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Deng MR, Li Y, Luo X, Zheng XL, Chen Y, Zhang YL, Zhang W, Zhou H, Zhu H. Discovery of Mycothiogranaticins from Streptomyces vietnamensis GIMV4.0001 and the Regulatory Effect of Mycothiol on the Granaticin Biosynthesis. Front Chem 2021; 9:802279. [PMID: 35004619 PMCID: PMC8733708 DOI: 10.3389/fchem.2021.802279] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 12/06/2021] [Indexed: 11/24/2022] Open
Abstract
Granaticins are benzoisochromanequinone polyketides with remarkable antibacterial and anticancer activities. Three sulfur-containing granaticin congeners, mycothiogranaticins A (1), B (2) and granaticin MA (3) were discovered from a granaticin-producing strain of Streptomyces vietnamensis GIMV4.0001. Two of them were structurally determined with mycothiol or N-acetylcysteine moieties and found to be bio-actively reluctant. Disruption of the mshA gene (SVTN_RS20640) that encodes the D-inositol-3-phosphate glycosyltransferase crucial for mycothiol biosynthesis, fully abolished the production of mycothiogranaticins. The result substantiated that the newly discovered mycothiogranaticins are consequences of the combination of the granaticin and mycothiol biosynthetic pathways. The overall granaticin production of the ΔmshA mutant strain was unexpectedly decreased by at least more than 50%, while similar production level of granaticins to that of the wild type strain was observed in an mycothiol-S transferase gene (SVTN_RS22215) disruptant Δmst. These results indicated that the mycothiol deficiency was responsible for the decreased production of granaticins. Mycothiol may positively regulate the biosynthesis of granaticin possibly by maintaining the cellular redox balance. To the best of our knowledge, this is the first report that mycothiol can not only be a direct building block of polyketides but also play a regulatory role in the polyketide biosynthesis.
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Affiliation(s)
- Ming-Rong Deng
- Key Laboratory of Agricultural Microbiomics and Precision Application — Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Microbial Culture Collection Center (GDMCC), Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Yan Li
- Key Laboratory of Agricultural Microbiomics and Precision Application — Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Microbial Culture Collection Center (GDMCC), Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Xiao Luo
- Key Laboratory of Agricultural Microbiomics and Precision Application — Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Microbial Culture Collection Center (GDMCC), Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | - Xiang-Ling Zheng
- Key Laboratory of Agricultural Microbiomics and Precision Application — Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Microbial Culture Collection Center (GDMCC), Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | | | - Yu-Lian Zhang
- Key Laboratory of Agricultural Microbiomics and Precision Application — Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Microbial Culture Collection Center (GDMCC), Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
| | | | - Hao Zhou
- Key Laboratory of Functional Molecules Analysis and Biotransformation of Universities in Yunnan Province, School of Chemical Science and Technology, Yunnan University, Kunming, China
| | - Honghui Zhu
- Key Laboratory of Agricultural Microbiomics and Precision Application — Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Microbial Culture Collection Center (GDMCC), Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, China
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Beck C, Gren T, Ortiz-López FJ, Jørgensen TS, Carretero-Molina D, Martín Serrano J, Tormo JR, Oves-Costales D, Kontou EE, Mohite OS, Mingyar E, Stegmann E, Genilloud O, Weber T. Activation and Identification of a Griseusin Cluster in Streptomyces sp. CA-256286 by Employing Transcriptional Regulators and Multi-Omics Methods. Molecules 2021; 26:6580. [PMID: 34770989 PMCID: PMC8588249 DOI: 10.3390/molecules26216580] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 10/25/2021] [Accepted: 10/26/2021] [Indexed: 11/17/2022] Open
Abstract
Streptomyces are well-known producers of a range of different secondary metabolites, including antibiotics and other bioactive compounds. Recently, it has been demonstrated that "silent" biosynthetic gene clusters (BGCs) can be activated by heterologously expressing transcriptional regulators from other BGCs. Here, we have activated a silent BGC in Streptomyces sp. CA-256286 by overexpression of a set of SARP family transcriptional regulators. The structure of the produced compound was elucidated by NMR and found to be an N-acetyl cysteine adduct of the pyranonaphtoquinone polyketide 3'-O-α-d-forosaminyl-(+)-griseusin A. Employing a combination of multi-omics and metabolic engineering techniques, we identified the responsible BGC. These methods include genome mining, proteomics and transcriptomics analyses, in combination with CRISPR induced gene inactivations and expression of the BGC in a heterologous host strain. This work demonstrates an easy-to-implement workflow of how silent BGCs can be activated, followed by the identification and characterization of the produced compound, the responsible BGC, and hints of its biosynthetic pathway.
