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León-Buitimea A, Balderas-Cisneros FDJ, Garza-Cárdenas CR, Garza-Cervantes JA, Morones-Ramírez JR. Synthetic Biology Tools for Engineering Microbial Cells to Fight Superbugs. Front Bioeng Biotechnol 2022; 10:869206. [PMID: 35600895 PMCID: PMC9114757 DOI: 10.3389/fbioe.2022.869206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 04/18/2022] [Indexed: 11/23/2022] Open
Abstract
With the increase in clinical cases of bacterial infections with multiple antibiotic resistance, the world has entered a health crisis. Overuse, inappropriate prescribing, and lack of innovation of antibiotics have contributed to the surge of microorganisms that can overcome traditional antimicrobial treatments. In 2017, the World Health Organization published a list of pathogenic bacteria, including Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Escherichia coli (ESKAPE). These bacteria can adapt to multiple antibiotics and transfer their resistance to other organisms; therefore, studies to find new therapeutic strategies are needed. One of these strategies is synthetic biology geared toward developing new antimicrobial therapies. Synthetic biology is founded on a solid and well-established theoretical framework that provides tools for conceptualizing, designing, and constructing synthetic biological systems. Recent developments in synthetic biology provide tools for engineering synthetic control systems in microbial cells. Applying protein engineering, DNA synthesis, and in silico design allows building metabolic pathways and biological circuits to control cellular behavior. Thus, synthetic biology advances have permitted the construction of communication systems between microorganisms where exogenous molecules can control specific population behaviors, induce intracellular signaling, and establish co-dependent networks of microorganisms.
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Affiliation(s)
- Angel León-Buitimea
- Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León (UANL), San Nicolás de los Garza, Mexico
- Centro de Investigación en Biotecnología y Nanotecnología, Facultad de Ciencias Químicas, Parque de Investigación e Innovación Tecnológica, Universidad Autónoma de Nuevo León, Apodaca, Mexico
| | - Francisco de Jesús Balderas-Cisneros
- Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León (UANL), San Nicolás de los Garza, Mexico
- Centro de Investigación en Biotecnología y Nanotecnología, Facultad de Ciencias Químicas, Parque de Investigación e Innovación Tecnológica, Universidad Autónoma de Nuevo León, Apodaca, Mexico
| | - César Rodolfo Garza-Cárdenas
- Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León (UANL), San Nicolás de los Garza, Mexico
- Centro de Investigación en Biotecnología y Nanotecnología, Facultad de Ciencias Químicas, Parque de Investigación e Innovación Tecnológica, Universidad Autónoma de Nuevo León, Apodaca, Mexico
| | - Javier Alberto Garza-Cervantes
- Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León (UANL), San Nicolás de los Garza, Mexico
- Centro de Investigación en Biotecnología y Nanotecnología, Facultad de Ciencias Químicas, Parque de Investigación e Innovación Tecnológica, Universidad Autónoma de Nuevo León, Apodaca, Mexico
| | - José Rubén Morones-Ramírez
- Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León (UANL), San Nicolás de los Garza, Mexico
- Centro de Investigación en Biotecnología y Nanotecnología, Facultad de Ciencias Químicas, Parque de Investigación e Innovación Tecnológica, Universidad Autónoma de Nuevo León, Apodaca, Mexico
- *Correspondence: José Rubén Morones-Ramírez,
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Ji CH, Kim H, Je HW, Kwon H, Lee D, Kang HS. Top-down synthetic biology approach for titer improvement of clinically important antibiotic daptomycin in Streptomyces roseosporus. Metab Eng 2021; 69:40-49. [PMID: 34737068 DOI: 10.1016/j.ymben.2021.10.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/09/2021] [Accepted: 10/29/2021] [Indexed: 12/21/2022]
Abstract
Secondary metabolites are produced at low titers by native producers due to tight regulations of their productions in response to environmental conditions. Synthetic biology provides a rational engineering principle for transcriptional optimization of secondary metabolite BGCs (biosynthetic gene clusters). Here, we demonstrate the use of synthetic biology principles for the development of a high-titer strain of the clinically important antibiotic daptomycin. Due to the presence of large NRPS (non-ribosomal peptide synthetase) genes with multiple direct repeats, we employed a top-down approach that allows transcriptional optimization of genes in daptomycin BGC with the minimum inputs of synthetic DNAs. The repeat-free daptomycin BGC was created through partial codon-reprogramming of a NRPS gene and cloned into a shuttle BAC vector, allowing BGC refactoring in a host with a powerful recombination system. Then, transcriptions of functionally divided operons were sequentially optimized through three rounds of DBTL (design-build-test-learn) cycles that resulted in up to ~2300% improvement in total lipopeptide titers compared to the wild-type strain. Upon decanoic acid feeding, daptomycin accounted for ∼ 40% of total lipopeptide production. To the best of our knowledge, this is the highest improvement of daptomycin titer ever achieved through genetic engineering of S. roseosporus. The top-down engineering approach we describe here could be used as a general strategy for the development of high-titer industrial strains of secondary metabolites produced by BGCs containing genes of large multi-modular NRPS and PKS enzymes.
