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  1. 040 理学部
  2. 0402 紀要
  3. 04021 Journal of the Faculty of Science, Shinshu University
  4. Vol. 27

Life cycle of Peridinium bipes f. occulatum (Dinophyceae) isolated from Lake Kizaki.

http://hdl.handle.net/10091/10618
http://hdl.handle.net/10091/10618
d6a5144d-c78b-4fc2-89be-7d7288681231
名前 / ファイル ライセンス アクション
Science27-02-03.pdf Science27-02-03.pdf (5.2 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2010-10-06
タイトル
タイトル Life cycle of Peridinium bipes f. occulatum (Dinophyceae) isolated from Lake Kizaki.
言語
言語 eng
キーワード
主題 Cyst, Encystment, Excystment, Life cycle, Peridinium bipes
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
著者 PARK, Ho-Dong

× PARK, Ho-Dong

en PARK, Ho-Dong

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HAYASHI, Hidetake

× HAYASHI, Hidetake

en HAYASHI, Hidetake

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出版者
出版者 信州大学理学部
引用
内容記述 信州大学理学部紀要 27(2): 87-104(1993)
書誌情報 信州大学理学部紀要

巻 27, 号 2, p. 87-104, 発行日 1993-02-26
抄録
内容記述 Encystment and excystment in the life cycle of a dinoflagellate Peridinium bipes f. occulatum (Lindem.) Lef., which was isolated from Lake Kizaki, were investigated by use of a clonal population. Sexual reproduction was induced in P. bipes inoculating exponentially growing cells into N-free Carefoot's medium. The sexual life history of P. bipes resembles that reported for P. willei and P. cinctum in many respects: isogampus and homothallic gamete; the gametes resemble small, naked, vegetative cells ; lateral fusion with a long living planozygotic stage in which the zygotes enlarge and become warty ; hypnozygote with 3 walls (exsospore, mesospore and endospore); hypnozygote characterized by one or more large red oil droplets. However, the difference of P. bipes from P. cinctum and P. willei is that the post-zygotic cell of P. bipes divided into one cell with a red oil droplet and one without it. From the encystment experiment of P. bipes, very low encystment was observed below 10℃. The temperature range which permitted encystment was 15 to 25℃. Although cyst formation was observed even in continuous dark, the frequency of encystment increased with the light intensity. Under continuous dark conditions, no excystment was observed at any temperature from 5 to 25℃. The cysts illuminated at 105 μE/㎡/S excysted at the frequency of 81 % after 13 days incubation at 15℃, and lower light intensities led to decreases in germination frequency. Excystment frequency of this species depended on light intensity. The experiments described here demonstrate that light is a critical factor in the germination of P. bipes cysts, affecting excystment frequency.
資源タイプ(コンテンツの種類)
ISSN
収録物識別子タイプ PISSN
収録物識別子 0583-063X
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA00697923
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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Cite as

PARK, Ho-Dong, HAYASHI, Hidetake, 1993, Life cycle of Peridinium bipes f. occulatum (Dinophyceae) isolated from Lake Kizaki.: 信州大学理学部, 87–104 p.

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