Therapeutic potential of biosurfactant (BS) has been improved in recent years. Our present study deals with production of BS from Planococcus maritimus SAMP MCC 3013 in a mineral salt medium (MSM) supplemented with glucose (1.5% w/v). Further, BS has been purified and partially characterized as glycolipid type through our previous publication. Current research article aimed to evaluate biological potential of BS against Mycobacterium tuberculosis, Plasmodium falciparum and cancerous cell lines. Planococcus derived glycolipid BS was found to be a promising inhibitor of M. tuberculosis (MTB) H37Ra at IC 64.11 ± 1.64 μg/mL and MIC at 160.8 ± 1.64 μg/mL. BS also showed growth inhibition of P. falciparum at EC 34.56 ± 0.26 µM. Additionally, BS also displayed the cytotoxicity against HeLa (IC 41.41 ± 4.21 μg/mL), MCF-7 (IC 42.79 ± 6.07 μg/mL) and HCT (IC 31.233 ± 5.08 μg/mL) cell lines. Molecular docking analysis was carried for the most popular glycolipid type BS namely Rhamnolipid (RHL) aiming to interpret the possible binding interaction for anti-tubercular and anti-cancer activity. This analysis revealed the involvement of RHL binding with enoyl reductase (InhA) of M. tuberculosis. Docking studies of RHL with tubulin directed several hydrophobic and Vander Waal interactions to exhibit anti-cancer potential. The present study will be helpful for further development of marine bioactive molecules for therapeutic applications. Their anti-tubercular, anti-plasmodial and cytotoxic activities make BS molecules as a noteworthy candidate to combat several diseases. To the best of our knowledge, this is the first report on projecting the pharmacological potential of Planococcus derived BS.
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http://dx.doi.org/10.1007/s00284-019-01850-1 | DOI Listing |
Mar Drugs
December 2022
Marine College, Shandong University, Weihai 264209, China.
The antioxidant effect of probiotics has been widely recognized across the world, which is of great significance in food, medicine, and aquaculture. There are abundant marine microbial resources in the ocean, which provide a new space for humans to explore new probiotics. Previously, we reported on the anti-infective effects of ML1206, a potential marine probiotic.
View Article and Find Full Text PDFMicrob Cell Fact
October 2021
Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University, 1-308 Suematsu, Nonoichi, Ishikawa, 921-8836, Japan.
Background: Members of the genus Planococcus have been revealed to utilize and degrade solvents such as aromatic hydrocarbons and alkanes, and likely to acquire tolerance to solvents. A yellow marine bacterium Planococcus maritimus strain iso-3 was isolated from an intertidal sediment that looked industrially polluted, from the Clyde estuary in the UK. This bacterium was found to produce a yellow acyclic carotenoid with a basic carbon 30 (C) structure, which was determined to be methyl 5-glucosyl-5,6-dihydro-4,4'-diapolycopenoate.
View Article and Find Full Text PDFGenes (Basel)
March 2021
Department of Entomology, Cornell University, Ithaca, NY 14850, USA.
Insect pest control by RNA interference (RNAi)-mediated gene expression knockdown can be undermined by many factors, including small sequence differences between double-stranded RNA (dsRNA) and the target gene. It can also be compromised by effects that are independent of the dsRNA sequence on non-target organisms (known as sequence-non-specific effects). This study investigated the species-specificity of RNAi in plant sap-feeding hemipteran pests.
View Article and Find Full Text PDFMar Drugs
March 2021
Marine College, Shandong University, Weihai 264209, China.
With the widespread occurrence of aquaculture diseases and the broad application of antibiotics, drug-resistant pathogens have increasingly affected aquatic animals' health. Marine probiotics, which live under high pressure in a saltwater environment, show high potential as a substitute for antibiotics in the field of aquatic disease control. In this study, twenty strains of non-hemolytic bacteria were isolated from the intestine of wild oysters and perch, and a model of infected by was established.
View Article and Find Full Text PDFJ Sci Food Agric
June 2021
School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China.
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