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Deng L, Liu L, Fu T, Li C, Jin N, Zhang H, Li C, Liu Y, Zhao C. Genome Sequence and Evaluation of Safety and Probiotic Potential of Lactiplantibacillus plantarum LPJZ-658. Microorganisms 2023; 11:1620. [PMID: 37375122 DOI: 10.3390/microorganisms11061620] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/14/2023] [Accepted: 06/18/2023] [Indexed: 06/29/2023] Open
Abstract
This study aims to systematically evaluate the safety of a novel L. plantarum LPJZ-658 explored on whole-genome sequence analysis, safety, and probiotic properties assessment. Whole genome sequencing results demonstrated that L. plantarum LPJZ-658 consists of 3.26 Mbp with a GC content of 44.83%. A total of 3254 putative ORFs were identified. Of note, a putative bile saline hydrolase (BSH) (identity 70.4%) was found in its genome. In addition, the secondary metabolites were analyzed, and one secondary metabolite gene cluster was predicted to consist of 51 genes, which verified its safety and probiotic properties at the genome level. Additionally, L. plantarum LPJZ-658 exhibited non-toxic and non-hemolytic activity and was susceptible to various tested antibiotics, indicating that L. plantarum LPJZ-658 was safe for consumption. Moreover, the probiotic properties tests confirm that L. plantarum LPJZ-658 also exhibits tolerance to acid and bile salts, preferably hydrophobicity and auto-aggregation, and excellent antimicrobial activity against both Gram-positive and Gram-negative gastrointestinal pathogens. In conclusion, this study confirmed the safety and probiotic properties of L. plantarum LPJZ-658, suggesting it can be used as a potential probiotic candidate for human and animal applications.
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Affiliation(s)
- Liquan Deng
- School of Public Health, Jilin University, Changchun 130021, China
| | - Liming Liu
- College of Animal Science and Technology, Jilin Agricultural Science and Technology University, Jilin 132101, China
| | - Tongyu Fu
- College of Animal Science and Technology, Jilin Agricultural Science and Technology University, Jilin 132101, China
| | - Chunhua Li
- College of Animal Science and Technology, Jilin Agricultural Science and Technology University, Jilin 132101, China
| | - Ningyi Jin
- Research Unit of Key Technologies for Prevention and Control of Virus Zoonoses, Chinese Academy of Medical Sciences, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China
| | - Heping Zhang
- Department of Food Science and Engineering, Inner Mongolia Agricultural University, Huhhot 010010, China
| | - Chang Li
- Research Unit of Key Technologies for Prevention and Control of Virus Zoonoses, Chinese Academy of Medical Sciences, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China
| | - Yawen Liu
- School of Public Health, Jilin University, Changchun 130021, China
| | - Cuiqing Zhao
- College of Animal Science and Technology, Jilin Agricultural Science and Technology University, Jilin 132101, China
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Chen L, Wang XY, Liu RZ, Wang GY. Culturable Microorganisms Associated with Sea Cucumbers and Microbial Natural Products. Mar Drugs 2021; 19:md19080461. [PMID: 34436300 PMCID: PMC8400260 DOI: 10.3390/md19080461] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/08/2021] [Accepted: 08/13/2021] [Indexed: 12/29/2022] Open
Abstract
Sea cucumbers are a class of marine invertebrates and a source of food and drug. Numerous microorganisms are associated with sea cucumbers. Seventy-eight genera of bacteria belonging to 47 families in four phyla, and 29 genera of fungi belonging to 24 families in the phylum Ascomycota have been cultured from sea cucumbers. Sea-cucumber-associated microorganisms produce diverse secondary metabolites with various biological activities, including cytotoxic, antimicrobial, enzyme-inhibiting, and antiangiogenic activities. In this review, we present the current list of the 145 natural products from microorganisms associated with sea cucumbers, which include primarily polyketides, as well as alkaloids and terpenoids. These results indicate the potential of the microorganisms associated with sea cucumbers as sources of bioactive natural products.
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Affiliation(s)
- Lei Chen
- Correspondence: or (L.C.); or (G.-Y.W.); Tel.: +86-631-5687076 (L.C.); +86-631-5682925 (G.-Y.W.)
| | | | | | - Guang-Yu Wang
- Correspondence: or (L.C.); or (G.-Y.W.); Tel.: +86-631-5687076 (L.C.); +86-631-5682925 (G.-Y.W.)
