Complete mitochondrial genomes offer insights into the evolutionary relationships and comparative genetic diversity of New Zealand's iconic kiwi (Apteryx spp.)
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Complete mitochondrial genomes offer insights into the evolutionary relationships and comparative genetic diversity of New Zealand's iconic kiwi (Apteryx spp.). / De Cahsan, Binia; Westbury, Michael V.
In: New Zealand Journal of Zoology, Vol. 47, No. 4, 2020, p. 291-299 .Research output: Contribution to journal › Journal article › peer-review
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T1 - Complete mitochondrial genomes offer insights into the evolutionary relationships and comparative genetic diversity of New Zealand's iconic kiwi (Apteryx spp.)
AU - De Cahsan, Binia
AU - Westbury, Michael V.
PY - 2020
Y1 - 2020
N2 - Kiwis (Apterygidae) are an enigmatic family of flightless birds endemic to New Zealand. Apterygidae is made up of a single genus,Apteryxwith five species, four of which are characterised as at risk of greater by the New Zealand Department of Conservation. These five species are further separated into two morphologically and genetically distinguishable clades, containingA.haastii, and A.oweniiin one andA.rowi, A.mantelli,andA.australisin the other. We reconstructed 17 kiwi mitochondrial genomes from previously published genomic data, nine fromA.rowiand eight fromA.owenii. Mitochondrial diversity analyses uncovered low levels of genetic diversity consistent with their reduced ranges and conservation concern. We further used one of the assembledA.rowimitochondrial genomes together with mitochondrial genomes fromA.haastii, A.owenii, A.mantelli,and several other individuals from Palaeognathae to estimate the within and between clade divergence times of kiwis. Our study exemplifies how available published data can be used in novel ways to provide new and complementary evolutionary insights to previous studies.
AB - Kiwis (Apterygidae) are an enigmatic family of flightless birds endemic to New Zealand. Apterygidae is made up of a single genus,Apteryxwith five species, four of which are characterised as at risk of greater by the New Zealand Department of Conservation. These five species are further separated into two morphologically and genetically distinguishable clades, containingA.haastii, and A.oweniiin one andA.rowi, A.mantelli,andA.australisin the other. We reconstructed 17 kiwi mitochondrial genomes from previously published genomic data, nine fromA.rowiand eight fromA.owenii. Mitochondrial diversity analyses uncovered low levels of genetic diversity consistent with their reduced ranges and conservation concern. We further used one of the assembledA.rowimitochondrial genomes together with mitochondrial genomes fromA.haastii, A.owenii, A.mantelli,and several other individuals from Palaeognathae to estimate the within and between clade divergence times of kiwis. Our study exemplifies how available published data can be used in novel ways to provide new and complementary evolutionary insights to previous studies.
KW - Kiwi
KW - mitochondrial genome
KW - genetic diversity
KW - phylogeny
KW - divergence
KW - Apteryx
KW - ANCIENT DNA
KW - BIRDS
KW - VICARIANCE
KW - SEQUENCES
KW - ALIGNMENT
KW - HISTORY
KW - NUCLEAR
KW - ORIGIN
KW - FLIGHT
U2 - 10.1080/03014223.2020.1766520
DO - 10.1080/03014223.2020.1766520
M3 - Journal article
VL - 47
SP - 291
EP - 299
JO - New Zealand Journal of Zoology
JF - New Zealand Journal of Zoology
SN - 0301-4223
IS - 4
ER -
ID: 247389381