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Affiliation(s)
- Charlotte Beck
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kemitorvet, Building 220, 2800 Kongens Lyngby, Denmark; (C.B.); (T.G.); (T.S.J.); (E.E.K.); (O.S.M.)
| | - Tetiana Gren
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kemitorvet, Building 220, 2800 Kongens Lyngby, Denmark; (C.B.); (T.G.); (T.S.J.); (E.E.K.); (O.S.M.)
| | - Francisco Javier Ortiz-López
- Fundación MEDINA, Centro de Excelencia en Investigación de Medicamentos Innovadores en Andalucía, Parque Tecnológico de Ciencias de la Salud, Av. Conocimiento, 34, 18016 Granada, Spain; (F.J.O.-L.); (D.C.-M.); (J.M.S.); (J.R.T.); (D.O.-C.)
| | - Tue Sparholt Jørgensen
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kemitorvet, Building 220, 2800 Kongens Lyngby, Denmark; (C.B.); (T.G.); (T.S.J.); (E.E.K.); (O.S.M.)
| | - Daniel Carretero-Molina
- Fundación MEDINA, Centro de Excelencia en Investigación de Medicamentos Innovadores en Andalucía, Parque Tecnológico de Ciencias de la Salud, Av. Conocimiento, 34, 18016 Granada, Spain; (F.J.O.-L.); (D.C.-M.); (J.M.S.); (J.R.T.); (D.O.-C.)
| | - Jesús Martín Serrano
- Fundación MEDINA, Centro de Excelencia en Investigación de Medicamentos Innovadores en Andalucía, Parque Tecnológico de Ciencias de la Salud, Av. Conocimiento, 34, 18016 Granada, Spain; (F.J.O.-L.); (D.C.-M.); (J.M.S.); (J.R.T.); (D.O.-C.)
| | - José R. Tormo
- Fundación MEDINA, Centro de Excelencia en Investigación de Medicamentos Innovadores en Andalucía, Parque Tecnológico de Ciencias de la Salud, Av. Conocimiento, 34, 18016 Granada, Spain; (F.J.O.-L.); (D.C.-M.); (J.M.S.); (J.R.T.); (D.O.-C.)
| | - Daniel Oves-Costales
- Fundación MEDINA, Centro de Excelencia en Investigación de Medicamentos Innovadores en Andalucía, Parque Tecnológico de Ciencias de la Salud, Av. Conocimiento, 34, 18016 Granada, Spain; (F.J.O.-L.); (D.C.-M.); (J.M.S.); (J.R.T.); (D.O.-C.)
| | - Eftychia E. Kontou
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kemitorvet, Building 220, 2800 Kongens Lyngby, Denmark; (C.B.); (T.G.); (T.S.J.); (E.E.K.); (O.S.M.)
| | - Omkar S. Mohite
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kemitorvet, Building 220, 2800 Kongens Lyngby, Denmark; (C.B.); (T.G.); (T.S.J.); (E.E.K.); (O.S.M.)
| | - Erik Mingyar
- Department of Microbial Bioactive Compounds, Interfaculty Institute of Microbiology and Infection Medicine, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 28, 72076 Tübingen, Germany; (E.M.); (E.S.)
- German Center for Infection Research (DZIF), Partner Site Tübingen, 72076 Tübingen, Germany
| | - Evi Stegmann
- Department of Microbial Bioactive Compounds, Interfaculty Institute of Microbiology and Infection Medicine, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 28, 72076 Tübingen, Germany; (E.M.); (E.S.)
- German Center for Infection Research (DZIF), Partner Site Tübingen, 72076 Tübingen, Germany
| | - Olga Genilloud
- Fundación MEDINA, Centro de Excelencia en Investigación de Medicamentos Innovadores en Andalucía, Parque Tecnológico de Ciencias de la Salud, Av. Conocimiento, 34, 18016 Granada, Spain; (F.J.O.-L.); (D.C.-M.); (J.M.S.); (J.R.T.); (D.O.-C.)
| | - Tilmann Weber
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kemitorvet, Building 220, 2800 Kongens Lyngby, Denmark; (C.B.); (T.G.); (T.S.J.); (E.E.K.); (O.S.M.)
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Cai X, Taguchi T, Wang H, Yuki M, Tanaka M, Gong K, Xu J, Zhao Y, Ichinose K, Li A. Identification of a C-Glycosyltransferase Involved in Medermycin Biosynthesis. ACS Chem Biol 2021; 16:1059-1069. [PMID: 34080843 DOI: 10.1021/acschembio.1c00227] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
C-Glycosylation in the biosynthesis of bioactive natural products is quite unique, which has not been studied well. Medermycin, as an antitumor agent in the family of pyranonaphthoquinone antibiotics, is featured with unique C-glycosylation. Here, a new C-glycosyltransferase (C-GT) Med-8 was identified to be essential for the biosynthesis of medermycin, as the first example of C-GT to recognize a rare deoxyaminosugar (angolosamine). med-8 and six genes (med-14, -15, -16, -17, -18, and -20 located in the medermycin biosynthetic gene cluster) predicted for the biosynthesis of angolosamine were proved to be functional and sufficient for C-glycosylation. A C-glycosylation cassette composed of these seven genes could convert a proposed substrate into a C-glycosylated product. In conclusion, these genes involved in the C-glycosylation of medermycin were functionally identified and biosynthetically engineered, and they provided the possibility of producing new C-glycosylated compounds.
