Morphological features and viability of Scrippsiella trochoidea cysts isolated from fecal pellets of the polychaete Capitella sp.
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Title
- Morphological features and viability of Scrippsiella trochoidea cysts isolated from fecal pellets of the polychaete Capitella sp.
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Author(s)
- Shin, Hyeon Ho; Li, Zhun; Kim, Young-Ok; Jung, Seung Won; Han, Myung-Soo; Lim, WolAe; Yoon, Yang Ho
- KIOST Author(s)
- Shin, Hyeon Ho(신현호); Kim, Young Ok(김영옥); Jung, Seung Won(정승원)
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Alternative Author(s)
- 신현호; LIZHUN; 김영옥; 정승원
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Publication Year
- 2014-07
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Abstract
- 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. (C) 2014 Elsevier B.V. All rights reserved.
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ISSN
- 1568-9883
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/2783
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DOI
- 10.1016/j.hal.2014.05.005
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Bibliographic Citation
- HARMFUL ALGAE, v.37, pp.47 - 52, 2014
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Publisher
- ELSEVIER SCIENCE BV
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Subject
- OYSTER CRASSOSTREA-VIRGINICA; DINOFLAGELLATE CYSTS; RESTING CYSTS; DEPOSIT FEEDERS; GAMAK BAY; DINOPHYCEAE; GERMINATION; INGESTION; LACHRYMOSA; HYPOXIA
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Keywords
- Fecal pellet; Grazing; Scrippsiella trochoidea cyst; Capitella sp.
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Type
- Article
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Language
- English
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Document Type
- Article
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