Journal of Tropical Oceanography >
Study on the Secondary Metabolites of Marine Streptomyces Sporoverrucosus 33510
Copy editor: YIN Bo
Received date: 2023-06-14
Revised date: 2023-07-28
Online published: 2023-08-15
Supported by
National Natural Science Foundation of China(81960164)
Science and Technology Major Project of Guangxi(AB21196020)
NMPA Key Laboratory for Quality Monitoring and Evaluation of Traditional Chinese Medicine, Chinese Materia Medica(KFKT2022-7)
The secondary metabolites of marine actinomycete Streptomyces sporoverrucosus 33510 were studied in order to obtain bioactive compounds. The compounds were separated and purified by column chromatography, semi-preparative liquid chromatography and other chromatographic methods. Ten compounds were identified as cyclo(D-Pro-D-Leu) (1), bisphenol A (2), methylp-hydroxyphenylacetate (3), N-phenethylacetamide (4), 3-indole-methylethanoate (5), dibutyl phthalate (6), cyclo(D-Pro-L-Leu) (7), cyclo(D-Pro-L-Ile) (8), cyclo(L-Pro-L-Phe) (9), and cyclo(L-Leu-L-Val) (10). Eight compounds were isolated from Streptomyces sporoverrucosus for the first time. Compound 2 showed inhibitory activity against Cryphonectria parasitica.
LIU Ying , XIAO Yang , ZHU Zhenxin , LIU Hongcun , JIANG Mingguo , ZHU Yuzhang , LIN Kun , WU Jincheng , LU Xiaomei , HUANG Xiaoning , LIANG Haina , LU Wensen , YANG Lifang . Study on the Secondary Metabolites of Marine Streptomyces Sporoverrucosus 33510[J]. Journal of Tropical Oceanography, 2024 , 43(2) : 128 -134 . DOI: 10.11978/2023080
图3 S. sporoverrucosus 33510的抑菌效果Fig. 3 The antibacterial efficacy of S. sporoverrucosus 33510 |
表2 S. sporoverrucosus 33510菌株对不同致病菌的抑制结果Tab. 2 Results of S. sporoverrucosus 33510 strains against different pathogenic bacteria |
名称 | 直径/mm | 抑菌效果 |
---|---|---|
Fusarium oxysporum | 10 | √ |
Fusarium pseudograminearum | 22 | √ |
Colletotrichum musae | 16 | √ |
Rhizoctonia solani | 18 | √ |
Plectosphaerella cucumerina | 0 | × |
Cryphonectria parasitica | 0 | × |
Botryosphaeria dothidea | 20 | √ |
Bipolaris sorokiniana | 20 | √ |
注: “√”表示抗菌效果明显(d≥10mm), “×”表示无明显抗菌效果(d<10mm) |
表3 化合物的抑菌结果Tab. 3 Antibacterial results of the compounds |
化合物 | 抑菌强度 | 直径/mm | 病原菌 |
---|---|---|---|
2 | 高敏 | 20 | Cryphonectria parasitica |
3 | 耐药 | 0 | Rhizoctonia solani、Fusarium pseudograminearum |
4 | 耐药 | 0 | Rhizoctonia solani |
5 | 耐药 | 0 | Rhizoctonia solani |
6 | 耐药 | 0 | Rhizoctonia solani |
7 | 耐药 | 0 | Cryphonectria parasitica、Fusarium pseudograminearum |
9 | 耐药 | 0 | Cryphonectria parasitica |
表4 抑菌圈直径的判定标准(卢仲铖 等, 2022)Tab. 4 Evaluation criteria for the diameter of bacteriostatic circles |
直径/mm | 抑菌性 |
---|---|
>20 | 极敏 |
15~20 | 高敏 |
10~14 | 中敏 |
<10 | 低敏 |
0 | 耐药 |
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