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Affiliation(s)
- Chang-Hun Ji
- Department of Biomedical Science and Engineering, Konkuk University, Seoul, 05029, Republic of Korea
| | - Hiyoung Kim
- Department of Biomedical Science and Engineering, Konkuk University, Seoul, 05029, Republic of Korea
| | - Hyun-Woo Je
- Department of Biomedical Science and Engineering, Konkuk University, Seoul, 05029, Republic of Korea
| | - Haeun Kwon
- Department of Plant Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, Republic of Korea
| | - Dongho Lee
- Department of Plant Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, Republic of Korea
| | - Hahk-Soo Kang
- Department of Biomedical Science and Engineering, Konkuk University, Seoul, 05029, Republic of Korea.
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Yu G, Hui M, Li R, Zhang S. Pleiotropic regulation of daptomycin synthesis by DptR1, a LuxR family transcriptional regulator. World J Microbiol Biotechnol 2020; 36:173. [DOI: 10.1007/s11274-019-2771-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Accepted: 11/30/2018] [Indexed: 12/11/2022]
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Yu G, Hui M, Li R, Zhang S. Pleiotropic regulation of daptomycin synthesis by DptR1, a LuxR family transcriptional regulator. World J Microbiol Biotechnol 2020; 36:135. [PMID: 32778952 DOI: 10.1007/s11274-020-02909-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Accepted: 11/30/2018] [Indexed: 02/06/2023]
Abstract
Daptomycin, produced by Streptomyces roseosporus is a novel cyclic lipopeptide antibiotic for treatment of Gram-positive bacteria caused infections. While, the regulatory mechanism of daptomycin synthesis has not been fully understood. Here we reported that DptR1, a LuxR family transcriptional regulator, played a pleiotropic regulatory role on daptomycin synthesis, for the first time. Deletion or over-expressing of dptR1 decreases the daptomycin's production, increases the transcriptional levels of the core dpt genes of day 3 and decreases the transcriptional levels of the core dpt genes of day 4, sharply, which indicates the transcriptional regulation of DptR1 on daptomycin synthesis is complex and time-ordered. The transcriptional levels of dptR2 increase in dptR1 deletion mutant (DR1), but decrease in dptR1 over-expression mutant (OR1), dramatically, compared to the starting strain of Streptomyces roseosporus N3 (WT), on the 3rd day, which indicates that DptR1 represses the transcription of dptR2. While, the transcriptional levels of dptR3 both in DR1 and OR1 decrease obviously, compared to WT, on the 3rd and 4th day. Comparative analysis of promoters' activities, using xylE gene as the reporter, shows that DptR1 activated the transcription of its own gene of dptR1 and represses the transcription of the dptR3 by affecting the promoter activities. While DptR1 may affect the expression of dptR2 indirectly, not by affecting the promoter activity of dptR2. DptR1, a LuxR family transcriptional regulator, played a pleiotropic regulation role on daptomycin synthesis.
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Affiliation(s)
- Guanghai Yu
- College of Biological Engineering, Henan University of Technology, Zhengzhou, 450001, People's Republic of China.
| | - Ming Hui
- College of Biological Engineering, Henan University of Technology, Zhengzhou, 450001, People's Republic of China
| | - Ruifang Li
- College of Biological Engineering, Henan University of Technology, Zhengzhou, 450001, People's Republic of China
| | - Shuaibing Zhang
- College of Biological Engineering, Henan University of Technology, Zhengzhou, 450001, People's Republic of China
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Yu G, Hui M, Li R, Chen L, Tian H, Wang L. Enhancement of Daptomycin Production by the Method of Combining Ribosome Engineering and Genome Shuffling in Streptomyces roseosporus. APPL BIOCHEM MICRO+ 2018. [DOI: 10.1134/s0003683818060169] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Ng IS, Yu YJ, Yi YC, Tan SI, Huang BC, Han YL. Identification of Gold Sensing Peptide by Integrative Proteomics and a Bacterial Two-Component System. Front Chem 2018; 5:127. [PMID: 29312931 PMCID: PMC5744191 DOI: 10.3389/fchem.2017.00127] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 12/15/2017] [Indexed: 02/05/2023] Open
Abstract
The proteomics strategy was utilized to analyze and identify the gold adsorption proteins from Tepidimonas fonticaldi AT-A2, due to its outstanding performance in gold-binding and recovery. The results showed that three small proteins, including histidine biosynthesis protein (HisIE), iron donor protein (CyaY) and hypothetical protein_65aa, have a higher ability to adsorb gold ions because of the negatively charged domains or metal binding sites. On the other hand, the Salmonella PmrA/PmrB two-component system first replaces the iron (III)-binding motif using the peptide sequence from hypothetical protein_65aa, and this is then used to reveal the sensing and responsiveness to gold metal ions, which is totally different from the performance of traditional gold binding peptide (GBP) on the crystals on the surface of gold (111). We have successfully demonstrated an integrative proteomics and bacterial two-component system to explore the novel GBP. Finally, the heterologous over-expression of GBP by E. coli and the equilibrium of binding capacity for Au(III) have been conducted.
