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首页> 外文期刊>Marine ecology >Ecophysiological differences between vesicomyid species and metabolic capabilities of their symbionts influence distribution patterns of the deep‐sea clams
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Ecophysiological differences between vesicomyid species and metabolic capabilities of their symbionts influence distribution patterns of the deep‐sea clams

机译：叶癌物种与其共生的代谢能力之间的生态学差异影响了深海蛤蜊的分布模式

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摘要

This study provides an analysis of vesicomyid bivalve-symbiont community distribution across cold seep and hydrothermal vent areas in the Guaymas Basin (Gulf of California, Mexico). Using a combination of morphological and molecular approaches including fluorescent in situ hybridization (FISH), and electronic microscopy observations, vesicomyid clam species and their associated symbionts were characterized and results were analyzed in light of geochemical conditions and other on-site observations. A greater diversity of vesicomyids was found at cold seep areas, where three different species were present (Phreagena soyoae [syn. kilmeri], Archivesica gigas, and Calyptogena pacifica). In contrast, A. gigas was the only species sampled across the hydrothermal vent area. The same haplotype of A. gigas was found in both hydrothermal vent and cold seep areas, highlighting possible contemporary exchanges among neighboring vents and seeps. In either ecosystem, molecular characterization of the symbionts confirmed the specificity between symbionts and hosts and supported the hypothesis of a predominantly vertical transmission. In addition, patterns of clams could reflect potential niche preferences for each species. The occurrence of numerous traces of vesicomyid movements on sediments in the sites colonized by A. gigas seemed to indicate that this species might have a better ability to move. Furthermore, variation in gill sulfur content could reveal a higher plasticity and sulfur storage capacity in A. gigas. Thus, the distribution of vesicomyid species across the chemosynthetic areas of the Guaymas Basin could be explained by differences in biological traits of the vesicomyid species that would allow A. gigas to more easily exploit transient and punctual sources of available sulfide than P. soyoae.
机译：本研究介绍了跨国盆地冷渗流和热热通风区VESICOMYID双抗体 - Symbiont群落分布的分析（加利福尼亚州的墨西哥湾）。使用包括荧光杂交（鱼）的形态和分子方法的组合，以及电子显微镜观察，表征vesicomyid蛤蜊物种及其相关的共生，并根据地球化学条件和其他现场观察分析结果。在寒冷的渗透区域发现了更大的vesicomyids，其中存在三种不同的物种（Phreagena soyoae [syn.kilmeri]，Archivesica Gigas和Calyptogena pacifica）。相比之下，A. Gigas是唯一在水热通风区采样的物种。 A. Gigas的相同单倍型被发现在水热通风口和冷渗在寒冷地区，突出了邻近通风口和渗漏的当代交换。在生态系统中，Symbionts的分子表征证实了Symbionts和宿主之间的特异性，并支持主要垂直传输的假设。此外，蛤蜊的模式可以反映每个物种的潜在的利基偏好。在由A.Gigas殖民地殖民地沉积物中沉积物的许多VesicomyID运动的发生似乎表明该物种可能具有更好的移动能力。此外，Gill硫含量的变化可以揭示A. Gigas的较高的可塑性和硫储存能力。因此，围绕瓜构盆地的化学基因面积的叶蛋白酶物种的分布可以通过脓疱胚芽物种的生物学性状的差异来解释，这将允许A. Gigas更容易利用可用硫化物的瞬态和准时来源而不是P. Soyoae。

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  • 来源
    《Marine ecology》 |2019年第3期|e12541.1-e12541.16|共16页
  • 作者

    Cruaud Perrine; Decker Carole; Olu Karine; Arnaud-Haond Sophie; Papot Claire; Le Baut Jocelyn; Vigneron Adrien; Khripounoff Alexis; Gayet Nicolas; Cathalot Cecile; Caprais Jean-Claude; Pignet Patricia; Godfroy Anne; Cambon-Bonavita Marie-Anne;

  • 作者单位

    IFREMER Lab Microbiol Environm Extremes UMR6197 Technopole Brest Iroise Plouzane France|Univ Bretagne Occidentale UMR6197 Lab Microbiol Environm Extremes Plouzane France|CNRS UMR6197 Lab Microbiol Environm Extremes Technopole Brest Iroise Plouzane France;

    IFREMER Ctr Bretagne Lab Environm Profond REM EEP LEP Technopole Brest Iroise Plouzane France;

    IFREMER Ctr Bretagne Lab Environm Profond REM EEP LEP Technopole Brest Iroise Plouzane France;

    IFREMER Ctr Bretagne Lab Environm Profond REM EEP LEP Technopole Brest Iroise Plouzane France|Univ Montpellier CNRS Inst Francais Rech Exploitat Mer MARBEC IRD Sete France;

    IFREMER Ctr Bretagne Lab Environm Profond REM EEP LEP Technopole Brest Iroise Plouzane France;

    IFREMER Ctr Bretagne Lab Environm Profond REM EEP LEP Technopole Brest Iroise Plouzane France;

    IFREMER Lab Microbiol Environm Extremes UMR6197 Technopole Brest Iroise Plouzane France|Univ Bretagne Occidentale UMR6197 Lab Microbiol Environm Extremes Plouzane France|CNRS UMR6197 Lab Microbiol Environm Extremes Technopole Brest Iroise Plouzane France;

    IFREMER Ctr Bretagne Lab Environm Profond REM EEP LEP Technopole Brest Iroise Plouzane France;

    IFREMER Ctr Bretagne Lab Environm Profond REM EEP LEP Technopole Brest Iroise Plouzane France;

    IFREMER Ctr Bretagne Lab Environm Profond REM EEP LEP Technopole Brest Iroise Plouzane France;

    IFREMER Ctr Bretagne Lab Environm Profond REM EEP LEP Technopole Brest Iroise Plouzane France;

    IFREMER Lab Microbiol Environm Extremes UMR6197 Technopole Brest Iroise Plouzane France|Univ Bretagne Occidentale UMR6197 Lab Microbiol Environm Extremes Plouzane France|CNRS UMR6197 Lab Microbiol Environm Extremes Technopole Brest Iroise Plouzane France;

    IFREMER Lab Microbiol Environm Extremes UMR6197 Technopole Brest Iroise Plouzane France|Univ Bretagne Occidentale UMR6197 Lab Microbiol Environm Extremes Plouzane France|CNRS UMR6197 Lab Microbiol Environm Extremes Technopole Brest Iroise Plouzane France;

    IFREMER Lab Microbiol Environm Extremes UMR6197 Technopole Brest Iroise Plouzane France|Univ Bretagne Occidentale UMR6197 Lab Microbiol Environm Extremes Plouzane France|CNRS UMR6197 Lab Microbiol Environm Extremes Technopole Brest Iroise Plouzane France;

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  • 正文语种 eng
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  • 关键词

    deep-sea ecosystems; Guaymas Basin; marine ecology; pliocardinae bivalve; sulfur storage; vesicomyid movements;

    机译：深海生态系统;Guaymas盆地;海洋生态学;普利科纳替纳氏植物;硫储存;VESICOMYID运动;

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