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Lee Y, Hwang S, Kim W, Kim JH, Palsson BO, Cho BK. CRISPR-aided genome engineering for secondary metabolite biosynthesis in Streptomyces. J Ind Microbiol Biotechnol 2024; 51:kuae009. [PMID: 38439699 PMCID: PMC10949845 DOI: 10.1093/jimb/kuae009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Accepted: 03/02/2024] [Indexed: 03/06/2024]
Abstract
The demand for discovering novel microbial secondary metabolites is growing to address the limitations in bioactivities such as antibacterial, antifungal, anticancer, anthelmintic, and immunosuppressive functions. Among microbes, the genus Streptomyces holds particular significance for secondary metabolite discovery. Each Streptomyces species typically encodes approximately 30 secondary metabolite biosynthetic gene clusters (smBGCs) within its genome, which are mostly uncharacterized in terms of their products and bioactivities. The development of next-generation sequencing has enabled the identification of a large number of potent smBGCs for novel secondary metabolites that are imbalanced in number compared with discovered secondary metabolites. The clustered regularly interspaced short palindromic repeat (CRISPR)/CRISPR-associated (Cas) system has revolutionized the translation of enormous genomic potential into the discovery of secondary metabolites as the most efficient genetic engineering tool for Streptomyces. In this review, the current status of CRISPR/Cas applications in Streptomyces is summarized, with particular focus on the identification of secondary metabolite biosynthesis gene clusters and their potential applications.This review summarizes the broad range of CRISPR/Cas applications in Streptomyces for natural product discovery and production. ONE-SENTENCE SUMMARY This review summarizes the broad range of CRISPR/Cas applications in Streptomyces for natural product discovery and production.
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Affiliation(s)
- Yongjae Lee
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
| | - Soonkyu Hwang
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
| | - Woori Kim
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
| | - Ji Hun Kim
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
| | - Bernhard O Palsson
- Department of Bioengineering, University of California San Diego, La Jolla, CA 92093, USA
- Department of Pediatrics, University of California San Diego, La Jolla, CA 92093, USA
- Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Lyngby 2800, Denmark
| | - Byung-Kwan Cho
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
- KAIST Institute for the BioCentury, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
- Graduate school of Engineering Biology, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
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2
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Li X, Zhong J, Li H, Qiao Y, Mao X, Fan H, Zhong Y, Imani S, Zheng S, Li J. Advances in the application of CRISPR-Cas technology in rapid detection of pathogen nucleic acid. Front Mol Biosci 2023; 10:1260883. [PMID: 37808520 PMCID: PMC10552857 DOI: 10.3389/fmolb.2023.1260883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Accepted: 09/06/2023] [Indexed: 10/10/2023] Open
Abstract
Clustered regularly interspaced short palindromic repeats (CRISPR) and CRISPR-associated proteins (Cas) are widely used as gene editing tools in biology, microbiology, and other fields. CRISPR is composed of highly conserved repetitive sequences and spacer sequences in tandem. The spacer sequence has homology with foreign nucleic acids such as viruses and plasmids; Cas effector proteins have endonucleases, and become a hotspot in the field of molecular diagnosis because they recognize and cut specific DNA or RNA sequences. Researchers have developed many diagnostic platforms with high sensitivity, high specificity, and low cost by using Cas proteins (Cas9, Cas12, Cas13, Cas14, etc.) in combination with signal amplification and transformation technologies (fluorescence method, lateral flow technology, etc.), providing a new way for rapid detection of pathogen nucleic acid. This paper introduces the biological mechanism and classification of CRISPR-Cas technology, summarizes the existing rapid detection technology for pathogen nucleic acid based on the trans cleavage activity of Cas, describes its characteristics, functions, and application scenarios, and prospects the future application of this technology.
