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Phylogenetic Reconstruction of the Rainforest Lineage Fontainea Heckel (Euphorbiaceae) Based on Chloroplast DNA Sequences and Reduced-Representation SNP Markers1.52 MB
Published VersionCC BY V4.0, Open Access
Journal article
Phylogenetic Reconstruction of the Rainforest Lineage Fontainea Heckel (Euphorbiaceae) Based on Chloroplast DNA Sequences and Reduced-Representation SNP Markers
Diversity, Vol.14(9), pp.1-17
2022
Abstract
Fontainea is a plant genus with nine recognised species that occur across the tropical and subtropical rainforests of Australia, Papua New Guinea, New Caledonia, and Vanuatu. One of these species is cultivated commercially as the source of a cancer therapeutic, and several other species are under threat of extinction. Despite this, the phylogenetic relationships of the genus have not been explored. Our study assessed the phylogeny of seven Fontainea taxa from the Australian and Pacific Island complex using chloroplast DNA sequence data and reduced-representation genome sequencing. Maximum-likelihood and consensus network trees were used to infer the topology of phylogenetic relationships between species, which highlighted three distinct lineages and a number of sister species. Our results indicated that the geographically disjunct species Fontainea venosa and F. pancheri formed a sister group at the earliest position of divergence for the genus. The data also revealed that the vulnerable Fontainea australis and the critically endangered F. oraria form a sister subclade with evidence of some shared plastid genotypes. Generally, our phylogenetic reconstruction supports the modern taxonomical nomenclature. However, we suggest further accessions across several species may support improved genetic distinctions between the sister groups of Fontainea within the genus.
Details
- Title
- Phylogenetic Reconstruction of the Rainforest Lineage Fontainea Heckel (Euphorbiaceae) Based on Chloroplast DNA Sequences and Reduced-Representation SNP Markers
- Authors
- Aaron Brunton (Corresponding Author) - University of the Sunshine Coast, Queensland, Centre for BioinnovationRobert Lamont (Author) - University of the Sunshine Coast, Queensland, Centre for BioinnovationGabriel Conroy (Author) - University of the Sunshine Coast, Queensland, Centre for BioinnovationSamantha Yap (Author) - Royal Botanic Garden SydneyMaurizio Rossetto (Author) - Royal Botanic Garden SydneyAlyce Taylor-Brown (Author) - University of the Sunshine Coast, Queensland, Centre for BioinnovationLaurent Maggia (Author) - University of New CaledoniaPaul W Reddell (Author) - EcoBiotics Ltd.Steven Ogbourne (Author) - University of the Sunshine Coast, Queensland, Centre for Bioinnovation
- Publication details
- Diversity, Vol.14(9), pp.1-17
- Publisher
- MDPI AG
- Date published
- 2022
- DOI
- 10.3390/d14090725
- ISSN
- 1424-2818
- Copyright note
- Copyright: © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
- Organisation Unit
- School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; GeneCology Research Centre - Legacy; Forest Industries Research Centre; School of Science, Technology and Engineering; School of Law and Society; Centre for Bioinnovation
- Language
- English
- Record Identifier
- 99669298702621
- Output Type
- Journal article
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