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Razavi Z, Soltani M, Souri M, Pazoki-Toroudi H. CRISPR-Driven Biosensors: A New Frontier in Rapid and Accurate Disease Detection. Crit Rev Anal Chem 2024:1-25. [PMID: 39288095 DOI: 10.1080/10408347.2024.2400267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2024]
Abstract
This comprehensive review delves into the advancements and challenges in biosensing, with a strong emphasis on the transformative potential of CRISPR technology for early and rapid detection of infectious diseases. It underscores the versatility of CRISPR/Cas systems, highlighting their ability to detect both nucleic acids and non-nucleic acid targets, and their seamless integration with isothermal amplification techniques. The review provides a thorough examination of the latest developments in CRISPR-based biosensors, detailing the unique properties of CRISPR systems, such as their high specificity and programmability, which make them particularly effective for detecting disease-associated nucleic acids. While the review focuses on nucleic acid detection due to its critical role in diagnosing infectious diseases, it also explores the broader applications of CRISPR technology in detecting non-nucleic acid targets, thereby acknowledging the technology's broader potential. Additionally, the review identifies existing challenges, such as the need for improved signal amplification and real-world applicability, and offers future perspectives aimed at overcoming these hurdles. The ultimate goal is to advance the development of highly sensitive and specific CRISPR-based biosensors that can be used widely for improving human health, particularly in point-of-care settings and resource-limited environments.
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Affiliation(s)
- ZahraSadat Razavi
- Physiology Research Center, Iran University Medical Sciences, Tehran, Iran
- Biochemistry Research Center, Iran University Medical Sciences, Tehran, Iran
| | - Madjid Soltani
- Department of Mechanical Engineering, K. N. Toosi University of Technology, Tehran, Iran
- Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, Canada
- Centre for Biotechnology and Bioengineering (CBB), University of Waterloo, Waterloo, Canada
- Department of Integrative Oncology, BC Cancer Research Institute, Vancouver, Canada
- Centre for Sustainable Business, International Business University, Toronto, Canada
| | - Mohammad Souri
- Department of Mechanical Engineering, K. N. Toosi University of Technology, Tehran, Iran
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Guo J, Li Z, Zhang Y, Tian X, Shao L, Wang W. Comparative Study of the Antibacterial Effects of S-Nitroso-N-acetylcysteine and Sodium Nitrite against Escherichia coli and Their Application in Beef Sausages. Foods 2024; 13:2383. [PMID: 39123574 PMCID: PMC11311293 DOI: 10.3390/foods13152383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2024] [Revised: 07/25/2024] [Accepted: 07/25/2024] [Indexed: 08/12/2024] Open
Abstract
This study investigated the antibacterial effects of S-nitroso-N-acetylcysteine (SNAC) and sodium nitrite (NaNO2) against Escherichia coli and their application in beef sausages. Both SNAC and NaNO2 demonstrated pH-responsive antibacterial activity, with SNAC showing greater efficacy than NaNO2 (p < 0.05) at the same pH (3, 5, and 7). The reactive oxygen species (ROS) and reactive nitrogen species (RNS) induced in E. coli by SNAC were significantly higher than those induced by NaNO2 (p < 0.05), and both ROS and RNS values increased as the pH decreased. In addition, a lower pH led to more pores on the E. coli cell surface and increased membrane permeability, resulting in a more pronounced inhibitory effect. When applied to a beef sausage, SNAC-treated sausages had significantly lower total colony counts and carbonyl content compared to NaNO2-treated ones (p < 0.05). Consequently, SNAC shows great potential as a replacement for NaNO2 in meat products.
