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Loney RE, Delesalle VA, Chaudry BE, Czerpak M, Guffey AA, Goubet-McCall L, McCarty M, Strine MS, Tanke NT, Vill AC, Krukonis GP. A Novel Subcluster of Closely Related Bacillus Phages with Distinct Tail Fiber/Lysin Gene Combinations. Viruses 2023; 15:2267. [PMID: 38005943 PMCID: PMC10674732 DOI: 10.3390/v15112267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 11/11/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023] Open
Abstract
Bacteriophages (phages) are the most numerous entities on Earth, but we have only scratched the surface of describing phage diversity. We isolated seven Bacillus subtilis phages from desert soil in the southwest United States and then sequenced and characterized their genomes. Comparative analyses revealed high nucleotide and amino acid similarity between these seven phages, which constitute a novel subcluster. Interestingly, the tail fiber and lysin genes of these phages seem to come from different origins and carry out slightly different functions. These genes were likely acquired by this subcluster of phages via horizontal gene transfer. In conjunction with host range assays, our data suggest that these phages are adapting to hosts with different cell walls.
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Affiliation(s)
- Rachel E. Loney
- University Program in Genetics and Genomics, School of Medicine, Duke University, Durham, NC 27708, USA
| | - Véronique A. Delesalle
- Department of Biology, Gettysburg College, 300 N Washington St., Gettysburg, PA 17325, USA; (M.C.); (M.M.)
| | | | - Megan Czerpak
- Department of Biology, Gettysburg College, 300 N Washington St., Gettysburg, PA 17325, USA; (M.C.); (M.M.)
| | - Alexandra A. Guffey
- Janssen Scientific Affairs, LLC. 200 Tournament Dr., Horsham, PA 19044, USA;
| | - Leo Goubet-McCall
- Department of Biology, The Pennsylvania State University, 201 Huck Life Sciences Building, University Park, PA 16802, USA;
| | - Michael McCarty
- Department of Biology, Gettysburg College, 300 N Washington St., Gettysburg, PA 17325, USA; (M.C.); (M.M.)
| | - Madison S. Strine
- Department of Immunobiology, Yale School of Medicine, 333 Cedar St., New Haven, CT 06510, USA;
| | - Natalie T. Tanke
- Department of Cell Biology and Physiology, University of North Carolina, Chapel Hill, NC 27599, USA;
| | - Albert C. Vill
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT 06520, USA;
| | - Greg P. Krukonis
- Department of Biology, Angelo State University, Cavness Science Building 101, ASU Station #10890, San Angelo, TX 76909, USA;
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Chukwudulue UM, Barger N, Dubovis M, Luzzatto Knaan T. Natural Products and Pharmacological Properties of Symbiotic Bacillota (Firmicutes) of Marine Macroalgae. Mar Drugs 2023; 21:569. [PMID: 37999393 PMCID: PMC10672036 DOI: 10.3390/md21110569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 11/25/2023] Open
Abstract
The shift from the terrestrial to the marine environment to discover natural products has given rise to novel bioactive compounds, some of which have been approved for human medicine. However, the ocean, which makes up nearly three-quarters of the Earth's surface, contains macro- and microorganisms whose natural products are yet to be explored. Among these underexplored marine organisms are macroalgae and their symbiotic microbes, such as Bacillota, a phylum of mostly Gram-positive bacteria previously known as Firmicutes. Macroalgae-associated Bacillota often produce chemical compounds that protect them and their hosts from competitive and harmful rivals. Here, we summarised the natural products made by macroalgae-associated Bacillota and their pharmacological properties. We discovered that these Bacillota are efficient producers of novel biologically active molecules. However, only a few macroalgae had been investigated for chemical constituents of their Bacillota: nine brown, five red and one green algae. Thus, Bacillota, especially from the marine habitat, should be investigated for potential pharmaceutical leads. Moreover, additional diverse biological assays for the isolated molecules of macroalgae Bacillota should be implemented to expand their bioactivity profiles, as only antibacterial properties were tested for most compounds.
