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  Polyphenols with algicidal activity in the submerged macrophyte Myriophyllum spicatum L.

Gross, E. M., & Sütfeld, R. (1994). Polyphenols with algicidal activity in the submerged macrophyte Myriophyllum spicatum L. In M., Geibel, D., Treutter, & W., Feucht (Eds.), International Symposium on Natural Phenols in Plant Resistance (pp. 710-716). Wageningen: ISHS.

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資料種別: 会議論文

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Gross_1994.pdf (出版社版), 303KB
 
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 作成者:
Gross, Elisabeth M.1, 著者           
Sütfeld, Rainer1, 著者           
所属:
1Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976547              

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キーワード: Myriophyllum spicatum; submerged macrophyte; gallic acid; ellagic acid; polyphenol; chemical defence; allelopathy
 要旨: The role of phenols as defence mechanisms in various terrestrial plants is well studied. However, in aquatic environments, they are probably involved also in the chemical interactions between species. A periodic shift from dominance by submerged macrophytes to dominance by phytoplankton and vice versa without apparent change in the external nutrient loading is sometimes observed in shallow eutrophic lakes. Due to the fact that nutrient levels are not usually limiting to phytoplankton growth, the release of allelochemicals by macrophytes is suspected to be responsible for poor algal growth. Myriophyllum spicatum is known to produce several phenolic compounds. Aqueous methanolic extracts of fresh or lyophilized as well as axenic or non-axenic M. spicatum plant material exhibited strong algicidal activity against cyanobacteria. Chlorophytes and diatoms are also affected, but to a lesser extent. Bioassay directed fractionation of the extract lead to the isolation of two strong algicidal compounds. These compounds are constitutively present in the plant and were characterized as galloyl glycosides (500-1000 dalton). To test the ecological importance of these substances, the culture water was screened for exudated phenolic compounds. At least 5-10 different polyphenols could be detected. An algicidal galloyl ester and several derivatives of ellagic acid were among them. The possible release mechanisms and the mode of action of these polyphenols as defence compounds are discussed.

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言語: eng - English
 日付: 1994-12-01
 出版の状態: 出版
 ページ: -
 出版情報: -
 目次: -
 査読: -
 識別子(DOI, ISBNなど): eDoc: 214910
その他: 1540/S 36958
 学位: -

関連イベント

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イベント名: International Symposium on Natural Phenols in Plant Resistance
開催地: Weihenstephan
開始日・終了日: 1993-09-13 - 1993-09-17

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出版物 1

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出版物名: International Symposium on Natural Phenols in Plant Resistance
種別: 会議論文集
 著者・編者:
Geibel, Martin, 編集者
Treutter, Dieter, 編集者
Feucht, Walter, 編集者
所属:
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出版社, 出版地: Wageningen : ISHS
ページ: - 巻号: - 通巻号: - 開始・終了ページ: 710 - 716 識別子(ISBN, ISSN, DOIなど): ISBN: 90-6605-356-9

出版物 2

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出版物名: Acta Horticulturae
種別: 連載記事
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出版社, 出版地: -
ページ: - 巻号: 381 通巻号: - 開始・終了ページ: - 識別子(ISBN, ISSN, DOIなど): ISSN: 0567-7572