广西红树林放线菌 Streptomyces olivaceuss 10127 次级代谢产物及降糖降脂活性研究
肖阳(1999—), 女, 四川省德阳市人, 硕士研究生, 从事天然产物研究。email: 2829980586@qq.com |
Editor: 林强
收稿日期: 2023-12-20
修回日期: 2024-01-23
网络出版日期: 2024-01-29
基金资助
国家自然科学基金资助项目(81960164)
广西科技重大项目(AB21196020)
2023年度广西少数民族预科教育基地科研项目(YJJDA202301)
Study on the secondary metabolites and hypoglycemic and lipid lowering activities of actinomyces Streptomyces olivaceuss 10127 from the Guangxi mangrove sediments
Editor: LIN Qiang
Received date: 2023-12-20
Revised date: 2024-01-23
Online published: 2024-01-29
Supported by
National Natural Science Foundation of China(81960164)
Guangxi Major Science and Technology Project(AB21196020)
2023 Research Project of Guangxi Minority Preparatory Education Base(YJJDA202301)
红树林生态环境特殊, 具有丰富的放线菌资源, 是天然活性物质的来源之一。为获得更多具有良好生物活性的化合物, 对一株来源于广西茅尾海红树林老鼠簕(Acanthus ilicifolius)根际土壤的链霉菌属放线菌Streptomyces olivaceuss 10127的次级代谢产物以及降糖降脂活性进行研究。采用硅胶柱色谱、高效液相色谱和半制备液相色谱等技术, 对该菌株的次级代谢产物进行分离。通过PCR扩增和16S rRNA基因测序对菌株进行鉴定, 借助核磁共振(nuclear magnetic resonance, NMR)、质谱(mass spectra, MS)以及旋光(optical rotatory dispersion, ORD)等波谱学方法和文献数据对单体化合物进行结构鉴定。通过试剂盒测定化合物的降糖降脂活性。从Streptomyces olivaceuss 10127的次级代谢产物中共分离得到12个单体化合物, 分别为: (6-(3-methylbut-2-enyl)-1-indol-3-yl)methanethiol(1)、methyl indole-3-acetate(2)、methyl 4-hydroxyphenylacetate(3)、2-hydroxybenzamide(4)、germicidin B(5)、germicidin A(6)、isogermicidin A(7)、4′-hydroxy-5, 7-dimethoxy-6-(3-methyl-2-butenyl)-isoflavone(8)、2, 3-dihydroxybenzoic acid(9)、phenyl acetic acid(10)、germicidin N(11)、piloquinonea(12)。其中, 化合物8和12为首次从该放线菌中分离得到。首次测定了分离得到的化合物的降糖降脂活性。化合物1在降低脂质方面表现出较好的效果; 化合物7不仅具有降脂效果, 还具有降糖效果, 且效果均优于阳性药组。放线菌Streptomyces olivaceuss 10127具有生产降糖降脂活性先导化合物的潜在研究价值。
关键词: Streptomyces olivaceuss; 次级代谢产物; 降糖活性; 降脂活性
肖阳 , 严静 , 杨淑玉 , 章唐桀 , 翁杰 , 李奇林 , 刘洪存 , 孟娟 , 杨立芳 . 广西红树林放线菌 Streptomyces olivaceuss 10127 次级代谢产物及降糖降脂活性研究[J]. 热带海洋学报, 2024 , 43(6) : 181 -189 . DOI: 10.11978/2023198
Mangrove has a special ecological environment and abundant actinomycetes resources, which is one of the sources of natural active substances. To obtain compounds with potent biological activity, this study was conducted on the secondary metabolites and hypoglycemic and lipid lowering activities of an actinomyces, Streptomyces olivaceuss 10127. The strain was derived from the rhizosphere soil of mangrove Acanthus ilicifolius L. in Guangxi. The strains were identified by PCR amplification and 16S rRNA gene sequencing, and the secondary metabolites of this strain were isolated by silica gel column, high performance liquid chromatography (HPLC) and semi-preparative liquid chromatography. The structures of monomer compounds were identified using nuclear magnetic resonance (NMR), mass spectra (MS) and optical rotatory dispersion (ORD). The hypoglycemic and lipid-lowering activity of the compound was tested by the kit. From the secondary metabolites of Streptomyces olivaceuss 10127, 12 compounds were isolated. These include (6-(3-methylbut-2-enyl)-H-indol-3-yl) methanethiol (1), methyl indole-3-acetate (2), methyl 4-hydroxyphenylacetate (3), 2-hydroxybenzamide (4), germicidin B (5), germicidin A (6), isogermicidin A (7), 4′-hydroxy-5, 7-dimethoxy-6-(3-methyl-2-butenyl)-isoflavone (8), 2, 3-dihydroxybenzoic acid (9), phenyl acetic acid (10), germicidin N (11), piloquinonea (12). Compounds 8 and 12 were isolated from this actinomyces for the first time. The hypoglycemic and lipid-lowering activity of the isolated compounds were assayed for the first time. Compound 1 showed a good effect on lipid reduction. Compound 7 showed both the lipid lowering effect and the glucose lowering effect, surpassing the efficacy of the positive control group. The actinomyces Streptomyces olivaceuss 10127 has potential research value in producing lead compounds with hypoglycemic and lipid lowering activities.