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Affiliation(s)
| | | | | | - Tal Luzzatto Knaan
- Department of Marine Biology, The Charney School of Marine Sciences, University of Haifa, Mount Carmel, Haifa 103301, Israel; (U.M.C.); (N.B.); (M.D.)
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Park YJ, Kim YJ, Yu HH, Lee NK, Paik HD. Cell-free supernatants of Bacillus subtilis and Bacillus polyfermenticus inhibit Listeria monocytogenes biofilm formation. Food Control 2023. [DOI: 10.1016/j.foodcont.2022.109387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Lahiri D, Nag M, Dey A, Sarkar T, Pati S, Nirmal NP, Ray RR, Upadhye VJ, Pandit S, Moovendhan M, Kavisri M. Marine bioactive compounds as antibiofilm agent: a metabolomic approach. Arch Microbiol 2023; 205:54. [PMID: 36602609 DOI: 10.1007/s00203-022-03391-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 12/17/2022] [Accepted: 12/27/2022] [Indexed: 01/06/2023]
Abstract
The ocean is a treasure trove of both living and nonliving creatures, harboring incredibly diverse group of organisms. A plethora of marine sourced bioactive compounds are discovered over the past few decades, many of which are found to show antibiofilm activity. These are of immense clinical significance since the formation of microbial biofilm is associated with the development of high antibiotic resistance. Biofilms are also responsible to bring about problems associated with industries. In fact, the toilets and wash-basins also show degradation due to development of biofilm on their surfaces. Antimicrobial resistance exhibited by the biofilm can be a potent threat not only for the health care unit along with industries and daily utilities. Various recent studies have shown that the marine members of various kingdom are capable of producing antibiofilm compounds. Many such compounds are with unique structural features and metabolomics approaches are essential to study such large sets of metabolites. Associating holobiome metabolomics with analysis of their chemical attribute may bring new insights on their antibiofilm effect and their applicability as a substitute for conventional antibiotics. The application of computer-aided drug design/discovery (CADD) techniques including neural network approaches and structured-based virtual screening, ligand-based virtual screening in combination with experimental validation techniques may help in the identification of these molecules and evaluation of their drug like properties.
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Affiliation(s)
- Dibyajit Lahiri
- Department of Biotechnology, University of Engineering & Management, Kolkata, 700160, West Bengal, India
| | - Moupriya Nag
- Department of Biotechnology, University of Engineering & Management, Kolkata, 700160, West Bengal, India
| | - Ankita Dey
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, Haringhata, West Bengal, India
| | - Tanmay Sarkar
- Department of Food Processing Technology, Malda Polytechnic, West Bengal State Council of Technical Education, Government of West Bengal, Malda, 732102, West Bengal, India
| | - Siddhartha Pati
- Nat Nov Bioscience Private Limited, Balasore, 756001, Odisha, India
| | - Nilesh P Nirmal
- Institute of Nutrition, Mahidol University, 999 Phutthamonthon 4 Road, Salaya, 73170, Nakhon Pathom, Thailand.
| | - Rina Rani Ray
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, Haringhata, West Bengal, India.