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Bhetariya PJ, Prajapati M, Bhaduri A, Mandal RS, Varma A, Madan T, Singh Y, Sarma PU. Phylogenetic and Structural Analysis of Polyketide Synthases in Aspergilli. Evol Bioinform Online 2016; 12:109-19. [PMID: 27199544 PMCID: PMC4863872 DOI: 10.4137/ebo.s32694] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Revised: 12/09/2015] [Accepted: 12/13/2015] [Indexed: 12/15/2022] Open
Abstract
Polyketide synthases (PKSs) of Aspergillus species are multidomain and multifunctional megaenzymes that play an important role in the synthesis of diverse polyketide compounds. Putative PKS protein sequences from Aspergillus species representing medically, agriculturally, and industrially important Aspergillus species were chosen and screened for in silico studies. Six candidate Aspergillus species, Aspergillus fumigatus Af293, Aspergillus flavus NRRL3357, Aspergillus niger CBS 513.88, Aspergillus terreus NIH2624, Aspergillus oryzae RIB40, and Aspergillus clavatus NRRL1, were selected to study the PKS phylogeny. Full-length PKS proteins and only ketosynthase (KS) domain sequence were retrieved for independent phylogenetic analysis from the aforementioned species, and phylogenetic analysis was performed with characterized fungal PKS. This resulted into grouping of Aspergilli PKSs into nonreducing (NR), partially reducing (PR), and highly reducing (HR) PKS enzymes. Eight distinct clades with unique domain arrangements were classified based on homology with functionally characterized PKS enzymes. Conserved motif signatures corresponding to each type of PKS were observed. Three proteins from Protein Data Bank corresponding to NR, PR, and HR type of PKS (XP_002384329.1, XP_753141.2, and XP_001402408.2, respectively) were selected for mapping of conserved motifs on three-dimensional structures of KS domain. Structural variations were found at the active sites on modeled NR, PR, and HR enzymes of Aspergillus. It was observed that the number of iteration cycles was dependent on the size of the cavity in the active site of the PKS enzyme correlating with a type with reducing or NR products, such as pigment, 6MSA, and lovastatin. The current study reports the grouping and classification of PKS proteins of Aspergilli for possible exploration of novel polyketides based on sequence homology; this information can be useful for selection of PKS for polyketide exploration and specific detection of Aspergilli.
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Affiliation(s)
- Preetida J Bhetariya
- Division of Plant Pathology, Indian Agricultural Research Institute, Pusa Campus, New Delhi, India
| | - Madhvi Prajapati
- Division of Plant Pathology, Indian Agricultural Research Institute, Pusa Campus, New Delhi, India
| | - Asani Bhaduri
- Cluster innovation Centre, University of Delhi, Delhi, India
| | - Rahul Shubhra Mandal
- Biomedical Informatics Center, National Institute of Cholera and Enteric Diseases, Kolkata, India
| | - Anupam Varma
- Division of Plant Pathology, Indian Agricultural Research Institute, Pusa Campus, New Delhi, India
| | - Taruna Madan
- National Institute for Research in Reproductive Health (ICMR), Mumbai, India
| | - Yogendra Singh
- Department of Zoology, University of Delhi, New Delhi, India
| | - P Usha Sarma
- Division of Plant Pathology, Indian Agricultural Research Institute, Pusa Campus, New Delhi, India
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Medema MH, Fischbach MA. Computational approaches to natural product discovery. Nat Chem Biol 2015; 11:639-48. [PMID: 26284671 PMCID: PMC5024737 DOI: 10.1038/nchembio.1884] [Citation(s) in RCA: 292] [Impact Index Per Article: 32.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Accepted: 07/07/2015] [Indexed: 01/13/2023]
Abstract
Starting with the earliest Streptomyces genome sequences, the promise of natural product genome mining has been captivating: genomics and bioinformatics would transform compound discovery from an ad hoc pursuit to a high-throughput endeavor. Until recently, however, genome mining has advanced natural product discovery only modestly. Here, we argue that the development of algorithms to mine the continuously increasing amounts of (meta)genomic data will enable the promise of genome mining to be realized. We review computational strategies that have been developed to identify biosynthetic gene clusters in genome sequences and predict the chemical structures of their products. We then discuss networking strategies that can systematize large volumes of genetic and chemical data and connect genomic information to metabolomic and phenotypic data. Finally, we provide a vision of what natural product discovery might look like in the future, specifically considering longstanding questions in microbial ecology regarding the roles of metabolites in interspecies interactions.
