, USA. gtranah@sfcc-cpmc.edu

Abstract

The role of climate in driving selection of mtDNA as Homo sapiens migrated out of Africa into Eurasia remains controversial. We evaluated the role of mtDNA variation in resting metabolic rate (RMR) and total energy expenditure (TEE) among 294 older, community-dwelling African and European American adults from the Health, Aging and Body Composition Study. Common African haplogroups L0, L2 and L3 had significantly lower RMRs than European haplogroups H, JT and UK with haplogroup L1 RMR being intermediate to these groups. This study links mitochondrial haplogroups with ancestry-associated differences in metabolic rate and energy expenditure.

Copyright © 2011. Published by Elsevier B.V.

PMID:
21586348
[PubMed - indexed for MEDLINE]
PMCID:
PMC3998521
Free PMC Article

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