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Affiliation(s)
- Jingjing Guo
- Tianjin Key Laboratory of Food Quality and Health, Tianjin University of Science & Technology, Tianjin 300457, China
- College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Zhiyi Li
- Tianjin Key Laboratory of Food Quality and Health, Tianjin University of Science & Technology, Tianjin 300457, China
- College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Yujun Zhang
- Tianjin Key Laboratory of Food Quality and Health, Tianjin University of Science & Technology, Tianjin 300457, China
- College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Xiaojing Tian
- Tianjin Key Laboratory of Food Quality and Health, Tianjin University of Science & Technology, Tianjin 300457, China
- College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Lele Shao
- College of Tea and Food Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Wenhang Wang
- Tianjin Key Laboratory of Food Quality and Health, Tianjin University of Science & Technology, Tianjin 300457, China
- College of Food Science and Engineering, Tianjin University of Science & Technology, Tianjin 300457, China
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3
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Zhang Y, Lyu Y, Wang D, Feng M, Shen S, Zhu L, Pan C, Zai X, Wang S, Guo Y, Yu S, Gong X, Chen Q, Wang H, Wang Y, Liu X. Rapid Identification of Brucella Genus and Species In Silico and On-Site Using Novel Probes with CRISPR/Cas12a. Microorganisms 2024; 12:1018. [PMID: 38792847 PMCID: PMC11124060 DOI: 10.3390/microorganisms12051018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 04/23/2024] [Accepted: 05/15/2024] [Indexed: 05/26/2024] Open
Abstract
Human brucellosis caused by Brucella is a widespread zoonosis that is prevalent in many countries globally. The high homology between members of the Brucella genus and Ochrobactrum spp. often complicates the determination of disease etiology in patients. The efficient and reliable identification and distinction of Brucella are of primary interest for both medical surveillance and outbreak purposes. A large amount of genomic data for the Brucella genus was analyzed to uncover novel probes containing single-nucleotide polymorphisms (SNPs). GAMOSCE v1.0 software was developed based on the above novel eProbes. In conjunction with clinical requirements, an RPA-Cas12a detection method was developed for the on-site determination of B. abortus and B. melitensis by fluorescence and lateral flow dipsticks (LFDs). We demonstrated the potential of these probes for rapid and accurate detection of the Brucella genus and five significant Brucella species in silico using GAMOSCE. GAMOSCE was validated on different Brucella datasets and correctly identified all Brucella strains, demonstrating a strong discrimination ability. The RPA-Cas12a detection method showed good performance in detection in clinical blood samples and veterinary isolates. We provide both in silico and on-site methods that are convenient and reliable for use in local hospitals and public health programs for the detection of brucellosis.
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Affiliation(s)
- Yan Zhang
- College of Food Science and Technology, Shanghai Ocean University, 999 Hucheng Huan Road, Lingang New City, Shanghai 201306, China
- State Key Laboratory of Pathogens and Biosecurity, Beijing Institute of Biotechnology, 20 Dongdajie Street, Fengtai District, Beijing 100071, China
| | - Yufei Lyu
- State Key Laboratory of Pathogens and Biosecurity, Beijing Institute of Biotechnology, 20 Dongdajie Street, Fengtai District, Beijing 100071, China
- Laboratory of Advanced Biotechnology, 20 Dongdajie Street, Fengtai District, Beijing 100071, China
| | - Dongshu Wang
- State Key Laboratory of Pathogens and Biosecurity, Beijing Institute of Biotechnology, 20 Dongdajie Street, Fengtai District, Beijing 100071, China
| | - Meijie Feng
- College of Food Science and Technology, Shanghai Ocean University, 999 Hucheng Huan Road, Lingang New City, Shanghai 201306, China
- State Key Laboratory of Pathogens and Biosecurity, Beijing Institute of Biotechnology, 20 Dongdajie Street, Fengtai District, Beijing 100071, China
| | - Sicheng Shen
- State Key Laboratory of Pathogens and Biosecurity, Beijing Institute of Biotechnology, 20 Dongdajie Street, Fengtai District, Beijing 100071, China
| | - Li Zhu
- State Key Laboratory of Pathogens and Biosecurity, Beijing Institute of Biotechnology, 20 Dongdajie Street, Fengtai District, Beijing 100071, China
| | - Chao Pan
- State Key Laboratory of Pathogens and Biosecurity, Beijing Institute of Biotechnology, 20 Dongdajie Street, Fengtai District, Beijing 100071, China
| | - Xiaodong Zai
- State Key Laboratory of Pathogens and Biosecurity, Beijing Institute of Biotechnology, 20 Dongdajie Street, Fengtai District, Beijing 100071, China
| | - Shuyi Wang
- State Key Laboratory of Pathogens and Biosecurity, Beijing Institute of Biotechnology, 20 Dongdajie Street, Fengtai District, Beijing 100071, China
| | - Yan Guo
- State Key Laboratory of Pathogens and Biosecurity, Beijing Institute of Biotechnology, 20 Dongdajie Street, Fengtai District, Beijing 100071, China
| | - Shujuan Yu
- State Key Laboratory of Pathogens and Biosecurity, Beijing Institute of Biotechnology, 20 Dongdajie Street, Fengtai District, Beijing 100071, China
| | - Xiaowei Gong
- State Key Laboratory for Animal Disease Control and Prevention, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Chengguan District, Lanzhou 730046, China
| | - Qiwei Chen
- State Key Laboratory for Animal Disease Control and Prevention, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Chengguan District, Lanzhou 730046, China
