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首页> 外文期刊>Harmful Algae >Morphological features and viability of Scrippsiella trochoidea cysts isolated from fecal pellets of the polychaete Capitella sp.
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Morphological features and viability of Scrippsiella trochoidea cysts isolated from fecal pellets of the polychaete Capitella sp.

机译：从多壳类小山羊藻粪便中分离出的拟南芥孢囊肿的形态学特征和生存力。

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摘要

To investigate the impact of grazing by the polychaete Capitella sp. on the two cyst morphotypes of Scrippsiella trochoidea, the typical morphotype with short calcareous spines (spiny-type cyst) and artificially induced the transparent type without calcareous spines (naked-type cyst), we examined the morphological features and germination capability of the two cyst morphotypes isolated from fecal pellets of the polychaete Capitella sp. produced in a restricted habitat. The morphological destruction was observed in both spiny- and naked type cysts after passage through the gut of Capitella sp., and this seemed to occur rapidly for naked-type cysts. In addition, the germination of both spiny- and naked-type cysts isolated from fecal pellets on day 2 of harvesting was significantly reduced and subsequently completely abolished, in contrast to previous findings from ingestion studies. Our results indicate that continual grazing by Capitella sp. within a restricted habitat can compromise the survival of S. trochoidea cysts.
机译：要调查多毛小山羊（Capitella sp。）放牧的影响。在Schopsipsiella trochoidea的两种囊肿形态上，典型的形态是钙质短棘（棘型囊肿）和人工诱导的透明型无钙质棘（裸露型囊肿），我们研究了这两种囊肿的形态特征和萌发能力从多毛羚小肠菌的粪便颗粒分离得到的形态型。在有限的栖息地生产。穿过Capitella sp。的肠道后，在棘型和裸露型囊肿中均观察到形态破坏，而裸露型囊肿似乎迅速发生这种破坏。此外，与先前的摄入研究结果相反，在收获的第2天从粪便中分离出的棘突型和裸露型囊肿的发芽均明显减少，随后被完全消除。我们的结果表明Capitella sp。持续放牧。在有限的栖息地内可能会危害到Trochoidea囊肿的生存。

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  • 来源
    《Harmful Algae》 |2014年第7期|47-52|共6页
  • 作者

    Hyeon Ho Shin; Zhun LI; Young-Ok Kim; Seung Won Jung; Myung-Soo Han; WolAe Lim; Yang Ho Yoon;

  • 作者单位

    Library of Marine Samples, Korea Institute of Ocean Science and Technology, Geoje 656-830, Republic of Korea;

    Library of Marine Samples, Korea Institute of Ocean Science and Technology, Geoje 656-830, Republic of Korea,Department of Life Science, Hanyang University, Seoul 133-791, Republic of Korea;

    South Sea Institute, Korea Institute of Ocean Science and Technology, Geoje 656-830, Republic of Korea;

    Library of Marine Samples, Korea Institute of Ocean Science and Technology, Geoje 656-830, Republic of Korea;

    Department of Life Science, Hanyang University, Seoul 133-791, Republic of Korea;

    Fishery and Ocean Information Division, NFRDI, Republic of Korea;

    Faculty of Marine Technology, Chonnam National University, Mipyeongro 386, Yeosu 550-749, Republic of Korea;

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  • 正文语种 eng
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  • 关键词

    Capitella sp.; Fecal pellet; Grazing; Scrippsiella trochoidea cyst;

    机译：Capitella sp。;粪便颗粒;放牧;拟南芽孢杆菌囊肿;

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