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Affiliation(s)
- I-Son Ng
- Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan
| | - You-Jin Yu
- Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan
| | - Ying-Chen Yi
- Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan
| | - Shih-I Tan
- Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan
| | - Bo-Chuan Huang
- Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan
| | - Yin-Lung Han
- Green Energy and Environment Research Laboratories, Natural Resources, Technology Division, Industrial Technology Research Institute, Hsinchu, Taiwan
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Differential Proteomics Based on 2D-Difference In-Gel Electrophoresis and Tandem Mass Spectrometry for the Elucidation of Biological Processes in Antibiotic-Producer Bacterial Strains. Methods Mol Biol 2017. [PMID: 29222758 DOI: 10.1007/978-1-4939-7528-0_12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
Proteomics based on 2D-Difference In Gel Electrophoresis (2D-DIGE) coupled with mass spectrometry (MS) procedures can be considered a "gold standard" to determine quantitatively and comparatively protein abundances in cell extracts from different biological sources/conditions according to a gel-based approach. In particular, 2D-DIGE is used for protein specie separation, detection, and relative quantification, whenever tandem MS is used to obtain peptide sequence information that is managed according to bioinformatic procedures to identify the differentially represented protein species. The proteomic results consist of a dynamic portray of over- and down-represented protein species that, with the integration of gene ontology resources, allow obtaining a comprehensive understanding of the complex network of molecular signaling, regulatory circuits, and biochemical reactions occurring in cellular contexts. For this reason, proteomics has been widely used for studying molecular physiology of Gram-positive bacterial strains producing bioactive metabolites and belonging to actinomycete family. This highlighted the complex relationships linking overall regulatory processes and metabolic pathways to the biosynthesis of interesting bioactive molecules. In this chapter, we provide a detailed description of the procedures adopted to perform a differential proteomic analysis of the actinomycete Microbispora ATCC-PTA-5024, producing the promising NAI-107 lantibiotic. Although each experimental proteomic procedure has to be optimized to face the specific molecular characteristics of the organism under investigation, the protocols here described have also been used with minor modifications for proteomic studies on other bacterial strains, including the actinomycetes Streptomyces coelicolor, S. ambofaciens, Amycolatopsis balhimycina, and the Gram-negative proteobacteria Klebsiella oxytoca and Pseudoalteromonas haloplanktis.
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Gallo G, Renzone G, Palazzotto E, Monciardini P, Arena S, Faddetta T, Giardina A, Alduina R, Weber T, Sangiorgi F, Russo A, Spinelli G, Sosio M, Scaloni A, Puglia AM. Elucidating the molecular physiology of lantibiotic NAI-107 production in Microbispora ATCC-PTA-5024. BMC Genomics 2016; 17:42. [PMID: 26754974 PMCID: PMC4709908 DOI: 10.1186/s12864-016-2369-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2015] [Accepted: 01/06/2016] [Indexed: 11/24/2022] Open
Abstract
Background The filamentous actinomycete Microbispora ATCC-PTA-5024 produces the lantibiotic NAI-107, which is an antibiotic peptide effective against multidrug-resistant Gram-positive bacteria. In actinomycetes, antibiotic production is often associated with a physiological differentiation program controlled by a complex regulatory and metabolic network that may be elucidated by the integration of genomic, proteomic and bioinformatic tools. Accordingly, an extensive evaluation of the proteomic changes associated with NAI-107 production was performed on Microbispora ATCC-PTA-5024 by combining two-dimensional difference in gel electrophoresis, mass spectrometry and gene ontology approaches. Results Microbispora ATCC-PTA-5024 cultivations in a complex medium were characterized by stages of biomass accumulation (A) followed by biomass yield decline (D). NAI-107 production started at 90 h (A stage), reached a maximum at 140 h (D stage) and decreased thereafter. To reveal patterns of differentially represented proteins associated with NAI-107 production onset and maintenance, differential proteomic analyses were carried-out on biomass samples collected: i) before (66 h) and during (90 h) NAI-107 production at A stage; ii) during three