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Affiliation(s)
- Xiaoping Li
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long Taipa, Macau, China
| | - Jiaye Zhong
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
| | - Haoyu Li
- NHC Key Laboratory of Combined Multi-Organ Transplantation, Hangzhou, China
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan, China
| | - Yinbiao Qiao
- Department of Hepatobiliary and Pancreatic Surgery, Department of Liver Transplantation, Shulan (Hangzhou) Hospital, Zhejiang Shuren University School of Medicine, Hangzhou, China
- NHC Key Laboratory of Combined Multi-Organ Transplantation, Hangzhou, China
| | - Xiaolei Mao
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
| | - Huayan Fan
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
| | - Yiwu Zhong
- Zhejiang Chinese Medical University, Hangzhou, China
| | - Saber Imani
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
| | - Shusen Zheng
- Department of Hepatobiliary and Pancreatic Surgery, Department of Liver Transplantation, Shulan (Hangzhou) Hospital, Zhejiang Shuren University School of Medicine, Hangzhou, China
- NHC Key Laboratory of Combined Multi-Organ Transplantation, Hangzhou, China
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan, China
| | - Jianhui Li
- Department of Hepatobiliary and Pancreatic Surgery, Department of Liver Transplantation, Shulan (Hangzhou) Hospital, Zhejiang Shuren University School of Medicine, Hangzhou, China
- NHC Key Laboratory of Combined Multi-Organ Transplantation, Hangzhou, China
- The Organ Repair and Regeneration Medicine Institute of Hangzhou, Hangzhou, China
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan, China
- Zhejiang Chinese Medical University, Hangzhou, China
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Shademan B, Masjedi S, Karamad V, Isazadeh A, Sogutlu F, Rad MHS, Nourazarian A. CRISPR Technology in Cancer Diagnosis and Treatment: Opportunities and Challenges. Biochem Genet 2022; 60:1446-1470. [PMID: 35092559 DOI: 10.1007/s10528-022-10193-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 12/06/2021] [Indexed: 12/12/2022]
Abstract
A novel gene editing tool, the Cas system, associated with the CRISPR system, is emerging as a potential method for genome modification. This simple method, based on the adaptive immune defense system of prokaryotes, has been developed and used in human cancer research. These technologies have tremendous therapeutic potential, especially in gene therapy, where a patient-specific mutation is genetically corrected to cure diseases that cannot be cured with conventional treatments. However, translating CRISPR/Cas9 into the clinic will be challenging, as we still need to improve the efficiency, specificity, and application of the technology. In this review, we will explain how CRISPR-Cas9 technology can treat cancer at the molecular level, focusing on ordination and the epigenome. We will also focus on the promise and shortcomings of this system to ensure its application in the treatment and prevention of cancer.
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Affiliation(s)
- Behrouz Shademan
- Department of Medical Biology, Faculty of Medicine, EGE University, Izmir, Turkey
| | - Sepideh Masjedi
- Department of Cellular and Molecular Biology Sciences, Tonekabon Branch, Islamic Azad University, Tonekabon, Iran
| | - Vahidreza Karamad
- Department of Medical Biology, Faculty of Medicine, EGE University, Izmir, Turkey
| | - Alireza Isazadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fatma Sogutlu
- Department of Medical Biology, Faculty of Medicine, EGE University, Izmir, Turkey
| | | | - Alireza Nourazarian
- Department of Basic Medical Sciences, Khoy University of Medical Sciences, Khoy, Iran.
