• 제목/요약/키워드: Penares

검색결과 4건 처리시간 0.017초

핵자기공명분광기를 이용한 해면동물 Penares incrustans에서 분리된 스테로이드 화합물의 분석 (NMR Spectral Analysis of Steroids Isolated from the Sponge Penares incrustans)

  • 서영완
    • 한국양식학회지
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    • 제15권3호
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    • pp.139-143
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    • 2002
  • 해면동물 P. incrustans 시료를 거제도 해금강 연안에서 SCUBA 다이빙에 의하여 채집하였으며, 채집한 시료를 메탄올로 반복해서 추출한 후에 다시 dichloromethane으로 반복 추출하였다 얻어진 유기 조추출물을 n-butanol과 물을 이용하여 분배한 후 n-butanol 층은 다시 15% 메탄올 수용액층과 n-hexane으로 분배하였다. n-Hexane 분배 분획에 대한 silica flash chromatography와 이렇게 얻어진 크로마토그래피 분획에 대한 반복적인 HPLC에 의해서 saringosterol을 분리할 수 있었으며, 이차원적 핵자기 공명 분광기법에 의하여 이 화합물을 구성하는 탄소원자들의 위치를 정확히 지정할 수 있었다. 이 스테로이드는 아직까지 우리나라에서 채집한 해양생물에서는 분리된 적이 없으며 이 화합물의 탄소 위치에 대한 정확한 지정도 처음으로 이루어졌다.

A New Species of the Genus Penares (Demospongiae: Astrophorida: Ancorinidae) from Korea

  • Jeon, Yong-Jin;Sim, Chung-Ja
    • Animal Systematics, Evolution and Diversity
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    • 제25권2호
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    • pp.141-144
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    • 2009
  • A new marine sponge in the family Ancorinidae, Penares hongdoensis n. sp. was collected from Hongdo Island, Korea by SCUBA diving in 2004. P. hongdoensis n. sp. is closely related to P. cortius de Laubenfels, 1930 in their spicules. However, they differ in kind and size of spicules and growth form. The dichotriaene rhabds of new species are larger than that of P. cortius. And the new species has oxyaster, but P. cortius has oxyspheraster. Although the growth forms of both species are irregular massive, this new species shows conspicuous long projection toward upper part.

Sponge-Specific Unknown Bacterial Groups Detected in Marine Sponges Collected from Korea Through Barcoded Pyrosequencing

  • Jeong, Jong-Bin;Kim, Kyoung-Ho;Park, Jin-Sook
    • Journal of Microbiology and Biotechnology
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    • 제25권1호
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    • pp.1-10
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    • 2015
  • The bacterial diversity of 10 marine sponges belonging to the species Cliona celata, an unidentified Cliona species, Haliclona cinerea, Halichondria okadai, Hymeniacidon sinapium, Lissodendoryx isodictyalis, Penares incrustans, Spirastrella abata, and Spirastrella panis collected from Jeju Island and Chuja Island was investigated using amplicon pyrosequencing of the 16S rRNA genes. The microbial diversity of these sponges has as of yet rarely or never been investigated. All sponges, except Cliona celata, Lissodendoryx isodictyalis, and Penares incrustans, showed simple bacterial diversity, in which one or two bacterial OTUs occupied more than 50% of the pyrosequencing reads and their OTU rank abundance curves saturated quickly. Most of the predominant OTUs belonged to Alpha-, Beta-, or Gammaproteobacteria. Some of the OTUs from the sponges with low diversity were distantly (88%~89%) or moderately (93%~97%) related to known sequences in the GenBank nucleotide database. Phylogenetic analysis showed that many of the representative sequences of the OTUs were related to the sequences originating from sponges and corals, and formed sponge-specific or -related clades. The marine sponges investigated herein harbored unexplored bacterial diversity, and further studies should be done to understand the microbes present in sponges.

南韓의 海産 海綿動物의 分類 (I) (Marine Sponges in South Korea (I))

  • Kim, Hoon-Soo;Park, Boon-Jo;Sim, Chong-Ja
    • 한국동물학회지
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    • 제11권2호
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    • pp.37-47
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    • 1968
  • 著者들이 1956年부터 1967年까지의 其間에 南韓의 海岸一帶에서 採集한 海綿動物을 同定分類한 結果 다음과 같이 10科 14屬 17種을 얻었다. 17種中 Halichondria japonica Kadota 以外의 16種은 韓國未記錄種이다. Family Haliclonidae: 1. Haliclona permollis; Family Callyspongiidae: 2. Callyspongia elegans, 3. C. ramosa, 4. Ceraochalina differentiata; Family halichondriidae: 5. Halichondria japonica, 6. H. okadai, 7. H. oshoro, 8. H. panicea; Family Suberitidae: 9. Suberites ficus; Family Myxillidae: 10. Myxilla setoensis, 11. Lissodendoryx isodictyalis; Family Ophlitaspondiidae: 12. Ophlitaspongia noto, 13. Mycale plumosa; Family Ancorinidae: 14. Penares incrustans; Family Tethyidae: 15. Tethya japonica; Family Grantiidae: 16. Leucandra tuba; Family Heteropiidae: 17. Vosmaeropsis japonica.

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