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Affiliation(s)
- Marnix H. Medema
- Bioinformatics Group, Wageningen University, Droevendaalsesteeg 1, 6708PB Wageningen, The Netherlands
| | - Michael A. Fischbach
- Department of Bioengineering and Therapeutic Sciences and California Institute for Quantitative Biosciences, University of California, San Francisco, San Francisco, CA 94158
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Identification of the antiphagocytic trypacidin gene cluster in the human-pathogenic fungus Aspergillus fumigatus. Appl Microbiol Biotechnol 2015; 99:10151-61. [PMID: 26278536 DOI: 10.1007/s00253-015-6898-1] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2015] [Revised: 07/26/2015] [Accepted: 07/29/2015] [Indexed: 12/30/2022]
Abstract
The opportunistic human pathogen Aspergillus fumigatus produces numerous different natural products. The genetic basis for the biosynthesis of a number of known metabolites has remained unknown. The gene cluster encoding for the biosynthesis of the conidia-bound metabolite trypacidin is of particular interest because of its antiprotozoal activity and possible role in the infection process. Here, we show that the genes encoding the biosynthesis enzymes of trypacidin reside within an orphan gene cluster in A. fumigatus. Genome mining identified tynC as an uncharacterized polyketide synthase with high similarity to known enzymes, whose products are structurally related to trypacidin including endocrocin and fumicycline. Gene deletion of tynC resulted in the complete absence of trypacidin production, which was fully restored when the mutant strain was complemented with the wild-type gene. When confronted with macrophages, the tynC deletion mutant conidia were more frequently phagocytosed than those of the parental wild-type strain. This was also found for phagocytic amoebae of the species Dictyostelium discoideum, which showed increased phagocytosis of ΔtynC conidia. Both macrophages and amoebae were also sensitive to trypacidin. Therefore, our results suggest that the conidium-bound trypacidin could have a protective function against phagocytes both in the environment and during the infection process.
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Quadri LEN. Biosynthesis of mycobacterial lipids by polyketide synthases and beyond. Crit Rev Biochem Mol Biol 2014; 49:179-211. [DOI: 10.3109/10409238.2014.896859] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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O'Brien RV, Davis RW, Khosla C, Hillenmeyer ME. Computational identification and analysis of orphan assembly-line polyketide synthases. J Antibiot (Tokyo) 2013; 67:89-97. [PMID: 24301183 DOI: 10.1038/ja.2013.125] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2013] [Revised: 10/30/2013] [Accepted: 10/31/2013] [Indexed: 01/13/2023]
Abstract
The increasing availability of DNA sequence data offers an opportunity for identifying new assembly-line polyketide synthases (PKSs) that produce biologically active natural products. We developed an automated method to extract and consolidate all multimodular PKS sequences (including hybrid PKS/non-ribosomal peptide synthetases) in the National Center for Biotechnology Information (NCBI) database, generating a non-redundant catalog of 885 distinct assembly-line PKSs, the majority of which were orphans associated with no known polyketide product. Two in silico experiments highlight the value of this search method and resulting catalog. First, we identified an orphan that could be engineered to produce an analog of albocycline, an interesting antibiotic whose gene cluster has not yet been sequenced. Second, we identified and analyzed a hitherto overlooked family of metazoan multimodular PKSs, including one from Caenorhabditis elegans. We also developed a comparative analysis method that identified sequence relationships among known and orphan PKSs. As expected, PKS sequences clustered according to structural similarities between their polyketide products. The utility of this method was illustrated by highlighting an interesting orphan from the genus Burkholderia that has no close relatives. Our search method and catalog provide a community resource for the discovery of new families of assembly-line PKSs and their antibiotic products.