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Godden AM, Antonaci M, Ward NJ, van der Lee M, Abu-Daya A, Guille M, Wheeler GN. An efficient miRNA knockout approach using CRISPR-Cas9 in Xenopus. Dev Biol 2022; 483:66-75. [PMID: 34968443 PMCID: PMC8865746 DOI: 10.1016/j.ydbio.2021.12.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 12/15/2021] [Accepted: 12/23/2021] [Indexed: 12/14/2022]
Abstract
In recent years CRISPR-Cas9 knockouts (KO) have become increasingly ultilised to study gene function. MicroRNAs (miRNAs) are short non-coding RNAs, 20-22 nucleotides long, which affect gene expression through post-transcriptional repression. We previously identified miRNAs-196a and -219 as implicated in the development of Xenopus neural crest (NC). The NC is a multipotent stem-cell population, specified during early neurulation. Following EMT, NC cells migrate to various points in the developing embryo where they give rise to a number of tissues including parts of the peripheral nervous system, pigment cells and craniofacial skeleton. Dysregulation of NC development results in many diseases grouped under the term neurocristopathies. As miRNAs are so small, it is difficult to design CRISPR sgRNAs that reproducibly lead to a KO. We have therefore designed a novel approach using two guide RNAs to effectively 'drop out' a miRNA. We have knocked out miR-196a and miR-219 and compared the results to morpholino knockdowns (KD) of the same miRNAs. Validation of efficient CRISPR miRNA KO and phenotype analysis included use of whole-mount in situ hybridization of key NC and neural plate border markers such as Pax3, Xhe2, Sox10 and Snail2, q-RT-PCR and Sanger sequencing. To show specificity we have also rescued the knockout phenotype using miRNA mimics. MiRNA-219 and miR-196a KO's both show loss of NC, altered neural plate and hatching gland phenotypes. Tadpoles show gross craniofacial and pigment phenotypes.
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Affiliation(s)
- Alice M Godden
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, United Kingdom
| | - Marco Antonaci
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, United Kingdom
| | - Nicole J Ward
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, United Kingdom
| | - Michael van der Lee
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, United Kingdom
| | - Anita Abu-Daya
- King Henry Building, King Henry I St, Portsmouth, PO1 2DY, United Kingdom
| | - Matthew Guille
- King Henry Building, King Henry I St, Portsmouth, PO1 2DY, United Kingdom
| | - Grant N Wheeler
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, United Kingdom.
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Massicard JM, Su L, Jacob C, Weissman KJ. Engineering Modular Polyketide Biosynthesis in Streptomyces Using CRISPR/Cas: A Practical Guide. Methods Mol Biol 2022; 2489:173-200. [PMID: 35524051 DOI: 10.1007/978-1-0716-2273-5_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The CRISPR/Cas system, which has been widely applied to organisms ranging from microbes to animals, is currently being adapted for use in Streptomyces bacteria. In this case, it is notably applied to rationally modify the biosynthetic pathways giving rise to the polyketide natural products, which are heavily exploited in the medical and agricultural arenas. Our aim here is to provide the potential user with a practical guide to exploit this approach for manipulating polyketide biosynthesis, by treating key experimental aspects including vector choice, design of the basic engineering components, and trouble-shooting.
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Affiliation(s)
- Jean-Malo Massicard
- Molecular and Structural Enzymology Group, UMR 7365 CNRS-UL IMoPA, Lorraine University, Faculté de médecine, Batiment Biopôle, Vandœuvre-lès-Nancy Cedex, France
| | - Li Su
- Molecular and Structural Enzymology Group, UMR 7365 CNRS-UL IMoPA, Lorraine University, Faculté de médecine, Batiment Biopôle, Vandœuvre-lès-Nancy Cedex, France
| | - Christophe Jacob
- Molecular and Structural Enzymology Group, UMR 7365 CNRS-UL IMoPA, Lorraine University, Faculté de médecine, Batiment Biopôle, Vandœuvre-lès-Nancy Cedex, France.
| | - Kira J Weissman
- Molecular and Structural Enzymology Group, UMR 7365 CNRS-UL IMoPA, Lorraine University, Faculté de médecine, Batiment Biopôle, Vandœuvre-lès-Nancy Cedex, France.