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Affiliation(s)
- Xiaofeng Cai
- Helmholtz International Lab for Anti-Infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China
- The College of Life Sciences, Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, Central China Normal University, Wuhan 430079, China
- School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Takaaki Taguchi
- Research Institute of Pharmaceutical Sciences, Musashino University, Tokyo 202-8585, Japan
| | - Huili Wang
- The College of Life Sciences, Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, Central China Normal University, Wuhan 430079, China
| | - Megumi Yuki
- Research Institute of Pharmaceutical Sciences, Musashino University, Tokyo 202-8585, Japan
| | - Megumi Tanaka
- Research Institute of Pharmaceutical Sciences, Musashino University, Tokyo 202-8585, Japan
| | - Kai Gong
- Helmholtz International Lab for Anti-Infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China
| | - Jinghua Xu
- Helmholtz International Lab for Anti-Infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China
| | - Yiming Zhao
- Helmholtz International Lab for Anti-Infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China
| | - Koji Ichinose
- Research Institute of Pharmaceutical Sciences, Musashino University, Tokyo 202-8585, Japan
| | - Aiying Li
- Helmholtz International Lab for Anti-Infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China
- The College of Life Sciences, Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, Central China Normal University, Wuhan 430079, China
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Yang D, Jang WD, Lee SY. Production of Carminic Acid by Metabolically Engineered Escherichia coli. J Am Chem Soc 2021; 143:5364-5377. [DOI: 10.1021/jacs.0c12406] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Dongsoo Yang
- Metabolic and Biomolecular Engineering National Research Laboratory, Department of Chemical and Biomolecular Engineering (BK21 plus program), Institute for the BioCentury, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- Systems Metabolic Engineering and Systems Healthcare Cross-Generation Collaborative Laboratory, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- BioProcess Engineering Research Center and BioInformatics Research Center, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Woo Dae Jang
- Metabolic and Biomolecular Engineering National Research Laboratory, Department of Chemical and Biomolecular Engineering (BK21 plus program), Institute for the BioCentury, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- Systems Metabolic Engineering and Systems Healthcare Cross-Generation Collaborative Laboratory, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Sang Yup Lee
- Metabolic and Biomolecular Engineering National Research Laboratory, Department of Chemical and Biomolecular Engineering (BK21 plus program), Institute for the BioCentury, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- Systems Metabolic Engineering and Systems Healthcare Cross-Generation Collaborative Laboratory, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- BioProcess Engineering Research Center and BioInformatics Research Center, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
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Matsuo H, Noguchi Y, Také A, Nakanishi J, Shigemura K, Sunazuka T, Takahashi Y, Ōmura S, Nakashima T. Nanaomycin I and J: New nanaomycins generated by mycothiol-mediated compounds from "Streptomyces rosa subsp. notoensis" OS-3966. J Biosci Bioeng 2018; 127:549-553. [PMID: 30503170 DOI: 10.1016/j.jbiosc.2018.10.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 08/13/2018] [Accepted: 10/14/2018] [Indexed: 11/29/2022]
Abstract
Two new nanaomycin analogs, nanaomycin I and J, were isolated from a cultured broth of an actinomycete strain, "Streptomyces rosa subsp. notoensis" OS-3966. In our previous study, we have confirmed the occurrence of nanaomycin I (m/z = 482 [M + H]+) that lacks a pseudo-disaccharide from the mycothiol of nanaomycin H under same culture condition. In this study, to confirm the structure of nanaomycin I, the strain "S. rosa subsp. notoensis" OS-3966 was re-cultured and the target compound with m/z = 482 [M + H]+ was isolated. Furthermore, we discovered another new analog, designated as nanaomycin J in isolating nanaomycin I. The NMR analyses revealed that the structures of nanaomycin I and J are N-acetylcysteine S-conjugates without a pseudo-disaccharide and N-acetylcysteine S-conjugates without a myo-inositol of nanaomycin H, respectively. The relative configurations of the tetrahydropyrane moiety of nanaomycin I and J were determined by rotating-frame overhauser effect spectroscopy (ROESY) analysis. Absolute configurations of the N-acetylcysteine moiety of nanaomycin I and J were determined by advanced Marfey's analyses for acid hydrolysis of de-sulfurized nanaomycin I and J with Raney nickel. Nanaomycin I and J showed moderate cytotoxicity against several human tumor cell lines.