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Affiliation(s)
| | - Ronald W Davis
- 1] Department of Biochemistry, Stanford University, Stanford, CA, USA [2] Stanford Genome Technology Center, 855 South California Avenue, Palo Alto, CA, USA
| | - Chaitan Khosla
- 1] Department of Chemistry, Stanford University, Stanford, CA, USA [2] Department of Biochemistry, Stanford University, Stanford, CA, USA [3] Chemical Engineering, Stanford University, Stanford, CA, USA
| | - Maureen E Hillenmeyer
- 1] Department of Biochemistry, Stanford University, Stanford, CA, USA [2] Stanford Genome Technology Center, 855 South California Avenue, Palo Alto, CA, USA
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8
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Hwang KS, Kim HU, Charusanti P, Palsson BØ, Lee SY. Systems biology and biotechnology of Streptomyces species for the production of secondary metabolites. Biotechnol Adv 2013; 32:255-68. [PMID: 24189093 DOI: 10.1016/j.biotechadv.2013.10.008] [Citation(s) in RCA: 138] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2013] [Revised: 10/20/2013] [Accepted: 10/25/2013] [Indexed: 11/29/2022]
Abstract
Streptomyces species continue to attract attention as a source of novel medicinal compounds. Despite a long history of studies on these microorganisms, they still have many biochemical mysteries to be elucidated. Investigations of novel secondary metabolites and their biosynthetic gene clusters have been more systematized with high-throughput techniques through inspections of correlations among components of the primary and secondary metabolisms at the genome scale. Moreover, up-to-date information on the genome of Streptomyces species with emphasis on their secondary metabolism has been collected in the form of databases and knowledgebases, providing predictive information and enabling one to explore experimentally unrecognized biological spaces of secondary metabolism. Herein, we review recent trends in the systems biology and biotechnology of Streptomyces species.
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Affiliation(s)
- Kyu-Sang Hwang
- Metabolic and Biomolecular Engineering National Research Laboratory, Department of Chemical and Biomolecular Engineering (BK21 program), and Center for Systems and Synthetic Biotechnology, Institute for the BioCentury, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, Republic of Korea
| | - Hyun Uk Kim
- Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Hørsholm, Denmark; Metabolic and Biomolecular Engineering National Research Laboratory, Department of Chemical and Biomolecular Engineering (BK21 program), and Center for Systems and Synthetic Biotechnology, Institute for the BioCentury, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, Republic of Korea
| | - Pep Charusanti
- Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Hørsholm, Denmark
| | - Bernhard Ø Palsson
- Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Hørsholm, Denmark
| | - Sang Yup Lee
- Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Hørsholm, Denmark; Metabolic and Biomolecular Engineering National Research Laboratory, Department of Chemical and Biomolecular Engineering (BK21 program), and Center for Systems and Synthetic Biotechnology, Institute for the BioCentury, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, Republic of Korea.
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9
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Zheng J, Fage CD, Demeler B, Hoffman DW, Keatinge-Clay AT. The missing linker: a dimerization motif located within polyketide synthase modules. ACS Chem Biol 2013; 8:1263-70. [PMID: 23489133 PMCID: PMC4365927 DOI: 10.1021/cb400047s] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The dimerization of multimodular polyketide synthases is essential for their function. Motifs that supplement the contacts made by dimeric polyketide synthase enzymes have previously been characterized outside the boundaries of modules, at the N- and C-terminal ends of polyketide synthase subunits. Here we describe a heretofore uncharacterized dimerization motif located within modules. The dimeric state of this dimerization element was elucidated through the 2.6 Å resolution crystal structure of a fragment containing a dimerization element and a ketoreductase. The solution structure of a standalone dimerization element was revealed by nuclear magnetic resonance spectroscopy to be consistent with that of the crystal structure, and its dimerization constant was measured through analytical ultracentrifugation to be ∼20 μM. The dimer buries ∼990 Å(2) at its interface, and its C-terminal helices rigidly connect to ketoreductase domains to constrain their locations within a module. These structural restraints permitted the construction of a common type of polyketide synthase module.
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Affiliation(s)
- Jianting Zheng
- Department of Chemistry & Biochemistry, The University of Texas at Austin, 1 University Station A5300, Austin, TX 78712
| | - Christopher D. Fage
- Department of Chemistry & Biochemistry, The University of Texas at Austin, 1 University Station A5300, Austin, TX 78712
| | - Borries Demeler
- Department of Biochemistry, The University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229
| | - David W. Hoffman
- Department of Chemistry & Biochemistry, The University of Texas at Austin, 1 University Station A5300, Austin, TX 78712
| | - Adrian T. Keatinge-Clay
- Department of Chemistry & Biochemistry, The University of Texas at Austin, 1 University Station A5300, Austin, TX 78712
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Abstract
ClusterMine360 (http://www.clustermine360.ca/) is a database of microbial polyketide and non-ribosomal peptide gene clusters. It takes advantage of crowd-sourcing by allowing members of the community to make contributions while automation is used to help achieve high data consistency and quality. The database currently has >200 gene clusters from >185 compound families. It also features a unique sequence repository containing >10 000 polyketide synthase/non-ribosomal peptide synthetase domains. The sequences are filterable and downloadable as individual or multiple sequence FASTA files. We are confident that this database will be a useful resource for members of the polyketide synthases/non-ribosomal peptide synthetases research community, enabling them to keep up with the growing number of sequenced gene clusters and rapidly mine these clusters for functional information.