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Mitousis L, Thoma Y, Musiol-Kroll EM. An Update on Molecular Tools for Genetic Engineering of Actinomycetes-The Source of Important Antibiotics and Other Valuable Compounds. Antibiotics (Basel) 2020; 9:E494. [PMID: 32784409 PMCID: PMC7460540 DOI: 10.3390/antibiotics9080494] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 08/06/2020] [Accepted: 08/07/2020] [Indexed: 02/06/2023] Open
Abstract
The first antibiotic-producing actinomycete (Streptomyces antibioticus) was described by Waksman and Woodruff in 1940. This discovery initiated the "actinomycetes era", in which several species were identified and demonstrated to be a great source of bioactive compounds. However, the remarkable group of microorganisms and their potential for the production of bioactive agents were only partially exploited. This is caused by the fact that the growth of many actinomycetes cannot be reproduced on artificial media at laboratory conditions. In addition, sequencing, genome mining and bioactivity screening disclosed that numerous biosynthetic gene clusters (BGCs), encoded in actinomycetes genomes are not expressed and thus, the respective potential products remain uncharacterized. Therefore, a lot of effort was put into the development of technologies that facilitate the access to actinomycetes genomes and activation of their biosynthetic pathways. In this review, we mainly focus on molecular tools and methods for genetic engineering of actinomycetes that have emerged in the field in the past five years (2015-2020). In addition, we highlight examples of successful application of the recently developed technologies in genetic engineering of actinomycetes for activation and/or improvement of the biosynthesis of secondary metabolites.
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Affiliation(s)
| | | | - Ewa M. Musiol-Kroll
- Interfaculty Institute for Microbiology and Infection Medicine Tübingen (IMIT), Microbiology/Biotechnology, University of Tübingen, Auf der Morgenstelle 28, 72076 Tübingen, Germany; (L.M.); (Y.T.)
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Liu Z, Liao Z, Chen Y, Zhou L, Huangting W, Xiao H. Research on CRISPR/system in major cancers and its potential in cancer treatments. Clin Transl Oncol 2020; 23:425-433. [PMID: 32671729 DOI: 10.1007/s12094-020-02450-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 07/02/2020] [Indexed: 12/24/2022]
Abstract
Cancer is a serious public health problem in the world and the prevention and control of cancer has become one of the health strategies of governments around the world. According to the data of the International Agency for Research on Cancer (IARC), about 8 million people die of cancer every year in the world. With the continuous progress of medical technology, there are many methods to treat cancer at present. However, many treatment methods have achieved different therapeutic effects, some of them have obvious toxic and side effects. Therefore, it is necessary to study simpler and more effective new therapies for alleviating pain and prolonging lifetime of patients. In this view, we focus on the application progress of CRISPR system in some major cancers and its potential in cancer treatments.
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Affiliation(s)
- Z Liu
- Department of Clinical Pharmacy, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, No. 55, Section 4, South Renmin Road, Chengdu, 610041, Sichuan, China.,Personalized Drug Therapy Key Laboratory of Sichuan Province, Chengdu, China
| | - Z Liao
- Department of Gynecology and Obstetrics, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, China
| | - Y Chen
- Department of Clinical Pharmacy, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, No. 55, Section 4, South Renmin Road, Chengdu, 610041, Sichuan, China
| | - L Zhou
- Department of Clinical Pharmacy, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, No. 55, Section 4, South Renmin Road, Chengdu, 610041, Sichuan, China.,Personalized Drug Therapy Key Laboratory of Sichuan Province, Chengdu, China
| | - W Huangting
- Department of Clinical Pharmacy, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, No. 55, Section 4, South Renmin Road, Chengdu, 610041, Sichuan, China.,Personalized Drug Therapy Key Laboratory of Sichuan Province, Chengdu, China
| | - H Xiao
- Department of Clinical Pharmacy, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, No. 55, Section 4, South Renmin Road, Chengdu, 610041, Sichuan, China. .,Personalized Drug Therapy Key Laboratory of Sichuan Province, Chengdu, China.
