New discovery on the nematode activity of aureothin and alloaureothin isolated from endophytic bacteria Streptomyces sp. AE170020 = 내생균 Streptomyces sp. AE170020에서 분리한 aureothin과 alloaureothin의 선충 활성에 대한 새로운 발견

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Title
New discovery on the nematode activity of aureothin and alloaureothin isolated from endophytic bacteria Streptomyces sp. AE170020 = 내생균 Streptomyces sp. AE170020에서 분리한 aureothin과 alloaureothin의 선충 활성에 대한 새로운 발견
Author(s)
Min-Kyoung Kang; Jong Hoon Kim; Min-Jiao Liu; Chun-Zhi Jin; Dong Jin Park; J Kim; Bong Hyun Sung; Chang-Jin Kim; Kwang- Hee Son
Bibliographic Citation
Scientific Reports, vol. 12, pp. 3947-3947
Publication Year
2022
Abstract
Endophytic bacteria, a rich source of bioactive secondary metabolites, are ideal candidates for environmentally benign agents. In this study, an endophytic strain, Streptomyces sp. AE170020, was isolated and selected for the purification of nematicidal substances based on its high nematicidal activity. Two highly active components, aureothin and alloaureothin, were identified, and their chemical structures were determined using spectroscopic analysis. Both compounds suppressed the growth, reproduction, and behavior of Bursaphelenchus xylophilus. In in vivo experiments, the extracts of strain Streptomyces sp. AE170020 effectively suppressed the development of pine wilt disease in 4-year-old plants of Pinus densiflora. The potency of secondary metabolites isolated from endophytic strains suggests applications in controlling Bursaphelenchus xylophilus and opens an avenue for further research on exploring bioactive substances against the pine wood nematode.
ISSN
2045-2322
Publisher
Springer-Nature Pub Group
DOI
http://dx.doi.org/10.1038/s41598-022-07879-w
Type
Article
Appears in Collections:
Division of Biomaterials Research > Industrial Bio-materials Research Center > 1. Journal Articles
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