| | - Hengliang Wang
- College of Food Science and Technology, Shanghai Ocean University, 999 Hucheng Huan Road, Lingang New City, Shanghai 201306, China
- State Key Laboratory of Pathogens and Biosecurity, Beijing Institute of Biotechnology, 20 Dongdajie Street, Fengtai District, Beijing 100071, China
- Laboratory of Advanced Biotechnology, 20 Dongdajie Street, Fengtai District, Beijing 100071, China
| | - Yuanzhi Wang
- School of Medicine, Shihezi University, Xinjiang Uygur Autonomous Region, Shihezi 832002, China
| | - Xiankai Liu
- State Key Laboratory of Pathogens and Biosecurity, Beijing Institute of Biotechnology, 20 Dongdajie Street, Fengtai District, Beijing 100071, China
- Laboratory of Advanced Biotechnology, 20 Dongdajie Street, Fengtai District, Beijing 100071, China
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4
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Preetam S, Duhita Mondal D, Mukerjee N, Naser SS, Tabish TA, Thorat N. Revolutionizing Cancer Treatment: The Promising Horizon of Zein Nanosystems. ACS Biomater Sci Eng 2024; 10:1946-1965. [PMID: 38427627 PMCID: PMC11005017 DOI: 10.1021/acsbiomaterials.3c01540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 02/09/2024] [Accepted: 02/12/2024] [Indexed: 03/03/2024]
Abstract
Various nanomaterials have recently become fascinating tools in cancer diagnostic applications because of their multifunctional and inherent molecular characteristics that support efficient diagnosis and image-guided therapy. Zein nanoparticles are a protein derived from maize. It belongs to the class of prolamins possessing a spherical structure with conformational properties similar to those of conventional globular proteins like ribonuclease and insulin. Zein nanoparticles have gained massive interest over the past couple of years owing to their natural hydrophilicity, ease of functionalization, biodegradability, and biocompatibility, thereby improving oral bioavailability, nanoparticle targeting, and prolonged drug administration. Thus, zein nanoparticles are becoming a promising candidate for precision cancer drug delivery. This review highlights the clinical significance of applying zein nanosystems for cancer theragnostic─moreover, the role of zein nanosystems for cancer drug delivery, anticancer agents, and gene therapy. Finally, the difficulties and potential uses of these NPs in cancer treatment and detection are discussed. This review will pave the way for researchers to develop theranostic strategies for precision medicine utilizing zein nanosystems.
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Affiliation(s)
- Subham Preetam
- Department
of Robotics and Mechatronics Engineering, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, South Korea
| | - Deb Duhita Mondal
- Department
of Biotechnology, Heritage Institute of
Technology, Kolkata, West Bengal 700107, India
| | - Nobendu Mukerjee
- Centre
for Global Health Research, Saveetha Medical
College and Hospital, Chennai 602105, India
- Department
of Science and Engineering, Novel Global
Community and Educational Foundation, Hebasham 2770, NSW, Australia
| | | | - Tanveer A. Tabish
- Division
of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 7BN, United Kingdom
| | - Nanasaheb Thorat
- Nuffield
Department of Women’s & Reproductive Health, Medical Science
Division, John Radcliffe Hospital University
of Oxford, Oxford, OX3 9DU, United Kingdom
- Department
of Physics, Bernal Institute and Limerick
Digital Cancer Research Centre (LDCRC), University of Limerick, Castletroy, Limerick V94T9PX, Ireland
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5
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Im SH, Robby AI, Choi H, Chung JY, Kim YS, Park SY, Chung HJ. A Wireless, CRISPR-Polymer Dot Electrochemical Sensor for the Diagnosis of Bacterial Pneumonia and Multi-Drug Resistance. ACS APPLIED MATERIALS & INTERFACES 2024; 16:5637-5647. [PMID: 38278531 DOI: 10.1021/acsami.3c17151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2024]
Abstract
Rapid and accurate diagnosis is crucial for managing the global health threat posed by multidrug-resistant bacterial infections; however, current methods have limitations in either being time-consuming, labor-intensive, or requiring instruments with high costs. Addressing these challenges, we introduce a wireless electrochemical sensor integrating the CRISPR/Cas system with electroconductive polymer dot (PD) nanoparticles to rapidly detect bacterial pathogens from human sputum. To enhance the electroconductive properties, we synthesized copper-ion-immobilized PD (PD-Cu), followed by conjugation of the deactivated Cas9 protein (dCas9) onto PD-Cu-coated Si electrodes to generate the dCas9-PD-Cu sensor. The dCas9-PD-Cu sensor integrated with isothermal amplification can specifically detect target nucleic acids of multidrug-resistant bacteria, such as the antibiotic resistance genes kpc-2 and mecA. The dCas9-PD-Cu sensor exhibits high sensitivity, allowing for the detection of ∼54 femtograms of target nucleic acids, based on measuring the changes in resistivity of the Si electrodes through target capture by dCas9. Furthermore, a wireless sensing platform of the dCas9-PD-Cu sensor was established using a Bluetooth module and a microcontroller unit for detection using a smartphone. We demonstrate the feasibility of the platform in diagnosing multidrug-resistant bacterial pneumonia in patients' sputum samples, achieving 92% accuracy. The current study presents a versatile biosensor platform that can overcome the limitations of conventional diagnostics in the clinic.