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Zhao Y, Li G, Chen Y, Lu Y. Challenges and Advances in Genome Editing Technologies in Streptomyces. Biomolecules 2020; 10:E734. [PMID: 32397082 DOI: 10.3390/biom10050734] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 04/21/2020] [Accepted: 05/04/2020] [Indexed: 12/12/2022] Open
Abstract
The genome of Streptomyces encodes a high number of natural product (NP) biosynthetic gene clusters (BGCs). Most of these BGCs are not expressed or are poorly expressed (commonly called silent BGCs) under traditional laboratory experimental conditions. These NP BGCs represent an unexplored rich reservoir of natural compounds, which can be used to discover novel chemical compounds. To activate silent BGCs for NP discovery, two main strategies, including the induction of BGCs expression in native hosts and heterologous expression of BGCs in surrogate Streptomyces hosts, have been adopted, which normally requires genetic manipulation. So far, various genome editing technologies have been developed, which has markedly facilitated the activation of BGCs and NP overproduction in their native hosts, as well as in heterologous Streptomyces hosts. In this review, we summarize the challenges and recent advances in genome editing tools for Streptomyces genetic manipulation with a focus on editing tools based on clustered regularly interspaced short palindrome repeat (CRISPR)/CRISPR-associated protein (Cas) systems. Additionally, we discuss the future research focus, especially the development of endogenous CRISPR/Cas-based genome editing technologies in Streptomyces.
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Gehrke EJ, Zhang X, Pimentel-Elardo SM, Johnson AR, Rees CA, Jones SE, Hindra, Gehrke SS, Turvey S, Boursalie S, Hill JE, Carlson EE, Nodwell JR, Elliot MA. Silencing cryptic specialized metabolism in Streptomyces by the nucleoid-associated protein Lsr2. eLife 2019; 8:47691. [PMID: 31215866 PMCID: PMC6584129 DOI: 10.7554/elife.47691] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Accepted: 06/04/2019] [Indexed: 12/17/2022] Open
Abstract
Lsr2 is a nucleoid-associated protein conserved throughout the actinobacteria, including the antibiotic-producing Streptomyces. Streptomyces species encode paralogous Lsr2 proteins (Lsr2 and Lsr2-like, or LsrL), and we show here that of the two, Lsr2 has greater functional significance. We found that Lsr2 binds AT-rich sequences throughout the chromosome, and broadly represses gene expression. Strikingly, specialized metabolic clusters were over-represented amongst its targets, and the cryptic nature of many of these clusters appears to stem from Lsr2-mediated repression. Manipulating Lsr2 activity in model species and uncharacterized isolates resulted in the production of new metabolites not seen in wild type strains. Our results suggest that the transcriptional silencing of biosynthetic clusters by Lsr2 may protect Streptomyces from the inappropriate expression of specialized metabolites, and provide global control over Streptomyces’ arsenal of signaling and antagonistic compounds.
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Affiliation(s)
- Emma J Gehrke
- Department of Biology, McMaster University, Hamilton, Canada.,Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Canada
| | - Xiafei Zhang
- Department of Biology, McMaster University, Hamilton, Canada.,Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Canada
| | | | - Andrew R Johnson
- Department of Chemistry, Indiana University, Bloomington, United States
| | - Christiaan A Rees
- Geisel School of Medicine and Thayer School of Engineering, Dartmouth College, Hanover, United States
| | - Stephanie E Jones
- Department of Biology, McMaster University, Hamilton, Canada.,Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Canada
| | - Hindra
- Department of Biology, McMaster University, Hamilton, Canada
| | - Sebastian S Gehrke
- Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Canada.,Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Canada
| | - Sonya Turvey
- Department of Biology, McMaster University, Hamilton, Canada.,Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Canada
| | - Suzanne Boursalie
- Department of Biology, McMaster University, Hamilton, Canada.,Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Canada
| | - Jane E Hill
- Geisel School of Medicine and Thayer School of Engineering, Dartmouth College, Hanover, United States
| | - Erin E Carlson
- Department of Chemistry, Indiana University, Bloomington, United States.,Department of Chemistry, University of Minnesota, Minneapolis, United States
| | - Justin R Nodwell
- Department of Biochemistry, University of Toronto, Toronto, Canada
| | - Marie A Elliot
- Department of Biology, McMaster University, Hamilton, Canada.,Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Canada
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