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首页> 外文期刊>ICES Journal of Marine Science >Ciliate microzooplankton from the Northeastern Gulf of Mexico
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Ciliate microzooplankton from the Northeastern Gulf of Mexico

机译：来自墨西哥湾东北部的Ciliate Microzooplant

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摘要

Microzooplankton mediate a critical juncture of autotrophic and heterotrophic microbial production in the water column. Taxonomic and ecological work on this group has been substantial, yet few reports exist for the offshore waters of the Gulf of Mexico (GOM). This report focuses on protists in the phylum Ciliophora collected at stations spanning the continental shelf in the northeastern GOM. We hypothesized that patterns of spatial distribution across the region would be west-east along the coast, rather than north-south coastal to offshore, reflecting major freshwater sources. Samples were obtained by 10 mm plankton net for microscopy and by filtration of seawater for DNA extraction and ciliate-specific clone sequencing. Microscopy and molecular analysis recovered 46 and 156 taxa, respectively. Some visually identified taxa were missing from the sequence analysis and sequences from unknown species dominated molecular results. Differences were apparent with both dominant and rare taxa between February and July sampling and across a trophic gradient from coastal influenced stations to those more representative of the offshore environment. This report provides new data on ciliate microzooplankton richness and distribution in the GOM and adds to our understanding of microzooplankton diversity in the ocean.
机译：Microzooplankton在水柱中介绍了自养和异养微生物生产的关键时刻。本集团的分类和生态工作很大，但墨西哥湾（GOM）的离岸水域存在很少有报道。本报告重点介绍了在跨越东北GOM的大陆架的电站收集的Piliophora中的保护者。我们假设该地区的空间分布模式将是海岸的西部，而不是南北沿海到海上，反映了主要的淡水来源。通过10mM浮游生净净净的显微镜获得样品，并通过过滤海水进行DNA提取和纤维化特异性克隆测序。显微镜和分子分析分别恢复了46和156个分类群。从未知物种的序列分析和序列中缺少一些可视鉴定的分类群占据了分子结果的序列分析和序列。二月和七月在沿海受影响的站的冠军梯度与沿海环境的那些更代表的潜力梯度，差异是显而易见的。本报告提供了关于金属蛋白的丰富性和分布的新数据，并为我们对海洋中微小径的理解。

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