The search for exudates from Eurasian watermilfoil and hydrilla

Glomski, Lee Ann M. and Wood, K.V. and Nicholson, R.L. and Lembi, C.A. (2002) The search for exudates from Eurasian watermilfoil and hydrilla. Journal of Aquatic Plant Management, 40, pp. 17-22.

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Official URL: http://www.apms.org/japm/vol40/v40p17.pdf

Abstract

Secondary metabolites are produced by aquatic plants, and in some instances, exudation of these metabolites into the surrounding water has been detected. To determine whether infestations of Eurasian watermilfoil or hydrilla produce such exudates, plant tissues and water samples were collected from laboratory cultures and pond populations and were analyzed using solid phase extraction, HPLC, and various methods of mass spectrometry including electrospray ionization, GC/MS, electron impact and chemical ionization. Previously reported compounds such as tellimagrandin II (from Eurasian watermilfoil) and a caffeic acid ester (from hvdrilla), along with a newly discovered flavonoid, cyanidin 3 dimalonyl glucoside (from hydrilla), were readily detected in plant tissues used in this research but were not detected in any of the water samples. If compounds are being released, as suggested by researchers using axenic cultures, we hypothesize that they may be rapidly degraded by bacteria and therefore undetectable.

Item Type: Article
Title: The search for exudates from Eurasian watermilfoil and hydrilla
Personal Creator/Author:
CreatorsEmail
Glomski, Lee Ann M.
Wood, K.V.
Nicholson, R.L.
Lembi, C.A.
Refereed: Yes
Journal or Publication Title: Journal of Aquatic Plant Management
Volume: 40
Page Range: pp. 17-22
Date: 2002
Issuing Agency: Aquatic Plant Management Society, Inc.
Uncontrolled Keywords: tellimagrandin II, cyanidin 3-dimalonyl glucoside, bacterial degradation, gallic acid, phenolic compounds.
Subjects: Ecology
Biology
Environment
Chemistry
Item ID: 1748
Depositing User: Sciences Librarian Peter Fritzler
Date Deposited: 21 Nov 2008 23:22
Last Modified: 29 Sep 2011 20:10
URI: http://aquaticcommons.org/id/eprint/1748

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