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Extensive sharing of mitochondrial COI and CYB haplotypes among reef-building staghorn corals (Acropora spp.) in Sabah, North Borneo

This study is aimed at establishing a baseline on the genetic diversity of the Acropora corals of Sabah, North Borneo based on variations in the partial COI and CYB nucleotide sequences. Comparison across 50 shallow-water Acropora morphospecies indicated that the low substitution rates in the two ge...

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Main Authors: Rolando Robert, Kenneth Francis Rodrigues, Zarinah Waheed, Subbiah Vijay Kumar
Format: Article
Language:English
Published: 2019
Subjects:
QH Natural history
QH301-705.5 Biology (General)
Online Access:https://eprints.ums.edu.my/id/eprint/22530/1/Extensive%20sharing%20of%20mitochondrial%20COI%20and%20CYB%20haplotypes%20among%20reef.pdf
https://eprints.ums.edu.my/id/eprint/22530/
https://doi.org/10.1080/24701394.2018.1448080
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spelling my.ums.eprints.225302019-07-10T05:52:46Z https://eprints.ums.edu.my/id/eprint/22530/ Extensive sharing of mitochondrial COI and CYB haplotypes among reef-building staghorn corals (Acropora spp.) in Sabah, North Borneo Rolando Robert Kenneth Francis Rodrigues Zarinah Waheed Subbiah Vijay Kumar QH Natural history QH301-705.5 Biology (General) This study is aimed at establishing a baseline on the genetic diversity of the Acropora corals of Sabah, North Borneo based on variations in the partial COI and CYB nucleotide sequences. Comparison across 50 shallow-water Acropora morphospecies indicated that the low substitution rates in the two genes were due to negative selection and that rate heterogeneity between them was asymmetric. CYB appeared to have evolved faster than COI in the Acropora as indicated by differences in the rate of pairwise genetic distance, degrees of transition bias (Ts/Tv), synonymous-to-nonsynonymous rate ratio (dN/dS), and substitution patterns at the three codon positions. Despite the relatively high haplotype diversity (Hd), nucleotide diversity (π) of the haplotype datasets was low due to stringent purifying selection operating on the genes. Subsequently, we identified individual COI and CYB haplotypes that were each extensively shared across sympatrically and allopatrically distributed Indo-Pacific Acropora. These reciprocally common mtDNA types were suspected to be ancestral forms of the genes whereas other haplotypes have mostly evolved from autoapomorphic mutations which have not been fixed within the species even though they are selectively neutral. To our knowledge, this is the first report on DNA barcodes of Acropora species in North Borneo and this understanding will play an important role in the management and conservation of these important reef-building corals. 2019 Article PeerReviewed text en https://eprints.ums.edu.my/id/eprint/22530/1/Extensive%20sharing%20of%20mitochondrial%20COI%20and%20CYB%20haplotypes%20among%20reef.pdf Rolando Robert and Kenneth Francis Rodrigues and Zarinah Waheed and Subbiah Vijay Kumar (2019) Extensive sharing of mitochondrial COI and CYB haplotypes among reef-building staghorn corals (Acropora spp.) in Sabah, North Borneo. Journal Mitochondrial DNA Part A, 30 (1). pp. 16-23. https://doi.org/10.1080/24701394.2018.1448080
institution Universiti Malaysia Sabah
building UMS Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Sabah
content_source UMS Institutional Repository
url_provider http://eprints.ums.edu.my/
language English
topic QH Natural history
QH301-705.5 Biology (General)
spellingShingle QH Natural history
QH301-705.5 Biology (General)
Rolando Robert
Kenneth Francis Rodrigues
Zarinah Waheed
Subbiah Vijay Kumar
Extensive sharing of mitochondrial COI and CYB haplotypes among reef-building staghorn corals (Acropora spp.) in Sabah, North Borneo
description This study is aimed at establishing a baseline on the genetic diversity of the Acropora corals of Sabah, North Borneo based on variations in the partial COI and CYB nucleotide sequences. Comparison across 50 shallow-water Acropora morphospecies indicated that the low substitution rates in the two genes were due to negative selection and that rate heterogeneity between them was asymmetric. CYB appeared to have evolved faster than COI in the Acropora as indicated by differences in the rate of pairwise genetic distance, degrees of transition bias (Ts/Tv), synonymous-to-nonsynonymous rate ratio (dN/dS), and substitution patterns at the three codon positions. Despite the relatively high haplotype diversity (Hd), nucleotide diversity (π) of the haplotype datasets was low due to stringent purifying selection operating on the genes. Subsequently, we identified individual COI and CYB haplotypes that were each extensively shared across sympatrically and allopatrically distributed Indo-Pacific Acropora. These reciprocally common mtDNA types were suspected to be ancestral forms of the genes whereas other haplotypes have mostly evolved from autoapomorphic mutations which have not been fixed within the species even though they are selectively neutral. To our knowledge, this is the first report on DNA barcodes of Acropora species in North Borneo and this understanding will play an important role in the management and conservation of these important reef-building corals.
format Article
author Rolando Robert
Kenneth Francis Rodrigues
Zarinah Waheed
Subbiah Vijay Kumar
author_facet Rolando Robert
Kenneth Francis Rodrigues
Zarinah Waheed
Subbiah Vijay Kumar
author_sort Rolando Robert
title Extensive sharing of mitochondrial COI and CYB haplotypes among reef-building staghorn corals (Acropora spp.) in Sabah, North Borneo
title_short Extensive sharing of mitochondrial COI and CYB haplotypes among reef-building staghorn corals (Acropora spp.) in Sabah, North Borneo
title_full Extensive sharing of mitochondrial COI and CYB haplotypes among reef-building staghorn corals (Acropora spp.) in Sabah, North Borneo
title_fullStr Extensive sharing of mitochondrial COI and CYB haplotypes among reef-building staghorn corals (Acropora spp.) in Sabah, North Borneo
title_full_unstemmed Extensive sharing of mitochondrial COI and CYB haplotypes among reef-building staghorn corals (Acropora spp.) in Sabah, North Borneo
title_sort extensive sharing of mitochondrial coi and cyb haplotypes among reef-building staghorn corals (acropora spp.) in sabah, north borneo
publishDate 2019
url https://eprints.ums.edu.my/id/eprint/22530/1/Extensive%20sharing%20of%20mitochondrial%20COI%20and%20CYB%20haplotypes%20among%20reef.pdf
https://eprints.ums.edu.my/id/eprint/22530/
https://doi.org/10.1080/24701394.2018.1448080
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score 13.211869

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