Intraspecific diversity and genetic structure in the widespread macroalga Agarophyton vermiculophyllum

© 2021 Phycological Society of America.

Bibliographische Detailangaben
Veröffentlicht in:Journal of phycology. - 1966. - 57(2021), 5 vom: 04. Okt., Seite 1403-1410
1. Verfasser: Krueger-Hadfield, Stacy A (VerfasserIn)
Weitere Verfasser: Byers, James E, Bonthond, Guido, Terada, Ryuta, Weinberger, Florian, Sotka, Erik E
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Journal of phycology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Review CO1 PCR algae cox1 mitochondrial DNA seaweed DNA, Mitochondrial
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520 |a Single-gene markers, such as the mitochondrial cox1, microsatellites, and single-nucleotide polymorphisms are powerful methods to describe diversity within and among taxonomic groups and characterize phylogeographic patterns. Large repositories of publicly-available, molecular data can be combined to generate and evaluate evolutionary hypotheses for many species, including algae. In the case of biological invasions, the combination of different molecular markers has enabled the description of the geographic distribution of invasive lineages. Here, we review the phylogeography of the widespread invasive red macroalga Agarophyton vermiculophyllum (synonym Gracilaria vermiculophylla). The cox1 barcoding provided the first description of the invasion history and hinted at a strong genetic bottleneck during the invasion. Yet, more recent microsatellite and SNP genotyping has not found evidence for bottlenecks and instead suggested that genetically diverse inocula arose from a highly diverse source population, multiple invasions, or some mix of these processes. The bottleneck evident from cox1 barcoding likely reflects the dominance of one mitochondrial lineage, and one haplotype in particular, in the northern source populations in Japan. Recent cox1 sequencing of A. vermiculophyllum has illuminated the complexity of phylogeographic structure in its native range of the northwest Pacific Ocean. For example, the western coast of Honshu in the Sea of Japan displays spatial patterns of haplotypic diversity with multiple lineages found together at the same geographic site. By consolidating the genetic data of this species, we clarify the phylogenetic relationships of a well-studied macroalga introduced to virtually every temperate estuary of the Northern Hemisphere 
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650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Review 
650 4 |a CO1 
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700 1 |a Byers, James E  |e verfasserin  |4 aut 
700 1 |a Bonthond, Guido  |e verfasserin  |4 aut 
700 1 |a Terada, Ryuta  |e verfasserin  |4 aut 
700 1 |a Weinberger, Florian  |e verfasserin  |4 aut 
700 1 |a Sotka, Erik E  |e verfasserin  |4 aut 
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