An Antitermitic Compound-Producing Endophytic Bacterium from Chamaecyparis lawsoniana

IF 1 4区生物学 Q4 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Applied Biochemistry and Microbiology Pub Date : 2024-07-10 DOI:10.1134/S000368382460372X

Q. C. Ruan, L. Q. Sun, J. Liu, J. S. Hua, K. Zhao

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Abstract

Termites present a significant hazard to wooden structures, agriculture and urban environments. Termiticides are now required to meet more stringent environmental standards. Microbial metabolites with antitermitic properties are considered practical alternatives for termite control. Here, we report an antitermitic compound-producing endophytic bacterium HDZK-BYB36 isolated from the termite-resistant tree, Port-Orford-cedar (Chamaecyparis lawsoniana). The morphological, physio-biochemical, and 16S rDNA characteristics of the bacterium were investigated, as well as its antimicrobial and antitermitic activities. The antitermitic compounds from the strain HDZK-BYB36 were analyzed by GC-MS. Phylogenetic analyses revealed that HDZK-BYB36 was a subspecies of Paenibacillus aliginolyticus, sharing 98.72% identity with P. alginolyticus DSM 5050^T. The HDZK-BYB36 demonstrated robust antimicrobial and termiticidal activities. It produced at least 4 antitermitic compounds, namely nootkatone, τ-muurolol, torreyol and α-cadinol, as determined by GC-MS analysis. The isolation of HDZK-BYB36 presents an effective and innovative resource for generating antitermitic compounds, providing a sustainable approach towards the prevention and control of termites.

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一种产自 Chamaecyparis lawsoniana 的内生细菌，可产生抗皮炎化合物

摘要白蚁对木质结构、农业和城市环境造成严重危害。现在，杀白蚁剂必须符合更严格的环境标准。具有抗白蚁特性的微生物代谢物被认为是控制白蚁的实用替代品。在此，我们报告了一种从抗白蚁树木奥尔福德港雪松（Chamaecyparis lawsoniana）中分离出来的产生抗白蚁化合物的内生细菌 HDZK-BYB36。研究了该细菌的形态、生理生化和 16S rDNA 特征，以及其抗菌和抗白蚁活性。利用气相色谱-质谱分析了菌株 HDZK-BYB36 的抗白蚁化合物。系统进化分析表明，HDZK-BYB36 是褐藻溶解芽孢杆菌（Paenibacillus aliginolyticus）的一个亚种，与褐藻溶解芽孢杆菌 DSM 5050T 有 98.72% 的相同性。HDZK-BYB36 具有很强的抗菌和杀白蚁活性。经 GC-MS 分析，它至少产生了 4 种抗白蚁化合物，即 nootkatone、τ-muurolol、torreyol 和 α-cadinol。HDZK-BYB36 的分离为生成抗白蚁化合物提供了有效的创新资源，为预防和控制白蚁提供了一种可持续的方法。

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来源期刊

Applied Biochemistry and Microbiology 生物-生物工程与应用微生物

CiteScore

1.70

自引率

12.50%

发文量

审稿时长

6-12 weeks

期刊介绍： Applied Biochemistry and Microbiology is an international peer reviewed journal that publishes original articles on biochemistry and microbiology that have or may have practical applications. The studies include: enzymes and mechanisms of enzymatic reactions, biosynthesis of low and high molecular physiologically active compounds; the studies of their structure and properties; biogenesis and pathways of their regulation; metabolism of producers of biologically active compounds, biocatalysis in organic synthesis, applied genetics of microorganisms, applied enzymology; protein and metabolic engineering, biochemical bases of phytoimmunity, applied aspects of biochemical and immunochemical analysis; biodegradation of xenobiotics; biosensors; biomedical research (without clinical studies). Along with experimental works, the journal publishes descriptions of novel research techniques and reviews on selected topics.