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Affiliation(s)
- San Hae Im
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
| | - Akhmad Irhas Robby
- Department of Chemical and Biological Engineering, Korea National University of Transportation, Chungju 380-702, Republic of Korea
| | - Heewon Choi
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
| | - Ju Yeon Chung
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
| | - Yang Soo Kim
- Division of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea
| | - Sung Young Park
- Department of Chemical and Biological Engineering, Korea National University of Transportation, Chungju 380-702, Republic of Korea
- Department of Green Bio Engineering, Korea National University of Transportation, Chungju 380-702, Republic of Korea
- Department of IT and Energy Convergence, Korea National University of Transportation, Chungju 380-702, Republic of Korea
| | - Hyun Jung Chung
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
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6
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Bahl E, Jyoti A, Singh A, Siddqui A, Upadhyay SK, Jain D, Shah MP, Saxena J. Nanomaterials for intelligent CRISPR-Cas tools: improving environment sustainability. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-32101-x. [PMID: 38291210 DOI: 10.1007/s11356-024-32101-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 01/17/2024] [Indexed: 02/01/2024]
Abstract
Clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein (Cas) is a desirable gene modification tool covering a wide area in various sectors of medicine, agriculture, and microbial biotechnology. The role of this incredible genetic engineering technology has been extensively investigated; however, it remains formidable with cargo choices, nonspecific delivery, and insertional mutagenesis. Various nanomaterials including lipid, polymeric, and inorganic are being used to deliver the CRISPR-Cas system. Progress in nanomaterials could potentially address these challenges by accelerating precision targeting, cost-effectiveness, and one-step delivery. In this review, we highlighted the advances in nanotechnology and nanomaterials as smart delivery systems for CRISPR-Cas so as to ameliorate applications for environmental remediation including biomedical research and healthcare, strategies for mitigating antimicrobial resistance, and to be used as nanofertilizers for enhancing crop growth, and reducing the environmental impact of traditional fertilizers. The timely co-evolution of nanotechnology and CRISPR technologies has contributed to smart novel nanostructure hybrids for improving the onerous tasks of environmental remediation and biological sustainability.
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Affiliation(s)
- Ekansh Bahl
- Department of Biotechnology, University Institute of Biotechnology, Chandigarh University, S.A.S Nagar, 140413, Punjab, India
| | - Anupam Jyoti
- Department of Life Science, Parul Institute of Applied Science, Parul University, Vadodara, Gujarat, India
| | - Abhijeet Singh
- Department of Biosciences, Manipal University Jaipur, Rajasthan, 303007, India
| | - Arif Siddqui
- Department of Biology, College of Science, University of Ha'il, P.O. Box 2440, Ha'il, Saudi Arabia
| | - Sudhir K Upadhyay
- Department of Environmental Science, V.B.S. Purvanchal University, Jaunpur, 222003, India
| | - Devendra Jain
- Department of Molecular Biology and Biotechnology, Rajasthan College of Agriculture, Maharana Pratap University of Agriculture and Technology, Udaipur, 313001, India
| | - Maulin P Shah
- Industrial Wastewater Research Lab, Ankleshwar, India
| | - Juhi Saxena
- Department of Biotechnology, University Institute of Biotechnology, Chandigarh University, S.A.S Nagar, 140413, Punjab, India.
