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Whole-genome sequencing and analysis of Streptomyces strains producing multiple antinematode drugs

Cited 1 time in Web of Science Cited 2 time in Scopus
Authors

Yi, Jeong Sang; Kim, Jung Min; Kang, Min-Kyoung; Kim, Jong Hoon; Cho, Hang Su; Ban, Yeon Hee; Song, Myoung Chong; Son, Kwang-Hee; Yoon, Yeo Joon

Issue Date
2022-08
Publisher
BioMed Central
Citation
BMC Genomics, Vol.23 No.1, p. 610
Abstract
Background Nematodes are parasitic animals that cause over 100 billion US dollars loss in agricultural business. The whole-genomes of two Streptomyces strains, Streptomyces spectabilis KCTC9218(T) and Streptomyces sp. AN091965, were sequenced. Both strains produce spectinabilin, an antinematode drug. Its secondary metabolism was examined to aid the development of an efficient nematicidal drug-producing host strain. Results The whole-genome sequences of S. spectabilis KCTC9218(T) and Streptomyces sp. AN091965 were analyzed using PacBio and Illumina sequencing platforms, and assembled using hybrid methodology. The total contig lengths for KCTC9218(T) and AN091965 were 9.97 Mb and 9.84 Mb, respectively. A total of 8,374 and 8,054 protein-coding genes, as well as 39 and 45 secondary metabolite biosynthetic gene clusters were identified in KCTC9218(T) and AN091965, respectively. 18.4 +/- 6.45 mg/L and 213.89 +/- 21.30 mg/L of spectinabilin were produced by S. spectabilis KCTC9218(T) and Streptomyces sp. AN091965, respectively. Pine wilt disease caused by nematode was successfully prevented by lower concentration of spectinabilin injection than that of abamectin recommended by its manufacturer. Production of multiple antinematode drugs, including spectinabilin, streptorubin B, and undecylprodigiosin was observed in both strains using high-resolution liquid chromatography mass spectrometry (LC-MS) analysis. Conclusions Whole-genome sequencing of spectinabilin-producing strains, coupled with bioinformatics and mass spectrometry analyses, revealed the production of multiple nematicidal drugs in the KCTC9218(T) and AN091965 strains. Especially, Streptomyces sp. AN091965 showed high production level of spectinabilin, and this study provides crucial information for the development of potential nematicidal drug producers.
ISSN
1471-2164
URI
https://hdl.handle.net/10371/185850
DOI
https://doi.org/10.1186/s12864-022-08847-4
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