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National Chung Hsing University Institutional Repository - NCHUIR > 農業暨自然資源學院 > 農業暨自然資源學院 > 依資料類型分類 > 期刊論文 >  Deciphering the roles of fatty acids and oils in fungichromin enhancement from Streptomyces padanus

Please use this identifier to cite or link to this item: http://nchuir.lib.nchu.edu.tw/handle/309270000/134570

標題: Deciphering the roles of fatty acids and oils in fungichromin enhancement from Streptomyces padanus
作者: Zang, C.Z.;Chang, Y.N.;Chen, H.B.;Wu, J.Y.;Chen, C.I.;Huang, J.W.;Shih, H.D.;Liu, Y.C.
黃振文;劉永銓
日期: 2011
Issue Date: 2012-12-14 10:56:52 (UTC+8)
關連: Journal of the Taiwan Institute of Chemical Engineers, Volume 42, Issue 3, Page(s) 413-418.
摘要: Fungichromin (FC), a polyene macrolide antibiotic, was found to be useful in the treatment of resistance for plant diseases such as Rhizoctonia damping-off of cabbage and tomato late blight. A novel strain, Streptomyces padanus PMS-702, was employed to study the cultivation conditions for FC production. When using linoleic acid as an additive, a negative effect on FC production was observed. On the contrary, when using oleic acid in concentration of 0.01 M (2.82 g/L), a 3.5-fold enhancement of FC production with a slight increase in cell biomass was obtained. To study the effects of plant oils, various plant oils were used as additives. It was found that all the plant oils (namely, corn oil, olive oil and etc.) promote FC production up to about 4.9-fold as compared to that without such an addition. A quantitative analysis on FC yield indicated that, at a lower concentration, fatty acids and plant oils play roles as both a stimulator and a carbon source whereas, at a higher concentration, they serve mainly as the carbon source. This morphological study showed that the addition of fatty acids and oils in the medium vary the cell membrane permeability. The fact that FC could be rapidly secreted out into the medium after its synthesis as well as its stimulatory effect attributed to a dramatic increase in FC production. (C) 2010 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
Relation: Journal of the Taiwan Institute of Chemical Engineers
Appears in Collections:[依教師分類] 吳震裕
[依教師分類] 劉永銓
[依資料類型分類] 期刊論文
[依教師分類] 黃振文

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