Exploring Newer Biosynthetic Gene Clusters in Marine Microbial Prospecting

Overview

Journal Mar Biotechnol (NY)

Specialties Biology
Biotechnology

Date 2022 Apr 8

PMID 35394575

Authors

Manigundan Kaari

Radhakrishnan Manikkam

Abirami Baskaran

Affiliations

Soon will be listed here.

Abstract

Marine microbes genetically evolved to survive varying salinity, temperature, pH, and other stress factors by producing different bioactive metabolites. These microbial secondary metabolites (SMs) are novel, have high potential, and could be used as lead molecule. Genome sequencing of microbes revealed that they have the capability to produce numerous novel bioactive metabolites than observed under standard in vitro culture conditions. Microbial genome has specific regions responsible for SM assembly, termed biosynthetic gene clusters (BGCs), possessing all the necessary genes to encode different enzymes required to generate SM. In order to augment the microbial chemo diversity and to activate these gene clusters, various tools and techniques are developed. Metagenomics with functional gene expression studies aids in classifying novel peptides and enzymes and also in understanding the biosynthetic pathways. Genome shuffling is a high-throughput screening approach to improve the development of SMs by incorporating genomic recombination. Transcriptionally silent or lower level BGCs can be triggered by artificially knocking promoter of target BGC. Additionally, bioinformatic tools like antiSMASH, ClustScan, NAPDOS, and ClusterFinder are effective in identifying BGCs of existing class for annotation in genomes. This review summarizes the significance of BGCs and the different approaches for detecting and elucidating BGCs from marine microbes.

Citing Articles

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Svendsen P, Henriksen N, Jarmusch S, Andersen A, Smith K, Selsmark M Appl Environ Microbiol. 2024; 90(9):e0058824.

PMID: 39136490 PMC: 11409694. DOI: 10.1128/aem.00588-24.

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