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Affiliation(s)
- Kyle R Conway
- Department of Chemistry, Center for Advanced Research in Environmental Genomics, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
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Yuzawa S, Kim W, Katz L, Keasling JD. Heterologous production of polyketides by modular type I polyketide synthases in Escherichia coli. Curr Opin Biotechnol 2012; 23:727-35. [DOI: 10.1016/j.copbio.2011.12.029] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2011] [Revised: 12/19/2011] [Accepted: 12/21/2011] [Indexed: 11/15/2022]
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Lin SH, Yoshimoto M, Lyu PC, Tang CY, Arita M. Phylogenomic and domain analysis of iterative polyketide synthases in Aspergillus species. Evol Bioinform Online 2012; 8:373-87. [PMID: 22844193 PMCID: PMC3399418 DOI: 10.4137/ebo.s9796] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Aspergillus species are industrially and agriculturally important as fermentors and as producers of various secondary metabolites. Among them, fungal polyketides such as lovastatin and melanin are considered a gold mine for bioactive compounds. We used a phylogenomic approach to investigate the distribution of iterative polyketide synthases (PKS) in eight sequenced Aspergilli and classified over 250 fungal genes. Their genealogy by the conserved ketosynthase (KS) domain revealed three large groups of nonreducing PKS, one group inside bacterial PKS, and more than 9 small groups of reducing PKS. Polyphyly of nonribosomal peptide synthase (NRPS)-PKS genes raised questions regarding the recruitment of the elegant conjugation machinery. High rates of gene duplication and divergence were frequent. All data are accessible through our web database at http://metabolomics.jp/wiki/Category:PK.
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Affiliation(s)
- Shu-Hsi Lin
- Institute of Bioinformatics and Structural Biology, National Tsing Hua University, Hsinchu, Taiwan
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Zhao B, Gao Z, Shao Y, Yan J, Hu Y, Yu J, Liu Q, Chen F. Diversity analysis of type I ketosynthase in rhizosphere soil of cucumber. J Basic Microbiol 2011; 52:224-31. [DOI: 10.1002/jobm.201000455] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2010] [Accepted: 04/16/2011] [Indexed: 11/08/2022]
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14
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Planson AG, Carbonell P, Grigoras I, Faulon JL. Engineering antibiotic production and overcoming bacterial resistance. Biotechnol J 2011; 6:812-25. [PMID: 21661120 DOI: 10.1002/biot.201100085] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2011] [Revised: 05/13/2011] [Accepted: 05/16/2011] [Indexed: 01/21/2023]
Abstract
Progress in DNA technology, analytical methods and computational tools is leading to new developments in synthetic biology and metabolic engineering, enabling new ways to produce molecules of industrial and therapeutic interest. Here, we review recent progress in both antibiotic production and strategies to counteract bacterial resistance to antibiotics. Advances in sequencing and cloning are increasingly enabling the characterization of antibiotic biosynthesis pathways, and new systematic methods for de novo biosynthetic pathway prediction are allowing the exploration of the metabolic chemical space beyond metabolic engineering. Moreover, we survey the computer-assisted design of modular assembly lines in polyketide synthases and non-ribosomal peptide synthases for the development of tailor-made antibiotics. Nowadays, production of novel antibiotic can be tranferred into any chosen chassis by optimizing a host factory through specific strain modifications. These advances in metabolic engineering and synthetic biology are leading to novel strategies for engineering antimicrobial agents with desired specificities.
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Affiliation(s)
- Anne-Gaëlle Planson
- Institute of Systems and Synthetic Biology, University of Evry-Val-d'Esonne, 5 rue Henri Desbruères, Evry, France
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