Genome-Guided Investigation Provides New Insights into Secondary Metabolites of Streptomyces parvulus SX6 from Aegiceras corniculatum

Bibliographic Details
Title: Genome-Guided Investigation Provides New Insights into Secondary Metabolites of Streptomyces parvulus SX6 from Aegiceras corniculatum
Authors: Quach Ngoc Tung, Nguyen Vu Thi Hanh, Bui Thi Lien, Pham Anh Tuan, An Nguyen Thi Thu, Xuan Le Thi Thanh, Thuy Ta Thi Thu, Dudhagara Pravin, Phi Quyet-Tien
Source: Polish Journal of Microbiology, Vol 71, Iss 3, Pp 381-394 (2022)
Publisher Information: Sciendo, 2022.
Publication Year: 2022
Collection: LCC:Genetics
LCC:Microbiology
Subject Terms: aegiceras corniculatum, streptomyces parvulus, genome mining, plant-derived compounds, secondary metabolites, Genetics, QH426-470, Microbiology, QR1-502
More Details: Whole-genome sequencing and genome mining are recently considered an efficient approach to shine more light on the underlying secondary metabolites of Streptomyces. The present study unearths the biosynthetic potential of endophytic SX6 as a promising source of biologically active substances and plant-derived compounds for the first time. Out of 38 isolates associated with Aegiceras corniculatum (L.) Blanco, Streptomyces parvulus SX6 was highly active against Pseudomonas aeruginosa ATCC® 9027™ and methicillin-resistant Staphylococcus epidermidis (MRSE) ATCC® 35984™. Additionally, S. parvulus SX6 culture extract showed strong cytotoxicity against Hep3B, MCF-7, and A549 cell lines at a concentration of 30 μg/ml, but not in non-cancerous HEK-293 cells. The genome contained 7.69 Mb in size with an average G + C content of 72.8% and consisted of 6,779 protein-coding genes. AntiSMASH analysis resulted in the identification of 29 biosynthetic gene clusters (BGCs) for secondary metabolites. Among them, 4 BGCs showed low similarity (28–67% of genes show similarity) to actinomycin, streptovaricin, and polyoxypeptin gene clusters, possibly attributed to antibacterial and anticancer activities observed. In addition, the complete biosynthetic pathways of plant-derived compounds, including daidzein and genistein were identified using genome mining and HPLC-DAD-MS analysis. These findings portray an exciting avenue for future characterization of promising secondary metabolites from mangrove endophytic S. parvulus.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 2544-4646
Relation: https://doaj.org/toc/2544-4646
DOI: 10.33073/pjm-2022-034
Access URL: https://doaj.org/article/8fd8d979126d4966ba183c474ecf8515
Accession Number: edsdoj.8fd8d979126d4966ba183c474ecf8515
Database: Directory of Open Access Journals
More Details
ISSN:25444646
DOI:10.33073/pjm-2022-034
Published in:Polish Journal of Microbiology
Language:English