- Department of Biotechnology, Parul Institute of Technology, Parul University, Vadodara, Gujarat, India.
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7
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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] [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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Wang C, Yang Y, Tang S, Liu Y, Wei Y, Wan X, Liu Y, Zhang Z, Sunkang Y. Comparison of Structural Features of CRISPR-Cas Systems in Thermophilic Bacteria. Microorganisms 2023; 11:2275. [PMID: 37764119 PMCID: PMC10536717 DOI: 10.3390/microorganisms11092275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/05/2023] [Accepted: 09/08/2023] [Indexed: 09/29/2023] Open
Abstract
The clustered regularly interspaced short palindromic repeat (CRISPR) is an adaptive immune system that defends most archaea and many bacteria from foreign DNA, such as phages, viruses, and plasmids. The link between the CRISPR-Cas system and the optimum growth temperature of thermophilic bacteria remains unclear. To investigate the relationship between the structural characteristics, diversity, and distribution properties of the CRISPR-Cas system and the optimum growth temperature in thermophilic bacteria, genomes of 61 species of thermophilic bacteria with complete genome sequences were downloaded from GenBank in this study. We used CRISPRFinder to extensively study CRISPR structures and CRISPR-associated genes (cas) from thermophilic bacteria. We statistically analyzed the association between the CRISPR-Cas system and the optimum growth temperature of thermophilic bacteria. The results revealed that 59 strains of 61 thermophilic bacteria had at least one CRISPR locus, accounting for 96.72% of the total. Additionally, a total of 362 CRISPR loci, 209 entirely distinct repetitive sequences, 131 cas genes, and 7744 spacer sequences were discovered. The average number of CRISPR loci and the average minimum free energy (MFE) of the RNA secondary structure of repeat sequences were positively correlated with temperature whereas the average length of CRISPR loci and the average number of spacers were negatively correlated. The temperature did not affect the average number of CRISPR loci, the average length of repeats, or the guanine-cytosine (GC) content of repeats. The average number of CRISPR loci, the average length of the repeats, and the GC content of the repeats did not reflect temperature dependence. This study may provide a new basis for the study of the thermophilic bacterial adaptation mechanisms of thermophilic bacteria.
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Affiliation(s)
- Chuan Wang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China; (Y.L.); (X.W.); (Y.L.); (Z.Z.)
| | - Yuze Yang
- Beijing Animal Husbandry Station, Beijing 100070, China; (Y.Y.); (S.T.)
| | - Shaoqing Tang
- Beijing Animal Husbandry Station, Beijing 100070, China; (Y.Y.); (S.T.)
| | - Yuanzi Liu
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China; (Y.L.); (X.W.); (Y.L.); (Z.Z.)
| | - Yaqin Wei
- Key Laboratory of Microbial Resources Exploitation and Application of Gansu Province, Center for Anaerobic Microbes, Institute of Biology, Gansu Academy of Sciences, Lanzhou 730000, China;
| | - Xuerui Wan
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China; (Y.L.); (X.W.); (Y.L.); (Z.Z.)
| | - Yajuan Liu
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China; (Y.L.); (X.W.); (Y.L.); (Z.Z.)
| | - Zhao Zhang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China; (Y.L.); (X.W.); (Y.L.); (Z.Z.)
| | - Yongjie Sunkang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China; (Y.L.); (X.W.); (Y.L.); (Z.Z.)
