Exploring the Genomic Landscape of <i>Bacillus paranthracis</i> PUMB_17 as a Proficient Phosphatidylcholine-Specific Phospholipase C Producer
Vesselin Baev | Ivan Iliev | Yordan Stefanov | Marinela Tsankova | Mariana Marhova | Elena Apostolova | Mariyana Gozmanova | Galina Yahubyan | Sonya Kostadinova
Phospholipases find versatile applications across industries, including detergent production, food modification, pharmaceuticals (especially in drug delivery systems), and cell signaling research. In this study, we present a strain of <i>Bacillus paranthracis</i> for the first time, demonstrating significant potential in the production of phosphatidylcholine-specific phospholipase C (PC-PLC). The investigation thoroughly examines the <i>B. paranthracis</i> PUMB_17 strain, focusing on the activity of PC-PLC and its purification process. Notably, the PUMB_17 strain displays extracellular PC-PLC production with high specific activity during the late exponential growth phase. To unravel the genetic makeup of PUMB_17, we employed nanopore-based whole-genome sequencing and subsequently conducted a detailed genome annotation. The genome comprises a solitary circular chromosome spanning 5,250,970 bp, featuring a guanine–cytosine ratio of 35.49. Additionally, two plasmids of sizes 64,250 bp and 5845 bp were identified. The annotation analysis reveals the presence of 5328 genes, encompassing 5186 protein-coding sequences, and 142 RNA genes, including 39 rRNAs, 103 tRNAs, and 5 ncRNAs. The aim of this study was to make a comprehensive genomic exploration that promises to enhance our understanding of the previously understudied and recently documented capabilities of <i>Bacillus paranthracis</i> and to shed light on a potential use of the strain in the industrial production of PC-PLC.
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