Epipelagic zooplankton diversity in the deep water region of the Gulf of Mexico: a metabarcoding survey

Martinez Miguel A.; Hereu Clara Maria; Arteaga Maria Clara; Jimenez-Rosenberg Sylvia P. A.; Herzka Sharon Z.; Saavedra-Flores Anaid; Robles-Flores Javier; Gomez-Reyes Ricardo; Gabriela Batta-Lona Paola; Gasca-Pineda Jaime; Galindo-Sanchez Clara E.

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Epipelagic zooplankton diversity in the deep water region of the Gulf of Mexico: a metabarcoding survey

机译：epipelagic zooplankton在墨西哥湾深水区的多样性：一个元沟程调查

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Zooplankton is a key component in marine ecosystem health assessment. Here, we present a taxonomically comprehensive description of the zooplankton community (0-200 m) based on metabarcoding of the V9 hypervariable region of the 18S rRNA gene of 47 samples collected in the Gulf of Mexico (GoM) during summer 2015. Fourteen phyla were identified Arthropoda were dominant, with Calanidae, Metridinidae, and Euphausiidae as the most conspicuous families. Other abundant phyla were Cnidaria (Hydrozoa), Chordata (Tunicata), and Chaetognatha. The V9-18S sequence data were clustered into 1888 Operational Taxonomic Units (OTUs), of which 39 were cosmopolitan and belonging to various phyla, suggesting the presence of a core community with high local diversity throughout the GoM. Evaluation of metabarcoding sequences abundance showed overall positive correlations with morphologically quantified abundances except for specific groups. Cluster analysis of OTU distributions indicated two primary biographically distinctive groups of stations: one restricted to the Bay of Campeche, while the other occurred in the Central-West GoM, similar to previous descriptions of regional variation of the GoM based on environmental variables. Together these results provide a foundation for broad-scale zooplankton molecular biodiversity assessments in the southern GoM allowing evaluation of the effects of environmental changes on zooplankton communities.

机译：Zooplankton是海洋生态系统健康评估中的关键组成部分。在这里，我们基于在2015年夏季墨西哥湾（GOM）中收集的18S rRNA基因的V9 rRNA基因的V9 rRNA基因的V9 rRNA基因的v9 rRNA基因的v9 rRNA基因的成立，提出了Zooplankton群落（0-200米）的分类。鉴定的节肢动物是占优势的，含有Calanidae，Metridinidae和Euphausiidae作为最具显着的家庭。其他丰富的Phyla是Cnidaria（羟基），Chordata（Tunicata）和Chaetognatha。将V9-18S序列数据聚集成1888个运营分类单位（OTUS），其中39个是过多的，属于各种植物，表明整个GOM中具有高局部多样性的核心界存在。除了特定群体之外，核肉序列序列的评价显示出与形态学定量丰度的总相关性。 OTU分布的集群分析表明了两个主要的简影独特的车站：一个限制在坎佩切湾，而另一个在中西部GOM中发生，类似于基于环境变量的GOM区域变化的先前描述。这些结果共同为南戈麦州的广泛浮游植物分子生物多样性评估提供了基础，允许评估环境变化对浮游动物社区的影响。

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《ICES Journal of Marine Science》 |2021年第9期|3317-3332|共16页
作者
Martinez Miguel A.; Hereu Clara Maria; Arteaga Maria Clara; Jimenez-Rosenberg Sylvia P. A.; Herzka Sharon Z.; Saavedra-Flores Anaid; Robles-Flores Javier; Gomez-Reyes Ricardo; Gabriela Batta-Lona Paola; Gasca-Pineda Jaime; Galindo-Sanchez Clara E.;
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Ctr Invest Cient & Educ Super Ensenada CICESE Dept Biotechnol Marina Ensenada 22860 Baja California Mexico;

Ctr Invest Cient & Educ Super Ensenada CICESE Dept Biotechnol Marina Ensenada 22860 Baja California Mexico;

Ctr Invest Cient & Educ Super Ensenada CICESE Dept Biol Ensenada 22860 Baja California Mexico;

Inst Politecn Nacl CICIMAR Dept Plancton & Ecol Marina Baja California Sur 23096 Mexico;

Ctr Invest Cient & Educ Super Ensenada CICESE Dept Ecol Marina Ensenada 22860 Baja California Mexico;

Ctr Invest Cient & Educ Super Ensenada CICESE Dept Biotechnol Marina Ensenada 22860 Baja California Mexico;

Ctr Invest Cient & Educ Super Ensenada CICESE Dept Biotechnol Marina Ensenada 22860 Baja California Mexico;

Ctr Invest Cient & Educ Super Ensenada CICESE Dept Biotechnol Marina Ensenada 22860 Baja California Mexico;

Ctr Invest Cient & Educ Super Ensenada CICESE Dept Biotechnol Marina Ensenada 22860 Baja California Mexico|Univ Connecticut Marine Sci Dept Groton CT 06340 USA;

Ctr Invest Cient & Educ Super Ensenada CICESE Dept Biol Ensenada 22860 Baja California Mexico|Univ Nacl Autonoma Mexico Unidad Biotecnol & Prototipos UBIPRO Fac Estudios Super Iztacala Mexico City DF Mexico;

Ctr Invest Cient & Educ Super Ensenada CICESE Dept Biotechnol Marina Ensenada 22860 Baja California Mexico;

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正文语种 eng
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关键词
Bay of Campeche; Gulf of Mexico; metabarcoding; V9-18S rRNA; zooplankton;

机译：坎佩切湾;墨西哥湾;元流术;v9-18s rrna;浮游动物;

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Epipelagic zooplankton diversity in the deep water region of the Gulf of Mexico: a metabarcoding survey

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