High-Throughput DNA Metabarcoding as an Approach for Ichthyoplankton Survey in Oujiang River Estuary, China

High-throughput DNA metabarcoding of mitochondrial 12S rRNA and Cyt b gene sequences was coupled with a morphology-based identification tool to assess ichthyoplankton community structure in Oujiang River Estuary, China. The performances of 12S and Cyt b barcoding markers were compared in terms of ta...

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Main Authors: Rijin Jiang, James Leonard Lusana, Yongjiu Chen
Format: Article
Language:English
Published: MDPI AG 2022-12-01
Series:Diversity
Subjects:
Online Access:https://www.mdpi.com/1424-2818/14/12/1111
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author Rijin Jiang
James Leonard Lusana
Yongjiu Chen
author_facet Rijin Jiang
James Leonard Lusana
Yongjiu Chen
author_sort Rijin Jiang
collection DOAJ
description High-throughput DNA metabarcoding of mitochondrial 12S rRNA and Cyt b gene sequences was coupled with a morphology-based identification tool to assess ichthyoplankton community structure in Oujiang River Estuary, China. The performances of 12S and Cyt b barcoding markers were compared in terms of taxonomic resolution, detection and coverage, and their suitability was established for use as a quick and powerful ichthyoplankton assessment tool. A total of 30,138 ichthyoplankton (2462 eggs and 27,676 larvae) samples were collected from April to August 2015 and identified to 145 taxa belonging to 57 families and 105 genera. June and July were the main spawning months. Ichthyoplankton were more abundant around Lingkun and Qidu Islands and the upper parts of Oujiang River Estuary. The 12S gene marker presented higher species coverage and detection rate than Cyt b. DNA metabarcoding exhibited more representative species identification power than morphology. The findings reported in this study provided a key attempt towards the development of time-efficient and cost-effective ichthyoplankton identification and assessment tool.
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spelling doaj.art-9bebe0da4a4a4125bdc0be0b8e8c0c332023-11-24T14:23:48ZengMDPI AGDiversity1424-28182022-12-011412111110.3390/d14121111High-Throughput DNA Metabarcoding as an Approach for Ichthyoplankton Survey in Oujiang River Estuary, ChinaRijin Jiang0James Leonard Lusana1Yongjiu Chen2Zhejiang Marine Fisheries Research Institute, Zhoushan 316021, ChinaCollege of Marine Science and Technology, Zhejiang Ocean University, Zhoushan 316022, ChinaCollege of Marine Science and Technology, Zhejiang Ocean University, Zhoushan 316022, ChinaHigh-throughput DNA metabarcoding of mitochondrial 12S rRNA and Cyt b gene sequences was coupled with a morphology-based identification tool to assess ichthyoplankton community structure in Oujiang River Estuary, China. The performances of 12S and Cyt b barcoding markers were compared in terms of taxonomic resolution, detection and coverage, and their suitability was established for use as a quick and powerful ichthyoplankton assessment tool. A total of 30,138 ichthyoplankton (2462 eggs and 27,676 larvae) samples were collected from April to August 2015 and identified to 145 taxa belonging to 57 families and 105 genera. June and July were the main spawning months. Ichthyoplankton were more abundant around Lingkun and Qidu Islands and the upper parts of Oujiang River Estuary. The 12S gene marker presented higher species coverage and detection rate than Cyt b. DNA metabarcoding exhibited more representative species identification power than morphology. The findings reported in this study provided a key attempt towards the development of time-efficient and cost-effective ichthyoplankton identification and assessment tool.https://www.mdpi.com/1424-2818/14/12/1111ichthyoplanktonOujiang River Estuarymetabarcodingmorphology12SCyt b
spellingShingle Rijin Jiang
James Leonard Lusana
Yongjiu Chen
High-Throughput DNA Metabarcoding as an Approach for Ichthyoplankton Survey in Oujiang River Estuary, China
Diversity
ichthyoplankton
Oujiang River Estuary
metabarcoding
morphology
12S
Cyt b
title High-Throughput DNA Metabarcoding as an Approach for Ichthyoplankton Survey in Oujiang River Estuary, China
title_full High-Throughput DNA Metabarcoding as an Approach for Ichthyoplankton Survey in Oujiang River Estuary, China
title_fullStr High-Throughput DNA Metabarcoding as an Approach for Ichthyoplankton Survey in Oujiang River Estuary, China
title_full_unstemmed High-Throughput DNA Metabarcoding as an Approach for Ichthyoplankton Survey in Oujiang River Estuary, China
title_short High-Throughput DNA Metabarcoding as an Approach for Ichthyoplankton Survey in Oujiang River Estuary, China
title_sort high throughput dna metabarcoding as an approach for ichthyoplankton survey in oujiang river estuary china
topic ichthyoplankton
Oujiang River Estuary
metabarcoding
morphology
12S
Cyt b
url https://www.mdpi.com/1424-2818/14/12/1111
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