2022
DOI: 10.1007/s00300-022-03084-7
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DNA metabarcoding data reveals harmful algal-bloom species undescribed previously at the northern Antarctic Peninsula region

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Cited by 10 publications
(8 citation statements)
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“…New tools and methods are being developed to ameliorate this limitation (Gong and Marchetti 2019;Martin et al 2022), but so far, this cannot yet be applied to large datasets with diverse communities, particularly in the absence of genomic data for different species. In this regard, the prevalence and high relative contributions of dinoflagellate in this study and other metabarcoding surveys (Liu et al 2022) would be partially due to the high number of gene copies in this group (Gong et al 2013). However, the increase in dinoflagellates abundance from summer to autumn in the Ross Sea observed with metabarcoding data is in good agreement with previous reports based on pigments (Park et al 2021).…”
Section: Spatiotemporal Variability Across Rsrssupporting
confidence: 92%
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“…New tools and methods are being developed to ameliorate this limitation (Gong and Marchetti 2019;Martin et al 2022), but so far, this cannot yet be applied to large datasets with diverse communities, particularly in the absence of genomic data for different species. In this regard, the prevalence and high relative contributions of dinoflagellate in this study and other metabarcoding surveys (Liu et al 2022) would be partially due to the high number of gene copies in this group (Gong et al 2013). However, the increase in dinoflagellates abundance from summer to autumn in the Ross Sea observed with metabarcoding data is in good agreement with previous reports based on pigments (Park et al 2021).…”
Section: Spatiotemporal Variability Across Rsrssupporting
confidence: 92%
“…Consequently, genetic characterization is critical to understanding controls of community composition and function, and prediction of ecosystem response to climate change (Fuhrman and Campbell 1998; Farrant et al 2016; Bishop et al 2022). Current descriptions at such fine taxonomic level are scarce in the Southern Ocean (Lopes dos Santos et al 2022) and primarily focus on the Antarctic Peninsula (Maria et al 2021; Trefault et al 2021; Liu et al 2022). In the case of the RSR, phytoplankton taxonomic characterizations have been conducted mainly on the continental shelf (Arrigo et al 2000; Mangoni et al 2017), but not in the shelf‐slope and oceanic subregions, limiting the determination of climate change impacts in the wider region.…”
mentioning
confidence: 99%
“…Based on previous study, Group 2i is widely identified in seawater and ice samples in the Arctic Ocean, where other Isochrysidales are rare 3 . Here, we investigated DNA recovered from seawater samples collected in the Antarctic region and report the first identification of Group 2i in the Southern Ocean, from seawater samples collected during the austral summer in the northern Antarctic Peninsula region 17 (Fig. 2 ).…”
Section: Resultsmentioning
confidence: 99%
“…Bootstrap values that are > 50% are shown. Liu et al 17 collected surface water samples and water column samples in the northern Antarctic Peninsula region. Only three samples collected from water column at depth of 150 m, 200 m, 340 m at 60.85 S, 45.64 W recovered Isochrysidales DNA, all three ASVs falls into Group 2i.…”
Section: Resultsmentioning
confidence: 99%
“…En estas zonas altamente impactadas por el cambio climático que atravesarán cambios inminentes en sus ecosistemas es imprescindible relevar la biodiversidad (Verde et al 2016;Gutt et al 2018;Henley et al 2019). La composición de estas áreas podría verse altamente modificada; especies cosmopolitas de zonas cálido-templadas podrían reemplazar a especies criofílicas (Liu et al 2022). De este modo, los estudios que permiten conocer la identidad taxonómica de los principales organismos que conforman el fitoplancton son importantes para evaluar cambios a largo plazo en los ecosistemas.…”
Section: Capítulounclassified