铜毛霉CC3003抗榴莲疫霉活性代谢物制备的纳米颗粒

Q2 Agricultural and Biological Sciences International Journal of Agriculture and Biology Pub Date : 2022-02-01 DOI:10.17957/ijab/15.1894
R. Tongon
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引用次数: 0

摘要

榴莲疫霉病是榴莲种植区的一种严重病害,一般采用具有抗性的化学杀菌剂防治。正在研究其他非化学控制策略以生产安全食品。研究了铜毛霉CC3003代谢产物以原料和纳米颗粒的形式控制和诱导对引起月农榴莲腐烂病的棕榈疫霉菌的免疫活性。结果表明,棕榈芽孢杆菌对榴莲品种有致病作用。铜铜螯合菌CC3003为拮抗菌,棕榈芽孢杆菌经形态和分子遗传鉴定为病原菌。CC-E、CC-H和CC-M粗代谢物抑制孢子的有效剂量(ED50)分别为60、97和140 mg。公斤,分别。研究发现,纳米CC-E、纳米CC-H和纳米CC-M的直径分别为534、499和537 nm。纳米CC-E、纳米CC-H和纳米CC-M对棕榈假单胞菌具有较强的抗真菌活性,ED50分别为11、13和16 mg。公斤,分别。低浓度的纳米颗粒比高浓度的粗代谢物更有效。利用纳米cc - e处理榴莲幼苗,产生东莨菪碱,可作为榴莲腐病的免疫剂或诱导剂。由此可见,铜铜的活性代谢物能显著抑制棕榈芽孢杆菌,并通过产生植物抗毒素诱导免疫。©2022朋友科学出版社
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Nanoparticles Derived from Active Metabolites of Chaetomium cupreum CC3003 against Phytophthora Rot of Durian
Phytophthora rot of durian (Durio zibetinus L.) is a serious disease wherever the crop has been planted and the disease control customarily uses chemical fungicides reported to be resistant by pathogen. Alternative non-chemical control strategies are being investigated to produce safe food. The main objective of this research was to test the activity of metabolites from Chaetomium cupreum CC3003 in the form of crude materials and nanoparticles to control and induce immunity to Phytophthora palmivora causing rot of durian var. Monthong. The results showed that P. palmivora proved to be pathogenic to durian var. Monthong. C. cupreum CC3003 acted as an antagonist and P. palmivora was confirmed as the pathogen by morphological and molecular genetic identification. Effective doses (ED50) of CC-E, CC-H and CC-M crude metabolites for spore inhibition were 60, 97 and 140 mg.kg-1, respectively. The research findings found that the diameters of nano CC-E, nano CC-H and nano CC-M were 534, 499 and 537 nm, respectively. The nano CC-E, nano CC-H and nano CC-M demonstrated antifungal activity against P. palmivora with ED50 of 11, 13 and 16 mg.kg-1, respectively. The nanoparticles at low concentrations were more effective than crude metabolites at high concentrations. Nano-CC-E used to treat seedlings of durian resulted in the production of scopoletin which served as an immunity agent or elicitor against rot disease of durian. It is concluded that active metabolites derived from C. cupreum significantly inhibited P. palmivora and induced immunity through phytoalexin production. © 2022 Friends Science Publishers
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来源期刊
International Journal of Agriculture and Biology
International Journal of Agriculture and Biology AGRICULTURE, MULTIDISCIPLINARY-
CiteScore
1.70
自引率
0.00%
发文量
40
审稿时长
5 months
期刊介绍: Information not localized
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