time-points (117, 140, and 162 h) at D stage characterized by different profiles of NAI-107 yield accumulation (117 and 140 h) and decrement (162 h). Regulatory, metabolic and unknown-function proteins, were identified and functionally clustered, revealing that nutritional signals, regulatory cascades and primary metabolism shift-down trigger the accumulation of protein components involved in nitrogen and phosphate metabolism, cell wall biosynthesis/maturation, lipid metabolism, osmotic stress response, multi-drug resistance, and NAI-107 transport. The stimulating role on physiological differentiation of a TetR-like regulator, originally identified in this study, was confirmed by the construction of an over-expressing strain. Finally, the possible role of cellular response to membrane stability alterations and of multi-drug resistance ABC transporters as additional self-resistance mechanisms toward the lantibiotic was confirmed by proteomic and confocal microscopy experiments on a Microbispora ATCC-PTA-5024 lantibiotic-null producer strain which was exposed to an externally-added amount of NAI-107 during growth. Conclusion This study provides a net contribution to the elucidation of the regulatory, metabolic and molecular patterns controlling physiological differentiation in Microbispora ATCC-PTA-5024, supporting the relevance of proteomics in revealing protein players of antibiotic biosynthesis in actinomycetes. Electronic supplementary material The online version of this article (doi:10.1186/s12864-016-2369-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Giuseppe Gallo
- Laboratory of Molecular Microbiology and Biotechnology, STEBICEF Department, University of Palermo, 90128, Palermo, Italy.
| | - Giovanni Renzone
- Proteomic and Mass Spectrometry Laboratory, ISPAAM, National Research Council, 80147, Naples, Italy
| | - Emilia Palazzotto
- Laboratory of Molecular Microbiology and Biotechnology, STEBICEF Department, University of Palermo, 90128, Palermo, Italy
| | | | - Simona Arena
- Proteomic and Mass Spectrometry Laboratory, ISPAAM, National Research Council, 80147, Naples, Italy
| | - Teresa Faddetta
- Laboratory of Molecular Microbiology and Biotechnology, STEBICEF Department, University of Palermo, 90128, Palermo, Italy
| | - Anna Giardina
- Laboratory of Molecular Microbiology and Biotechnology, STEBICEF Department, University of Palermo, 90128, Palermo, Italy
| | - Rosa Alduina
- Laboratory of Molecular Microbiology and Biotechnology, STEBICEF Department, University of Palermo, 90128, Palermo, Italy
| | - Tilmann Weber
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, 2970, Hørsholm, Denmark.,German Center for Infection Research (DZIF) partner site Tübingen, 72074, Tübingen, Germany
| | - Fabio Sangiorgi
- Sistema Informativo di Ateneo (SIA), Area Servizi di Rete, University of Palermo, 90128, Palermo, Italy
| | - Alessandro Russo
- Laboratory of Molecular Microbiology and Biotechnology, STEBICEF Department, University of Palermo, 90128, Palermo, Italy
| | - Giovanni Spinelli
- Laboratory of Molecular Microbiology and Biotechnology, STEBICEF Department, University of Palermo, 90128, Palermo, Italy
| | | | - Andrea Scaloni
- Proteomic and Mass Spectrometry Laboratory, ISPAAM, National Research Council, 80147, Naples, Italy
| | - Anna Maria Puglia
- Laboratory of Molecular Microbiology and Biotechnology, STEBICEF Department, University of Palermo, 90128, Palermo, Italy
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Insights into copper effect on Proteus hauseri through proteomic and metabolic analyses. J Biosci Bioeng 2015; 121:178-85. [PMID: 26194304 DOI: 10.1016/j.jbiosc.2015.06.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Revised: 06/04/2015] [Accepted: 06/18/2015] [Indexed: 11/23/2022]
Abstract
This is the first-attempt to use liquid chromatography coupled with tandem mass (LC-MS-MS) in deciphering the effects of copper ion on Proteus hauseri. Total 941 proteins in copper-addition (+Cu) group and 898 proteins in non-copper-addition (-Cu) group were found, which containing 221 and 178 differential proteins in +Cu and -Cu group, respectively. Differential proteins in both groups were defined into 14 groups by their functional classification which transport/membrane function proteins were the major different part between the two groups, which took 19.5% and 7.7%, respectively. The result of BioCyc and KEGG analyses on metabolic pathway indicated that copper could interrupted the pathway of chemotaxis CheY and inhibited the swarming of P. hauseri, which provided a potential in controlling the pathogenicity of this strain.
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