| | - Vijay Jagdish Upadhye
- Center of Research for Development (CR4D), Parul Institute of Applied Sciences (PIAS), Parul University, Vadodara, Gujarat, India
| | - Soumya Pandit
- Department of Life Sciences, School of Basic Sciences and Research, Sharda University, Greater Noida, 201306, India
| | - M Moovendhan
- Centre for Ocean Research (DST-FIST Sponsored Centre) MoES-Earth Science & Technology Cell, Col. Dr. Jeppiaar Research Park, Sathyabama Institute of Science and Technology, Chennai, 600119, Tamil Nadu, India
| | - M Kavisri
- Department of Civil Engineering, School of Building and Environment, Sathyabama Institute of Science and Technology, Chennai, 600119, India
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Tkachuk N, Zelena L. Inhibition of heterotrophic bacterial biofilm in the soil ferrosphere by Streptomyces spp. and Bacillus velezensis. BIOFOULING 2022; 38:916-925. [PMID: 36440643 DOI: 10.1080/08927014.2022.2151362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 11/14/2022] [Accepted: 11/18/2022] [Indexed: 06/16/2023]
Abstract
The soil microbiome is involved in the processes of microbial corrosion, in particular, by the formation of biofilm. It has been proposed that an environmentally friendly solution to this corrosion might be through biological control. Bacillus velezensis NUChC C2b, Streptomyces gardneri ChNPU F3 and S. canus NUChC F2 were investigated as potentially 'green' biocides to prevent attachment to glass as a model surface and the formation of heterotrophic bacterial biofilm which participates in the corrosion process. Results showed high antagonistic and antibiofilm properties of S. gardneri ChNPU F3; which may be related to the formation of secondary antimicrobial metabolites by this strain. B. velezensis NUChC C2b and S. gardneri ChNPU F3 could be incorporated into green biocides - as components of antibiofilm agents that will protect material from bacterial corrosion or as agents that will prevent historical heritage damage.
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Affiliation(s)
- Nataliia Tkachuk
- Department of Biology, T.H. Shevchenko National University "Chernihiv Colehium", Chernihiv, Ukraine
| | - Liubov Zelena
- Department of Physiology of Industrial Microorganisms of the Danylo Zabolotny Institute of Microbiology and Virology, NAS of Ukraine, Kyiv, Ukraine
- Department of Biotechnology, Leather and Fur, Kyiv National University of Technologies and Design, Kyiv, Ukraine
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Vill AC, Delesalle VA, Tomko BE, Lichty KB, Strine MS, Guffey AA, Burton EA, Tanke NT, Krukonis GP. Comparative Genomics of Six Lytic Bacillus subtilis Phages from the Southwest United States. PHAGE (NEW ROCHELLE, N.Y.) 2022; 3:171-178. [PMID: 36793550 PMCID: PMC9917325 DOI: 10.1089/phage.2022.0030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Background Despite their importance to microbial dynamics involving Bacillus subtilis, we have a limited understanding of the diversity of phages that can lyse this model organism. Materials and Methods Phages were isolated from soil samples collected from various sites in the southwest U.S. deserts on a wild B. subtilis strain. Their genomes were assembled, characterized, and bioinformatically compared. Results Six Siphoviruses with high nucleotide and amino acid similarity to each other (>80%) but very limited similarity to phages currently in GenBank were isolated. These phages have double-stranded DNA genomes (55,312 to 56,127 bp) with 86-91 putative protein coding genes, and a low GC content. Comparative genomics reveal differences in loci encoding proteins that are putatively involved in bacterial adsorption with evidence for genomic mosaicism and a possible role for small genes. Conclusions A comparative approach provides insights into phage evolution, including the role of indels in protein folding.