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9
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Kayode AJ, Okoh AI. Antimicrobial-Resistant Listeria monocytogenes in Ready-to-Eat Foods: Implications for Food Safety and Risk Assessment. Foods 2023; 12:foods12061346. [PMID: 36981271 PMCID: PMC10048454 DOI: 10.3390/foods12061346] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/16/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023] Open
Abstract
Antimicrobial resistance is an existential threat to the health sector, with far-reaching consequences in managing microbial infections. In this study, one hundred and ninety-four Listeria monocytogenes isolates were profiled for susceptibility using disc diffusion techniques. Possible foodborne listeriosis risk associated with ready-to-eat (RTE) foods (RTEF) and the risk of empirical treatment (EMPT) of L. monocytogenes infections, using multiple antimicrobial resistance indices (MARI) and antimicrobial resistance indices (ARI), respectively, were investigated. Twelve European Committee on Antimicrobial Susceptibility Testing (EUCAST) prescribed/recommended antimicrobials (EPAS) for the treatment of listeriosis and ten non-prescribed antimicrobials (non-PAS)] were evaluated. Antimicrobial resistance > 50% against PAs including sulfamethoxazole (61.86%), trimethoprim (56.19%), amoxicillin (42.27%), penicillin (41.24%), and erythromycin (40.21%) was observed. Resistance > 50% against non-PAS, including oxytetracycline (60.89%), cefotetan (59.28%), ceftriaxone (53.09%), and streptomycin (40.21%) was also observed. About 55.67% and 65.46% of the isolates had MARI scores ranging from 0.25-0.92 and 0.30-0.70 for EPAs and non-PAs, respectively. There was a significant difference (p < 0.01) between the MARI scores of the isolates for EPAs and non-PAs (means of 0.27 ± 0.21 and 0.31 ± 0.14, respectively). MARI/ARI scores above the Krumperman permissible threshold (>0.2) suggested a high risk/level of antimicrobial-resistant L. monocytogenes. The MARI risks of the non-success of empirical treatment (EMPT) attributed to EPAs and non-PAs were generally high (55.67% and 65.463%, respectively) due to the antimicrobial resistance of the isolates. MARI-based estimated success and non-success of EMPT if EUCAST-prescribed antimicrobials were administered for the treatment of listeriosis were 44.329% and 55.67%, respectively. The EMPT if non-prescribed antimicrobials were administered for the treatment of listeriosis was 34.53% and 65.46%, respectively. This indicates a potentially high risk with PAs and non-PAs for the treatment of L. monocytogenes infection. Furthermore, ARI scores ≤ 0.2 for EPAs were observed in polony, potato chips, muffins, and assorted sandwiches, whereas ARI scores for non-PAs were >0.2 across all the RTE food types. The ARI-based estimate identified potential risks associated with some RTE foods, including fried fish, red Vienna sausage, Russian sausage, fruit salad, bread, meat pies, fried chicken, cupcakes, and vetkoek. This investigation identified a high risk of EMPT due to the presence of antimicrobial-resistant L. monocytogenes in RTE foods, which could result in severe health consequences.
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Affiliation(s)
- Adeoye John Kayode
- Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa
- SAMRC Microbial Water Quality Monitoring Center, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa
| | - Anthony Ifeanyi Okoh
- Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa
- SAMRC Microbial Water Quality Monitoring Center, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa
- Department of Environmental Health Sciences, College of Medical and Health Sciences, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates
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Bhattacharjee R, Negi A, Bhattacharya B, Dey T, Mitra P, Preetam S, Kumar L, Kar S, Das SS, Iqbal D, Kamal M, Alghofaili F, Malik S, Dey A, Jha SK, Ojha S, Paiva-Santos AC, Kesari KK, Jha NK. Nanotheranostics to Target Antibiotic-resistant Bacteria: Strategies and Applications. OPENNANO 2023. [DOI: 10.1016/j.onano.2023.100138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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11
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Emerging trends in the nanomedicine applications of functionalized magnetic nanoparticles as novel therapies for acute and chronic diseases. J Nanobiotechnology 2022; 20:393. [PMID: 36045375 PMCID: PMC9428876 DOI: 10.1186/s12951-022-01595-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 08/13/2022] [Indexed: 11/10/2022] Open
Abstract
High-quality point-of-care is critical for timely decision of disease diagnosis and healthcare management. In this regard, biosensors have revolutionized the field of rapid testing and screening, however, are confounded by several technical challenges including material cost, half-life, stability, site-specific targeting, analytes specificity, and detection sensitivity that affect the overall diagnostic potential and therapeutic profile. Despite their advances in point-of-care testing, very few classical biosensors have proven effective and commercially viable in situations of healthcare emergency including the recent COVID-19 pandemic. To overcome these challenges functionalized magnetic nanoparticles (MNPs) have emerged as key players in advancing the biomedical and healthcare sector with promising applications during the ongoing healthcare crises. This critical review focus on understanding recent developments in theranostic applications of functionalized magnetic nanoparticles (MNPs). Given the profound global economic and health burden, we discuss the therapeutic impact of functionalized MNPs in acute and chronic diseases like small RNA therapeutics, vascular diseases, neurological disorders, and cancer, as well as for COVID-19 testing. Lastly, we culminate with a futuristic perspective on the scope of this field and provide an insight into the emerging opportunities whose impact is anticipated to disrupt the healthcare industry.
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