播磨灘海底泥中から見いだされた大型珪藻Ｃｏｓｃｉｎｏｄｉｓｃｕｓ　ｗａｉｌｅｓｉｉ　ＧＲＡＮ休眠細胞の形態と復活過程

• 長井 敏

  兵庫県立水産試験場

• 堀 豊

  兵庫県立水産試験場

• 眞鍋 武彦

  兵庫県但馬水産事務所試験研究室

• 今井 一郎

  南西海区水産研究所 京都大学農学部熱帯農学専攻水産資源学講座

書誌事項

タイトル別名

• Morphology and Rejuvenation of Coscinodiscus wailesii GRAN (Bacillariophyceae) Resting Cells Found in Bottom Sediments of Harima-Nada, Seto Inland Sea, Japan.
• ハリマナダ カイテイ デイチュウ カラ ミイダサレタ オオガタ ケイソウ Co

抄録

The diatom Coscinodiscus wailesii GRAN is one of the harmful species that causes serious damage to Nori (Porphyra) culture in the coastal sea of Japan. We found resting cells of C. wailesii in sediments of Harima-Nada, Seto Inland Sea, Japan. The resting cells in the sediments were distinguished from vegetative cells because the cytoplasms of resting cells were partially separated from their frustules and were concentrated in the center of the cell. When isolated resting cells were incubated at 20°C under continuous illumination of 65μmol· m^-2, s^-1, these cells showed a quick response of morphological change into vegetative cells. About 70% of the resting cells rejuvenated and about 80% of the rejuvenated cells finished their first cell divisions within 48 hours. This diatom can survive under dark conditions for long periods (at least 15 months) and can rejuvenate rapidly with adequate light, temperature and nutrients. These results suggest that resting cells might be responsible in seeding for the bloom of this diatom in Harima-Nada.

収録刊行物

• 日本水産学会誌

  日本水産学会誌 61 (2), 179-185, 1995

  公益社団法人 日本水産学会

キーワード

• 珪藻
• 休眠細胞
• 播磨灘

詳細情報

• CRID: 1390001206413812096
• NII論文ID: 10004846565
• NII書誌ID: AN00193422
• DOI: 10.2331/suisan.61.179
• ISSN: 1349998X
• ISSN: 00215392
• ISSN: http://id.crossref.org/issn/00215392
• NDL書誌ID: 3618581
• Web Site: https://agriknowledge.affrc.go.jp/RN/2010531929
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I3618581
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • IRDB
  • NDL
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可