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Affiliation(s)
- Albert C. Vill
- Department of Biology, Gettysburg College, Gettysburg, Pennsylvania, USA
| | | | - Brianne E. Tomko
- Department of Biology, Gettysburg College, Gettysburg, Pennsylvania, USA
| | | | - Madison S. Strine
- Department of Biology, Gettysburg College, Gettysburg, Pennsylvania, USA
| | | | | | - Natalie T. Tanke
- Department of Biology, Gettysburg College, Gettysburg, Pennsylvania, USA
| | - Greg P. Krukonis
- Department of Biology, Gettysburg College, Gettysburg, Pennsylvania, USA
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Raffaelli S, Abreo E, Altier N, Vázquez Á, Alborés S. Bioprospecting the Antibiofilm and Antimicrobial Activity of Soil and Insect Gut Bacteria. Molecules 2022; 27:molecules27062002. [PMID: 35335364 PMCID: PMC8951591 DOI: 10.3390/molecules27062002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 03/10/2022] [Accepted: 03/16/2022] [Indexed: 12/03/2022] Open
Abstract
Antimicrobial resistance is a growing concern in public health and current research shows an important role for bacterial biofilms in recurrent or chronic infections. New strategies, therefore, are necessary to overcome antimicrobial resistance, through the development of new therapies that could alter or inhibit biofilm formation. In this sense, antibiofilm natural products are very promising. In this work, a bioprospection of antimicrobial and antibiofilm extracts from Uruguayan soil bacteria and insect gut bacteria was carried out. Extracts from extracellular broths were tested for their ability to inhibit planktonic cell growth and biofilm formation. Genomic analysis of Bacillus cereus ILBB55 was carried out. All extracts were able to inhibit the growth of, at least, one microorganism and several extracts showed MICs lower than 500 µg mL−1 against microorganisms of clinical relevance (Staphylococcus aureus, Pseudomonas aeruginosa, and Enterobacter cloacae). Among the extracts evaluated for biofilm inhibition only ILBB55, from B. cereus, was able to inhibit, S. aureus (99%) and P. aeruginosa (62%) biofilms. Genomic analysis of this strain showed gene clusters similar to other clusters that code for known antimicrobial compounds. Our study revealed that extracts from soil bacteria and insect gut bacteria, especially from B. cereus ILBB55, could be potential candidates for drug discovery to treat infectious diseases and inhibit S. aureus and P. aeruginosa biofilms.
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Affiliation(s)
- Sofía Raffaelli
- Área de Microbiología, Departamento de Biociencias, Facultad de Química, Universidad de la República, Montevideo CP 11800, Uruguay;
- Laboratorio de Farmacognosia y Productos Naturales, Departamento de Química Orgánica, Facultad de Química, Universidad de la República, Montevideo CP 11800, Uruguay
- Posgrado en Química, Facultad de Química, Universidad de la República, Montevideo CP 11800, Uruguay
| | - Eduardo Abreo
- Laboratorio de Bioproducción, Plataforma de Bioinsumos, Estación Experimental INIA Las Brujas, Instituto Nacional de Investigación Agropecuaria, Canelones CP 90200, Uruguay; (E.A.); (N.A.)
| | - Nora Altier
- Laboratorio de Bioproducción, Plataforma de Bioinsumos, Estación Experimental INIA Las Brujas, Instituto Nacional de Investigación Agropecuaria, Canelones CP 90200, Uruguay; (E.A.); (N.A.)
| | - Álvaro Vázquez
- Laboratorio de Farmacognosia y Productos Naturales, Departamento de Química Orgánica, Facultad de Química, Universidad de la República, Montevideo CP 11800, Uruguay
- Correspondence: (Á.V.); (S.A.)
| | - Silvana Alborés
- Área de Microbiología, Departamento de Biociencias, Facultad de Química, Universidad de la República, Montevideo CP 11800, Uruguay;
- Correspondence: (Á.V.); (S.A.)
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An Analysis of Biosynthesis Gene Clusters and Bioactivity of Marine Bacterial Symbionts. Curr Microbiol 2021; 78:2522-2533. [PMID: 34041587 DOI: 10.1007/s00284-021-02535-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Accepted: 05/05/2021] [Indexed: 01/28/2023]
Abstract
Symbiotic marine bacteria have a pivotal role in drug discovery due to the synthesis of diverse biologically potential compounds. The marine bacterial phyla proteobacteria, actinobacteria and firmicutes are commonly associated with marine macro organisms and frequently reported as dominant bioactive compound producers. They can produce biologically active compounds that possess antimicrobial, antiviral, antitumor, antibiofilm and antifouling properties. Synthesis of these bioactive compounds is controlled by a set of genes of their genomes that is known as biosynthesis gene clusters (BGCs). The development in the field of biotechnology and bioinformatics has uncovered the potential BGCs of the bacterial genome and its functions. Now-a-days researchers have focused their attention on the identification of potential BGCs for the discovery of novel bioactive compounds using advanced technology. This review highlights the marine bacterial symbionts and their BGCs which are responsible for the synthesis of bioactive compounds.
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