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Affiliation(s)
- Hirotaka Matsuo
- Kitasato Institute for Life Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan; Graduate School of Infection Control Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan
| | - Yoshihiko Noguchi
- Kitasato Institute for Life Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan; Graduate School of Infection Control Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan
| | - Akira Také
- Research Organization for Nano and Life Innovation, Waseda University, 513 Wasedatsurumaki-cho, Shinjuku-ku, Tokyo 162-0041, Japan
| | - Jun Nakanishi
- World Premier International (WPI) Research Center Initiative, International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Katsumi Shigemura
- Department of Urology, Kobe University Graduate School of Medicine, 7-5-2 Kusunokicho, Kobe Chuo-ku, Hyogo 650-0017, Japan
| | - Toshiaki Sunazuka
- Kitasato Institute for Life Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan; Graduate School of Infection Control Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan
| | - Yōko Takahashi
- Kitasato Institute for Life Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan
| | - Satoshi Ōmura
- Kitasato Institute for Life Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan
| | - Takuji Nakashima
- Kitasato Institute for Life Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan; Graduate School of Infection Control Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan.
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Tierrafría VH, Licona-Cassani C, Maldonado-Carmona N, Romero-Rodríguez A, Centeno-Leija S, Marcellin E, Rodríguez-Sanoja R, Ruiz-Villafán B, Nielsen LK, Sánchez S. Deletion of the hypothetical protein SCO2127 of Streptomyces coelicolor allowed identification of a new regulator of actinorhodin production. Appl Microbiol Biotechnol 2016; 100:9229-9237. [PMID: 27604626 DOI: 10.1007/s00253-016-7811-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 08/10/2016] [Accepted: 08/26/2016] [Indexed: 01/19/2023]
Abstract
Although the specific function of SCO2127 remains elusive, it has been assumed that this hypothetical protein plays an important role in carbon catabolite regulation and therefore in antibiotic biosynthesis in Streptomyces coelicolor. To shed light on the functional relationship of SCO2127 to the biosynthesis of actinorhodin, a detailed analysis of the proteins differentially produced between the strain M145 and the Δsco2127 mutant of S. coelicolor was performed. The delayed morphological differentiation and impaired production of actinorhodin showed by the deletion strain were accompanied by increased abundance of gluconeogenic enzymes, as well as downregulation of both glycolysis and acetyl-CoA carboxylase. Repression of mycothiol biosynthetic enzymes was further observed in the absence of SCO2127, in addition to upregulation of hydroxyectoine biosynthetic enzymes and SCO0204, which controls nitrite formation. The data generated in this study reveal that the response regulator SCO0204 greatly contributes to prevent the formation of actinorhodin in the ∆sco2127 mutant, likely through the activation of some proteins associated with oxidative stress that include the nitrite producer SCO0216.
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Affiliation(s)
- Víctor H Tierrafría
- Instituto de Investigaciones Biomédicas. 3er Circuito Exterior s/n, Universidad Nacional Autónoma de México (UNAM), 04510, Ciudad de México, Mexico
| | - Cuauhtemoc Licona-Cassani
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, St Lucia, Brisbane, Australia
| | - Nidia Maldonado-Carmona
- Instituto de Investigaciones Biomédicas. 3er Circuito Exterior s/n, Universidad Nacional Autónoma de México (UNAM), 04510, Ciudad de México, Mexico
| | - Alba Romero-Rodríguez
- Instituto de Investigaciones Biomédicas. 3er Circuito Exterior s/n, Universidad Nacional Autónoma de México (UNAM), 04510, Ciudad de México, Mexico
| | - Sara Centeno-Leija
- Instituto de Investigaciones Biomédicas. 3er Circuito Exterior s/n, Universidad Nacional Autónoma de México (UNAM), 04510, Ciudad de México, Mexico
| | - Esteban Marcellin
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, St Lucia, Brisbane, Australia
| | - Romina Rodríguez-Sanoja
- Instituto de Investigaciones Biomédicas. 3er Circuito Exterior s/n, Universidad Nacional Autónoma de México (UNAM), 04510, Ciudad de México, Mexico
| | - Beatriz Ruiz-Villafán
- Instituto de Investigaciones Biomédicas. 3er Circuito Exterior s/n, Universidad Nacional Autónoma de México (UNAM), 04510, Ciudad de México, Mexico
| | - Lars K Nielsen
- Laboratorio de Bioingeniería, Universidad de Colima, Coquimatlán-, 28400, Colima, Mexico
| | - Sergio Sánchez
- Instituto de Investigaciones Biomédicas. 3er Circuito Exterior s/n, Universidad Nacional Autónoma de México (UNAM), 04510, Ciudad de México, Mexico.
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