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241028s2024 xx |||||o 00| ||eng c |
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|a 10.1111/jpy.13508
|2 doi
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|a pubmed24n1583.xml
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|a eng
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|a Thornton, Brinkley M
|e verfasserin
|4 aut
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|a Clonality contributes to the spread of Avrainvillea lacerata (Bryopsidales, Chlorophyta) in Hawai'i
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a Date Revised 28.10.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © 2024 The Author(s). Journal of Phycology published by Wiley Periodicals LLC on behalf of Phycological Society of America.
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|a The relative rates of sexual versus asexual reproduction influence the partitioning of genetic diversity within and among populations. During range expansions, asexual reproduction often facilitates colonization and establishment. The arrival of the green alga Avrainvillea lacerata has caused shifts in habitat structure and community assemblages since its discovery in 1981 offshore of O'ahu, Hawai'i. Field observations suggest this species is spreading via vegetative reproduction. To characterize the reproductive system of A. lacerata in Hawai'i, we developed seven microsatellite loci and genotyped 321 blades collected between 2018 and 2023 from three intertidal sites at Maunalua Bay and 'Ewa Beach. We observed one to four alleles at multiple loci, suggesting A. lacerata is tetraploid. Each site was characterized by high genotypic richness (R > 0.8). However, clonal rates were also high, suggesting the vegetative spread of A. lacerata plays a significant role. The importance of clonal reproduction for the persistence of A. lacerata in Hawai'i is consistent with the ecological data collected for this species and observations of other abundant macroalgal invaders in Hawai'i and other regions of the world. These data demonstrate the necessity for implementing appropriate population genetic methods and provide insights into the biology of this alga that will contribute to future studies on effective management strategies incorporating its reproductive system. This study represents one of the few that investigate green algal population genetic patterns and contributes to our understanding of algal reproductive system evolution
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|a Journal Article
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|a clonality
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|a invasion
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|a life cycle
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|a non‐native
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|a polyploid
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|a seaweed
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|a Spalding, Heather L
|e verfasserin
|4 aut
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|a Stoeckel, Solenn
|e verfasserin
|4 aut
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|a Harris, Melissa L
|e verfasserin
|4 aut
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|a Wade, Rachael M
|e verfasserin
|4 aut
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|a Krueger-Hadfield, Stacy A
|e verfasserin
|4 aut
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|i Enthalten in
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|u http://dx.doi.org/10.1111/jpy.13508
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