表1 化合物1和7的降TG作用Tab. 1 TG-lowering activity of compounds 1 and 7 |
样品 | TG含量/(mmol·L-1) | ||||
---|---|---|---|---|---|
正常 | 模型 | 高 | 中 | 低 | |
化合物1 | 0.06±0.01** | 0.43±0.01## | 0.13±0.01** | 0.28±0.01** | 0.40±0.01** |
化合物7 | 0.04±0.00** | 0.43±0.01## | 0.21±0.01** | 0.23±0.01** | 0.26±0.01** |
阳性药 | 0.05±0.02** | 0.43±0.01## | - | - | 0.26±0.01** |
注: 与正常组相比, #P<0.05, ##P<0.01; 与模型组相比, *P<0.05, **P<0.01 |
表2 化合物1和7的降脂率和EC50值Tab. 2 Lipid-lowering rate and EC50 value of compounds 1 and 7 |
样品 | 降脂率/% | EC50±SD/(μmol·L-1) | ||
---|---|---|---|---|
高 | 中 | 低 | ||
化合物1 | 68.93±1.68 | 36.41±2.06 | 6.80±1.68 | 68.02±1.83 |
化合物7 | 49.50±1.71 | 46.53±1.71 | 39.60±2.97 | 90.22±15.27 |
阳性药 | - | - | 39.53±2.32 | 46.88±2.23 |
表3 化合物7的降糖活性Tab. 3 Glucose-lowering activity of compound 7 |
组别 | 葡萄糖消耗量/(mmol·L-1) |
---|---|
正常 | 1.34±0.15** |
模型 | 1.87±0.09## |
阳性 | 2.19±0.02** |
化合物7 | 2.25±0.04** |
注: 与正常组相比, #P<0.05, ##P<0.01; 与模型组相比, *P<0.05, **P<0.01。 |
[1] |
陈耀章, 马琴国, 2014. 玉米须降糖、降压、降脂、保肝作用研究[J]. 中医研究, 27(3): 78-80 (in Chinese).
|
[2] |
戴卫波, 梅全喜, 2016. 叶下珠甲醇提取物对胰岛素抵抗HepG2细胞葡萄糖消耗量的影响研究[J]. 亚太传统医药, 12(12): 10-12.
|
[3] |
江蔚新, 陈尔东, 巩婷, 等, 2017. 丰肉结海绵相关青霉菌HLS-216次级代谢产物研究[J]. 药学研究, 36(2): 67-71.
|
[4] |
孔璐琦, 王敬敬, 胡琳珍, 等, 2023. 放线菌代谢产物的研究进展: 基于Web of Science(WOS)和中国知网(CNKI)[J]. 微生物学通报, 50(9): 4275-4302.
|
[5] |
李俊杰, 林曼佳, 陈海明, 等, 2023. 湛江雷州沿海红树林放线菌的多样性、新颖性及其抗肿瘤活性[J]. 农业生物技术学报, 31(10): 2176-2189.
|
[6] |
李滔滔, 2013. 高产洛伐他汀红曲霉菌诱变育种及其在酱油废水中的应用[D]. 株洲: 湖南工业大学.
|
[7] |
林鹏, 1997. 中国红树林生态系[M]. 北京: 科学出版社: 3-10.
|
[8] |
钱生辉, 2022. 南海红树林底泥海洋放线菌抗菌/抗群体感应活性菌株的筛选及次级代谢产物的初步研究[D]. 扬州: 扬州大学.
|
[9] |
王永江, 何鑫, 罗剑英, 等, 2018. 青海湖土壤来源链霉菌L8次级代谢产物的分离与鉴定及抑菌活性研究[J]. 天然产物研究与开发, 30(7): 1170-1175.
|
[10] |
魏景, 2017. 非洲黑蛋巢菌与链霉菌代谢产物多样性及其生物活性研究[D]. 杨凌: 西北农林科技大学.
|
[11] |
吴建杰, 2023. 代谢综合征及前列腺癌的相关性研究[D]. 广州: 广州医科大学.
|
[12] |
吴巧灵, 孙长利, 周镇槟, 等, 2022. 石磺来源海洋链霉菌Streptomyces ardesiacus SCSIO LO23中germicidin类化合物的分离鉴定及其生物合成分析[J]. 微生物学报, 62(7): 2594-2609.
|
[13] |
吴铁良, 2010. 代谢综合症诊治进展[J]. 现代预防医学, 37(16): 3200-3201 (in Chinese).
|
[14] |
伍卫红, 黄燕秋, 李嘉俊, 等, 2023. 辣木叶水提物对油酸钠-钠棕榈酸酯诱导的HepG2细胞脂质代谢及抗氧化能力的影响[J]. 药物评价研究, 46(10): 2152-2158.
|
[15] |
许家慧, 2015. 海洋放线菌TXC6-16活性次级代谢产物的分离纯化及结构鉴定[D]. 上海: 华东理工大学.
|
[16] |
|
[17] |
|
[18] |
|
[19] |
|
[20] |
|
[21] |
|
[22] |
|
[23] |
|
[24] |
|
[25] |
|
[26] |
|
[27] |
|
[28] |
|
[29] |
|
[30] |
|
[31] |
|
[32] |
|
[33] |
|
[34] |
|
[35] |
|
[36] |
|
/
〈 | 〉 |