群体感应抑制活性导向分离腐皮镰刀菌中代谢产物

doi:10.11978/2018096

热带海洋学报 ›› 2019, Vol. 38 ›› Issue (3): 98-103.doi: 10.11978/2018096CSTR: 32234.14.2018096

• 海洋生物学 • 上一篇

群体感应抑制活性导向分离腐皮镰刀菌中代谢产物

季宇彬¹,张哲¹,张伟浩²,王虎²,潘英³,姜薇^1,²()

^1. 哈尔滨商业大学生命科学与环境科学研究中心, 黑龙江哈尔滨 150076
^2. 扬州大学环境科学与工程学院, 江苏扬州 225127
^3. 江苏省肿瘤医院, 江苏南京 210009

收稿日期:2018-09-25 修回日期:2018-11-21 出版日期:2019-05-20 发布日期:2019-06-17
通讯作者: 姜薇
作者简介:季宇彬(1956—), 男, 黑龙江省哈尔滨市人, 博士, 教授, 研究方向: 抗肿瘤药物研究。E-mail:gjyjgy@tom.com
基金资助:
江苏省高校自然科学基金(15KJB170020);浙江省药学重中之重一级学科开放基金(201707);扬州大学培育基金(2017CXJ050)

QSI activity-oriented isolation of metabolites from Fusarium solanum

Yubin JI¹,Zhe ZHANG¹,Weihao ZHANG²,Hu WANG²,Ying PAN³,Wei JIANG^1,²()

^1. Research Center of Life and Environment Science, Harbin University of Commerce, Harbin 150076, China
^2. School of Environmental Science and Engineering, Yangzhou 225127, China
^3. Jiangsu Cancer Hospital, Nanjing 210009, China

Received:2018-09-25 Revised:2018-11-21 Online:2019-05-20 Published:2019-06-17
Contact: Wei JIANG
Supported by:
Natural Science Foundation for College and University of Jiangsu Province(15KJB170020);Opening Project of Zhejiang Provincial Top Key Discipline of Pharmaceutical Sciences(201707);Yangzhou University Incubation Foundation(2017CXJ050)

摘要/Abstract

摘要：

本实验采用群体感应抑制(quorum sensing inhibitory, QSI)活性导向法, 对分离自山东威海近海底泥的真菌WH7-2开展代谢产物研究。综合菌落形态和转录间隔区 (Internal Transcribed Spacer, ITS)全序列分析, 菌株WH7-2鉴定为腐皮镰刀菌Fusarium solani。综合运用多种色谱方法, 从该真菌大米发酵产物的活性部位中分离得到11个化合物。分别鉴定为 (2E, 5E)-3, 5, 7-三甲基-2, 5-辛二烯酸 (1)、不饱和脂肪酸酯混合物 (2—4)、镰红菌素-3-甲醚 (5)、脱水镰红菌素 (6)、(22E)-5α, 8α-过氧化麦角甾-6, 22-二烯-3β-醇(7)、(22E)-5α, 8α-过氧化麦角甾-6, 9 (11), 22-三烯-3β-醇(8)、3β-羟基-胆甾-5-烯-7-酮 (9)、6β-羟基-胆甾-4-烯-3-酮 (10)和(22E)-胆甾-5, 22-二烯-3β-醇 (11)。其中不饱和脂肪酸酯混合物(2—4)具有QSI活性, 其他化合物无QSI活性。除5和6外, 其他化合物均为首次从腐皮镰刀菌F. solani中发现。

关键词: 群体感应抑制活性, 腐皮镰刀菌, 不饱和脂肪酸酯, 甾体, 镰红菌素

Abstract:

In this study, we investigated the metabolites from coastal mud-derived fungus WH7-2 by using the quorum sensing inhibitory (QSI) activity-oriented approach. The strain WH7-2 was identified as F. solani by analyzing its morphological characteristics and internal transcribed spacer (ITS) sequence. Chemical investigation of the rice fermentation product led to the isolation of 11 compounds. Their structures were elucidated as (2E, 5E)-3, 5, 7-trimethyl-2, 5-octadienoic acid (1), mixtures of unsaturated fatty acid ester (2, 3 and 4), 3-methyl ether fusarubin (5), Anhydrofusarubin (6), (22E)-5α, 8α- epidioxy-ergosta-6, 22-diene-3β-ol(7), (22E)-5α, 8α-epidioxy-ergosta-6, 9(11), 22-triene-3β-ol (8), 3β-hydroxycholest-5-en-7-one(9), 6β-hydroxy-cholest-4-en-3-one(10), and (22E)-cholest-5, 22-dien-3β-ol(11). All compounds were evaluated for their QSI activities, and only the mixtures of unsaturated fatty acid ester (2-4) exhibited QSI activity. All the compounds except 5 and 6 were first reported from F. solani.

Key words: QSI, Fusarium solani, unsaturated fatty acid ester, steroid, fusarubin

中图分类号:

Q935

季宇彬,张哲,张伟浩,王虎,潘英,姜薇. 群体感应抑制活性导向分离腐皮镰刀菌中代谢产物[J]. 热带海洋学报, 2019, 38(3): 98-103.

Yubin JI,Zhe ZHANG,Weihao ZHANG,Hu WANG,Ying PAN,Wei JIANG. QSI activity-oriented isolation of metabolites from Fusarium solanum[J]. Journal of Tropical Oceanography, 2019, 38(3): 98-103.

图/表 2

参考文献 16

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化合物编号	保留时间/min	分子式	分子量	名称	匹配度/℅
2	22.4	C₁₇H₂₈O₂	264	Methyl 7,10,13-hexadecatrienoate	85.3
3	23.1	C₁₇H₂₈O₂	264	Methyl 8,11,14-hexadecatrienoate	89.2
4	24.5	C₁₈H₃₀O₂	278	ethyl 6,9,12-hexadecatrienoate	95.3

群体感应抑制活性导向分离腐皮镰刀菌中代谢产物

QSI activity-oriented isolation of metabolites from Fusarium solanum

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