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Complete Mitochondrial Genome Sequencing Reveals Novel Haplotypes in a Polynesian Population

Overview of attention for article published in PLOS ONE, April 2012
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Title
Complete Mitochondrial Genome Sequencing Reveals Novel Haplotypes in a Polynesian Population
Published in
PLOS ONE, April 2012
DOI 10.1371/journal.pone.0035026
Pubmed ID
Authors

Miles Benton, Donia Macartney-Coxson, David Eccles, Lyn Griffiths, Geoff Chambers, Rod Lea

Abstract

The high risk of metabolic disease traits in Polynesians may be partly explained by elevated prevalence of genetic variants involved in energy metabolism. The genetics of Polynesian populations has been shaped by island hoping migration events which have possibly favoured thrifty genes. The aim of this study was to sequence the mitochondrial genome in a group of Maoris in an effort to characterise genome variation in this Polynesian population for use in future disease association studies. We sequenced the complete mitochondrial genomes of 20 non-admixed Maori subjects using Affymetrix technology. DNA diversity analyses showed the Maori group exhibited reduced mitochondrial genome diversity compared to other worldwide populations, which is consistent with historical bottleneck and founder effects. Global phylogenetic analysis positioned these Maori subjects specifically within mitochondrial haplogroup--B4a1a1. Interestingly, we identified several novel variants that collectively form new and unique Maori motifs--B4a1a1c, B4a1a1a3 and B4a1a1a5. Compared to ancestral populations we observed an increased frequency of non-synonymous coding variants of several mitochondrial genes in the Maori group, which may be a result of positive selection and/or genetic drift effects. In conclusion, this study reports the first complete mitochondrial genome sequence data for a Maori population. Overall, these new data reveal novel mitochondrial genome signatures in this Polynesian population and enhance the phylogenetic picture of maternal ancestry in Oceania. The increased frequency of several mitochondrial coding variants makes them good candidates for future studies aimed at assessment of metabolic disease risk in Polynesian populations.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 66 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
New Zealand 2 3%
Unknown 64 97%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 15 23%
Researcher 15 23%
Student > Master 13 20%
Student > Bachelor 5 8%
Other 4 6%
Other 8 12%
Unknown 6 9%
Readers by discipline Count As %
Agricultural and Biological Sciences 29 44%
Biochemistry, Genetics and Molecular Biology 10 15%
Social Sciences 6 9%
Arts and Humanities 5 8%
Medicine and Dentistry 3 5%
Other 6 9%
Unknown 7 11%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 17 January 2021.
All research outputs
#15,242,847
of 22,664,267 outputs
Outputs from PLOS ONE
#129,812
of 193,506 outputs
Outputs of similar age
#102,449
of 161,293 outputs
Outputs of similar age from PLOS ONE
#2,333
of 3,658 outputs
Altmetric has tracked 22,664,267 research outputs across all sources so far. This one is in the 22nd percentile – i.e., 22% of other outputs scored the same or lower than it.
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